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Malicious
Classifications

Ransomware

Threat Names

CryptoLocker Mal/HTMLGen-A

Dynamic Analysis Report

Created on 2024-03-29T05:50:03+00:00

asih.exe

Windows Exe (x86-32)
...
Filters:
File Name Category Type Verdict Actions
C:\Users\RDhJ0CNFevzX\Desktop\asih.exe Sample File Binary
Malicious
...
»
MIME Type application/vnd.microsoft.portable-executable
File Size 47.53 KB
MD5 a72290c3104f2ee952a5569326033580 Copy to Clipboard
SHA1 850484454395d8532f25aa70968928865755e253 Copy to Clipboard
SHA256 e03dd9097827ae4c99b9b21778b7df9bfb123c0f5986debc39fa04bd3a3d98ff Copy to Clipboard
SSDeep 768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXe:X6QFElP6n+gJBMOtEvwDpjBtEdXe Copy to Clipboard
ImpHash 7ba3aa8366ce167c7a77ebd6e6fea8e5 Copy to Clipboard
Static Analysis Parser Error malformed string file info
File Reputation Information
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Verdict
Malicious
PE Information
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Image Base 0x00500000
Entry Point 0x00501000
Size Of Code 0x00002E00
Size Of Initialized Data 0x00003E00
File Type IMAGE_FILE_EXECUTABLE_IMAGE
Subsystem IMAGE_SUBSYSTEM_WINDOWS_GUI
Machine Type IMAGE_FILE_MACHINE_I386
Compile Timestamp 2013-10-02 14:59 (UTC+2)
Sections (5)
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Name Virtual Address Virtual Size Raw Data Size Raw Data Offset Flags Entropy
.text 0x00501000 0x00002CAA 0x00002E00 0x00000400 IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ 6.03
.rdata 0x00504000 0x000004B6 0x00000600 0x00003200 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ 4.21
.data 0x00505000 0x00000630 0x00000400 0x00003800 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 3.79
.rsrc 0x00506000 0x00002AC8 0x00002C00 0x00003C00 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ 4.98
.reloc 0x00509000 0x00000218 0x00000400 0x00006800 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ 3.42
Imports (3)
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user32.dll (18)
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API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
PostQuitMessage - 0x0050403C 0x0000425C 0x0000345C 0x000001D5
GetMessageA - 0x00504040 0x00004260 0x00003460 0x00000122
UpdateWindow - 0x00504044 0x00004264 0x00003464 0x0000026A
EndPaint - 0x00504048 0x00004268 0x00003468 0x000000B6
DispatchMessageA - 0x0050404C 0x0000426C 0x0000346C 0x00000093
BeginPaint - 0x00504050 0x00004270 0x00003470 0x0000000B
TranslateMessage - 0x00504054 0x00004274 0x00003474 0x0000025E
MoveWindow - 0x00504058 0x00004278 0x00003478 0x000001BE
CreateWindowExA - 0x0050405C 0x0000427C 0x0000347C 0x00000056
RegisterClassExA - 0x00504060 0x00004280 0x00003480 0x000001E1
DefWindowProcA - 0x00504064 0x00004284 0x00003484 0x00000083
MessageBoxA - 0x00504068 0x00004288 0x00003488 0x000001B1
SendMessageA - 0x0050406C 0x0000428C 0x0000348C 0x000001FD
DestroyWindow - 0x00504070 0x00004290 0x00003490 0x0000008D
LoadCursorA - 0x00504074 0x00004294 0x00003494 0x00000194
LoadIconA - 0x00504078 0x00004298 0x00003498 0x00000198
ShowWindow - 0x0050407C 0x0000429C 0x0000349C 0x00000248
GetWindowRect - 0x00504080 0x000042A0 0x000034A0 0x00000157
kernel32.dll (12)
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API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
GetLastError - 0x00504008 0x00004228 0x00003428 0x00000128
lstrcpyA - 0x0050400C 0x0000422C 0x0000342C 0x00000315
GetModuleHandleA - 0x00504010 0x00004230 0x00003430 0x00000134
GetCommandLineA - 0x00504014 0x00004234 0x00003434 0x000000E6
FindFirstFileA - 0x00504018 0x00004238 0x00003438 0x000000B1
FormatMessageA - 0x0050401C 0x0000423C 0x0000343C 0x000000CC
FindClose - 0x00504020 0x00004240 0x00003440 0x000000AD
FindNextFileA - 0x00504024 0x00004244 0x00003444 0x000000BA
DeleteFileA - 0x00504028 0x00004248 0x00003448 0x00000069
CloseHandle - 0x0050402C 0x0000424C 0x0000344C 0x00000023
GetACP - 0x00504030 0x00004250 0x00003450 0x000000D6
CreateFileA - 0x00504034 0x00004254 0x00003454 0x0000003D
gdi32.dll (1)
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API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
CreateFontIndirectA - 0x00504000 0x00004220 0x00003420 0x0000002F
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 0x00509FFF Relevant Image False 32-bit 0x00502CF0 False
...
buffer 1 0x00440000 0x00445FFF First Execution False 32-bit 0x00440009 False
...
buffer 1 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 1 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 1 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 1 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 1 0x00460000 0x00465FFF First Execution False 32-bit 0x00461020 False
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buffer 1 0x020F0000 0x0224FFFF Image In Buffer False 32-bit - False
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asih.exe 1 0x00500000 0x00509FFF 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
...
C:\Users\RDHJ0C~1\AppData\Local\Temp\asih.exe Dropped File Binary
Malicious
...
»
MIME Type application/vnd.microsoft.portable-executable
File Size 47.61 KB
MD5 2b66e5de309abc1d82d8f88f4f7261dc Copy to Clipboard
SHA1 9bd2cc8c7d6920eead671d4dd06c2ff2b3ff08b1 Copy to Clipboard
SHA256 68988f23aeab59ac0611042f0651b681e5e4f3d3687d76dab86b1b5be7fd204f Copy to Clipboard
SSDeep 768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXo:X6QFElP6n+gJBMOtEvwDpjBtEdXo Copy to Clipboard
ImpHash 7ba3aa8366ce167c7a77ebd6e6fea8e5 Copy to Clipboard
Static Analysis Parser Error malformed string file info
PE Information
»
Image Base 0x00500000
Entry Point 0x00501000
Size Of Code 0x00002E00
Size Of Initialized Data 0x00003E00
File Type IMAGE_FILE_EXECUTABLE_IMAGE
Subsystem IMAGE_SUBSYSTEM_WINDOWS_GUI
Machine Type IMAGE_FILE_MACHINE_I386
Compile Timestamp 2013-10-02 14:59 (UTC+2)
Sections (5)
»
Name Virtual Address Virtual Size Raw Data Size Raw Data Offset Flags Entropy
.text 0x00501000 0x00002CAA 0x00002E00 0x00000400 IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ 6.03
.rdata 0x00504000 0x000004B6 0x00000600 0x00003200 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ 4.21
.data 0x00505000 0x00000630 0x00000400 0x00003800 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE 3.79
.rsrc 0x00506000 0x00002AC8 0x00002C00 0x00003C00 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ 4.98
.reloc 0x00509000 0x00000218 0x00000400 0x00006800 IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ 3.42
Imports (3)
»
user32.dll (18)
»
API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
PostQuitMessage - 0x0050403C 0x0000425C 0x0000345C 0x000001D5
GetMessageA - 0x00504040 0x00004260 0x00003460 0x00000122
UpdateWindow - 0x00504044 0x00004264 0x00003464 0x0000026A
EndPaint - 0x00504048 0x00004268 0x00003468 0x000000B6
DispatchMessageA - 0x0050404C 0x0000426C 0x0000346C 0x00000093
