Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_619ac72416b0bff3f6238a3a4e722ce9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_619ac72416b0bff3f6238a3a4e722ce9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-27_619ac72416b0bff3f6238a3a4e722ce9_cryptolocker
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Size
40KB
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MD5
619ac72416b0bff3f6238a3a4e722ce9
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SHA1
1a430f6b7d374ea7eec03f7ec4188f949ba3a7d7
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SHA256
dd4372088da6673cfd735c55fffdacd944e4089e2fe9501ef494dde417a0ecd6
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SHA512
27d1212a2ef5106eb660e7c6012a1d7a4246ebf0e5237a64b4d89550a2970665150ffdc738623bed19ee8236a33982f149bdb01f8fe3f925c285549a38bfe42c
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIN:bCDOw9aMDooc+vAo
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-27_619ac72416b0bff3f6238a3a4e722ce9_cryptolocker
Files
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2024-03-27_619ac72416b0bff3f6238a3a4e722ce9_cryptolocker.exe windows:5 windows x86 arch:x86
0bcae7989ef60f5550a7f5735f53a2aa
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
EndPaint
GetMessageA
DispatchMessageA
ShowWindow
UpdateWindow
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
PostQuitMessage
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 506B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE