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Malicious
Classifications

Ransomware

Threat Names

CryptoLocker Mal/Generic-S

Dynamic Analysis Report

Created on 2024-03-29T05:49:55+00:00

asih.exe

Windows Exe (x86-32)
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Filters:
File Name Category Type Verdict Actions
C:\Users\OqXZRaykm\Desktop\asih.exe Sample File Binary
Malicious
...
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MIME Type application/vnd.microsoft.portable-executable
File Size 50.22 KB
MD5 00e91fb785524907ad123537290364fb Copy to Clipboard
SHA1 0691ee2aff1f1d949d6313e6f9359dd23ded08bb Copy to Clipboard
SHA256 d9cd8e29f72b72c8754469641d68a179a424a1e04d99228f5d0c3897c4937b17 Copy to Clipboard
SSDeep 768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OT/:z6QFElP6n+gKmddpMOtEvwDpj31r Copy to Clipboard
ImpHash bd2f03255beebcd07c02192dbb770be8 Copy to Clipboard
Static Analysis Parser Error malformed string file info
File Reputation Information
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Verdict
Malicious
Names Mal/Generic-S
PE Information
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Image Base 0x00500000
Entry Point 0x00501000
Size Of Code 0x00003000
Size Of Initialized Data 0x00003000
Size Of Uninitialized Data 0x00008000
File Type IMAGE_FILE_EXECUTABLE_IMAGE
Subsystem IMAGE_SUBSYSTEM_WINDOWS_GUI
Machine Type IMAGE_FILE_MACHINE_I386
Compile Timestamp 2013-10-02 12:59 (UTC)
Sections (4)
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Name Virtual Address Virtual Size Raw Data Size Raw Data Offset Flags Entropy
UPX0 0x00501000 0x00008000 0x00005200 0x00000400 IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 4.22
UPX1 0x00509000 0x00003000 0x00002800 0x00005600 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 5.02
.rsrc 0x0050C000 0x00003000 0x00002C00 0x00007E00 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 5.07
.imports 0x0050F000 0x00001000 0x00000400 0x0000AA00 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 2.97
Imports (3)
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gdi32.dll (1)
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API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
CreateFontIndirectA - 0x00504000 0x00004000 0x00003400 0x00000000
KERNEL32.DLL (12)
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API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
GetLastError - 0x00504008 0x00004008 0x00003408 0x00000000
lstrcpyA - 0x0050400C 0x0000400C 0x0000340C 0x00000000
GetModuleHandleA - 0x00504010 0x00004010 0x00003410 0x00000000
GetCommandLineA - 0x00504014 0x00004014 0x00003414 0x00000000
FindFirstFileA - 0x00504018 0x00004018 0x00003418 0x00000000
FormatMessageA - 0x0050401C 0x0000401C 0x0000341C 0x00000000
FindClose - 0x00504020 0x00004020 0x00003420 0x00000000
FindNextFileA - 0x00504024 0x00004024 0x00003424 0x00000000
DeleteFileA - 0x00504028 0x00004028 0x00003428 0x00000000
CloseHandle - 0x0050402C 0x0000402C 0x0000342C 0x00000000
GetACP - 0x00504030 0x00004030 0x00003430 0x00000000
CreateFileA - 0x00504034 0x00004034 0x00003434 0x00000000
user32.dll (18)
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API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
PostQuitMessage - 0x0050403C 0x0000403C 0x0000343C 0x00000000
GetMessageA - 0x00504040 0x00004040 0x00003440 0x00000000
UpdateWindow - 0x00504044 0x00004044 0x00003444 0x00000000
EndPaint - 0x00504048 0x00004048 0x00003448 0x00000000
DispatchMessageA - 0x0050404C 0x0000404C 0x0000344C 0x00000000
BeginPaint - 0x00504050 0x00004050 0x00003450 0x00000000
TranslateMessage - 0x00504054 0x00004054 0x00003454 0x00000000
MoveWindow - 0x00504058 0x00004058 0x00003458 0x00000000
CreateWindowExA - 0x0050405C 0x0000405C 0x0000345C 0x00000000
RegisterClassExA - 0x00504060 0x00004060 0x00003460 0x00000000