BeginPaint - 0x00504050 0x00004270 0x00003470 0x0000000B
TranslateMessage - 0x00504054 0x00004274 0x00003474 0x0000025E
MoveWindow - 0x00504058 0x00004278 0x00003478 0x000001BE
CreateWindowExA - 0x0050405C 0x0000427C 0x0000347C 0x00000056
RegisterClassExA - 0x00504060 0x00004280 0x00003480 0x000001E1
DefWindowProcA - 0x00504064 0x00004284 0x00003484 0x00000083
MessageBoxA - 0x00504068 0x00004288 0x00003488 0x000001B1
SendMessageA - 0x0050406C 0x0000428C 0x0000348C 0x000001FD
DestroyWindow - 0x00504070 0x00004290 0x00003490 0x0000008D
LoadCursorA - 0x00504074 0x00004294 0x00003494 0x00000194
LoadIconA - 0x00504078 0x00004298 0x00003498 0x00000198
ShowWindow - 0x0050407C 0x0000429C 0x0000349C 0x00000248
GetWindowRect - 0x00504080 0x000042A0 0x000034A0 0x00000157
kernel32.dll (12)
»
API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
GetLastError - 0x00504008 0x00004228 0x00003428 0x00000128
lstrcpyA - 0x0050400C 0x0000422C 0x0000342C 0x00000315
GetModuleHandleA - 0x00504010 0x00004230 0x00003430 0x00000134
GetCommandLineA - 0x00504014 0x00004234 0x00003434 0x000000E6
FindFirstFileA - 0x00504018 0x00004238 0x00003438 0x000000B1
FormatMessageA - 0x0050401C 0x0000423C 0x0000343C 0x000000CC
FindClose - 0x00504020 0x00004240 0x00003440 0x000000AD
FindNextFileA - 0x00504024 0x00004244 0x00003444 0x000000BA
DeleteFileA - 0x00504028 0x00004248 0x00003448 0x00000069
CloseHandle - 0x0050402C 0x0000424C 0x0000344C 0x00000023
GetACP - 0x00504030 0x00004250 0x00003450 0x000000D6
CreateFileA - 0x00504034 0x00004254 0x00003454 0x0000003D
gdi32.dll (1)
»
API Name Ordinal IAT Address Thunk RVA Thunk Offset Hint
CreateFontIndirectA - 0x00504000 0x00004220 0x00003420 0x0000002F
Memory Dumps (15)
»
Name Process ID Start VA End VA Dump Reason PE Rebuild Bitness Entry Point YARA Actions
asih.exe 2 0x00500000 0x00509FFF Relevant Image False 32-bit 0x00502CF0 False
...
buffer 2 0x00440000 0x00445FFF First Execution False 32-bit 0x00440009 False
...
buffer 2 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 2 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 2 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 2 0x00460000 0x00465FFF Marked Executable False 32-bit - False
...
buffer 2 0x00460000 0x00465FFF First Execution False 32-bit 0x00461020 False
...
buffer 2 0x0019A000 0x0019FFFF First Network Behavior False 32-bit - False
...
buffer 2 0x001F0000 0x001F5FFF First Network Behavior False 32-bit - False
...
buffer 2 0x00440000 0x00445FFF First Network Behavior False 32-bit - False
...
buffer 2 0x00460000 0x00465FFF First Network Behavior False 32-bit 0x004612B8 False
...
buffer 2 0x01FB0048 0x01FBBF19 First Network Behavior False 32-bit - False
...
buffer 2 0x02120000 0x022CFFFF First Network Behavior False 32-bit - False
...
asih.exe 2 0x00500000 0x00509FFF First Network Behavior False 32-bit - False
...
counters.dat 2 0x005D0000 0x005D0FFF 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
...
c:\users\rdhj0cnfevzx\appdata\local\microsoft\windows\inetcache\counters.dat Modified File Stream
Clean
...
»
MIME Type application/octet-stream
File Size 128 Bytes
MD5 cc90851958032b8c8bbb7b24ec6271dd Copy to Clipboard
SHA1 e027ad2ea4049374a3b01af2e3626b667dc816bc Copy to Clipboard
SHA256 c2d814a34b184b7cdf10e4e7a4311ff15db99326d6dd8d328b53bf9e19ccf858 Copy to Clipboard
SSDeep 3:Fl: Copy to Clipboard
ImpHash -
VMRay - Analyzer - www.vmray.com
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