DefWindowProcA - 0x00504064 0x00004064 0x00003464 0x00000000
MessageBoxA - 0x00504068 0x00004068 0x00003468 0x00000000
SendMessageA - 0x0050406C 0x0000406C 0x0000346C 0x00000000
DestroyWindow - 0x00504070 0x00004070 0x00003470 0x00000000
LoadCursorA - 0x00504074 0x00004074 0x00003474 0x00000000
LoadIconA - 0x00504078 0x00004078 0x00003478 0x00000000
ShowWindow - 0x0050407C 0x0000407C 0x0000347C 0x00000000
GetWindowRect - 0x00504080 0x00004080 0x00003480 0x00000000
Memory Dumps (9)
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Name Process ID Start VA End VA Dump Reason PE Rebuild Bitness Entry Point YARA Actions
asih.exe 1 0x00500000 0x0050FFFF First Execution False 32-bit 0x00501000 False
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buffer 1 0x00560000 0x00565FFF First Execution False 32-bit 0x00560009 False
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buffer 1 0x00580000 0x00585FFF Marked Executable False 32-bit - False
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buffer 1 0x00580000 0x00585FFF Marked Executable False 32-bit - False
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buffer 1 0x00580000 0x00585FFF Marked Executable False 32-bit - False
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buffer 1 0x00580000 0x00585FFF Marked Executable False 32-bit - False
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buffer 1 0x00580000 0x00585FFF First Execution False 32-bit 0x00581020 False
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buffer 1 0x02160048 0x0216C97B Image In Buffer False 32-bit - False
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asih.exe 1 0x00500000 0x0050FFFF Process Termination False 32-bit - False
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YARA Matches (2)
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Rule Name Rule Description Classification Score Actions
CryptoLocker_rule2 CryptoLocker ransomware Ransomware
5/5
...
CryptoLocker_set1 CryptoLocker ransomware Ransomware
5/5
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C:\Users\OQXZRA~1\AppData\Local\Temp\asih.exe Dropped File Binary
Malicious
...
»
MIME Type application/vnd.microsoft.portable-executable
File Size 50.30 KB
MD5 a9f5c00d04a95ec854b5c6cb0d62c117 Copy to Clipboard
SHA1 263eb48fa7781404731f4edfb44153a1544aad74 Copy to Clipboard
SHA256 8d8cd2b7378b09f4887ffb43f84fa8b61ff62198b7a2e6a4bf59aa66a6cee8a6 Copy to Clipboard
SSDeep 768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OT7:z6QFElP6n+gKmddpMOtEvwDpj31P Copy to Clipboard
ImpHash bd2f03255beebcd07c02192dbb770be8 Copy to Clipboard
Static Analysis Parser Error malformed string file info
PE Information
»
Image Base 0x00500000
Entry Point 0x00501000
Size Of Code 0x00003000
Size Of Initialized Data 0x00003000
Size Of Uninitialized Data 0x00008000
File Type IMAGE_FILE_EXECUTABLE_IMAGE
Subsystem IMAGE_SUBSYSTEM_WINDOWS_GUI
Machine Type IMAGE_FILE_MACHINE_I386
Compile Timestamp 2013-10-02 12:59 (UTC)
Sections (4)
»
Name Virtual Address Virtual Size Raw Data Size Raw Data Offset Flags Entropy
UPX0 0x00501000 0x00008000 0x00005200 0x00000400 IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 4.22
UPX1 0x00509000 0x00003000 0x00002800 0x00005600 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 5.02
.rsrc 0x0050C000 0x00003000 0x00002C00 0x00007E00 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 5.07
.imports 0x0050F000 0x00001000 0x00000400 0x0000AA00 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 2.97
Imports (3)
»
gdi32.dll (1)
»
API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
CreateFontIndirectA - 0x00504000 0x00004000 0x00003400 0x00000000
KERNEL32.DLL (12)
»
API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
GetLastError - 0x00504008 0x00004008 0x00003408 0x00000000
lstrcpyA - 0x0050400C 0x0000400C 0x0000340C 0x00000000
GetModuleHandleA - 0x00504010 0x00004010 0x00003410 0x00000000
GetCommandLineA - 0x00504014 0x00004014 0x00003414 0x00000000
FindFirstFileA - 0x00504018 0x00004018 0x00003418 0x00000000
FormatMessageA - 0x0050401C 0x0000401C 0x0000341C 0x00000000
FindClose - 0x00504020 0x00004020 0x00003420 0x00000000
FindNextFileA - 0x00504024 0x00004024 0x00003424 0x00000000
DeleteFileA - 0x00504028 0x00004028 0x00003428 0x00000000
CloseHandle - 0x0050402C 0x0000402C 0x0000342C 0x00000000
GetACP - 0x00504030 0x00004030 0x00003430 0x00000000
CreateFileA - 0x00504034 0x00004034 0x00003434 0x00000000
user32.dll (18)
»
API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
PostQuitMessage - 0x0050403C 0x0000403C 0x0000343C 0x00000000
GetMessageA - 0x00504040 0x00004040 0x00003440 0x00000000
UpdateWindow - 0x00504044 0x00004044 0x00003444 0x00000000
EndPaint - 0x00504048 0x00004048 0x00003448 0x00000000
DispatchMessageA - 0x0050404C 0x0000404C 0x0000344C 0x00000000
BeginPaint - 0x00504050 0x00004050 0x00003450 0x00000000
TranslateMessage - 0x00504054 0x00004054 0x00003454 0x00000000
MoveWindow - 0x00504058 0x00004058 0x00003458 0x00000000
CreateWindowExA - 0x0050405C 0x0000405C 0x0000345C 0x00000000
RegisterClassExA - 0x00504060 0x00004060 0x00003460 0x00000000
DefWindowProcA - 0x00504064 0x00004064 0x00003464 0x00000000
MessageBoxA - 0x00504068 0x00004068 0x00003468 0x00000000
SendMessageA - 0x0050406C 0x0000406C 0x0000346C 0x00000000
DestroyWindow - 0x00504070 0x00004070 0x00003470 0x00000000
LoadCursorA - 0x00504074 0x00004074 0x00003474 0x00000000
LoadIconA - 0x00504078 0x00004078 0x00003478 0x00000000
ShowWindow - 0x0050407C 0x0000407C 0x0000347C 0x00000000
GetWindowRect - 0x00504080 0x00004080 0x00003480 0x00000000
Memory Dumps (14)
»
Name Process ID Start VA End VA Dump Reason PE Rebuild Bitness Entry Point YARA Actions
asih.exe 4 0x00500000 0x0050FFFF First Execution False 32-bit 0x00501000 False
...
buffer 4 0x005E0000 0x005E5FFF First Execution False 32-bit 0x005E0009 False
...
buffer 4 0x00610000 0x00615FFF Marked Executable False 32-bit - False
...
buffer 4 0x00610000 0x00615FFF Marked Executable False 32-bit - False
...
buffer 4 0x00610000 0x00615FFF Marked Executable False 32-bit - False
...
buffer 4 0x00610000 0x00615FFF Marked Executable False 32-bit - False
...
buffer 4 0x00610000 0x00615FFF First Execution False 32-bit 0x00611020 False
...
buffer 4 0x0019C000 0x0019FFFF First Network Behavior False 32-bit - False
...
buffer 4 0x005D0000 0x005D5FFF First Network Behavior False 32-bit - False
...
buffer 4 0x005E0000 0x005E5FFF First Network Behavior False 32-bit - False
...
buffer 4 0x00610000 0x00615FFF First Network Behavior False 32-bit 0x006112B8 False
...
buffer 4 0x01FE0048 0x01FEC9D9 First Network Behavior False 32-bit - False
...
buffer 4 0x02180000 0x0237FFFF First Network Behavior False 32-bit - False
...
asih.exe 4 0x00500000 0x0050FFFF First Network Behavior False 32-bit - False
...
YARA Matches (2)
»
Rule Name Rule Description Classification Score Actions
CryptoLocker_rule2 CryptoLocker ransomware Ransomware
5/5
...
CryptoLocker_set1 CryptoLocker ransomware Ransomware
5/5
...
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      The offline version is supported only in Mozilla Firefoxwith deactivated setting \"security.fileuri.strict_origin_policy\".
     

     

    

   

   

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       This feature requires an online-connection to the VMRay backend.
      
      

      

      An offline version with limited functionality is also provided.
      

      The offline version is supported only in Mozilla Firefoxwith deactivated setting \"security.fileuri.strict_origin_policy\".
     

     

    

   

   

    

     
      

       
       
       
       
      

     
     
     
    

   

  

  

   

    

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