Static task
static1
Behavioral task
behavioral1
Sample
2024-03-13_71c96bc76d20e2abf4b50f5f9d2c839b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-13_71c96bc76d20e2abf4b50f5f9d2c839b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_71c96bc76d20e2abf4b50f5f9d2c839b_cryptolocker
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Size
50KB
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MD5
71c96bc76d20e2abf4b50f5f9d2c839b
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SHA1
13f6ba9426adad097ca4c2d716e0e934a69ae92c
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SHA256
c175259ed5e47d8cc814edc7bdb16834c867d326df870c3d597af8aa2d73e22a
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SHA512
9c1b9e03f3e3679632f369d6149ecdfb455adf2cd4f6371e9aef98aae85a351c1c9db5c18c8bb24d94136e1b47ae985e12fcd11c76069478f588f35ab4023be8
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIKF:aq7tdgI2MyzNORQtOflIwoHNV2XBFV73
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-13_71c96bc76d20e2abf4b50f5f9d2c839b_cryptolocker
Files
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2024-03-13_71c96bc76d20e2abf4b50f5f9d2c839b_cryptolocker.exe windows:5 windows x86 arch:x86
db206e36db5c9492ce02c61a679129e2
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
BeginPaint
DispatchMessageA
DrawTextA
EndPaint
TranslateMessage
GetMessageA
PostQuitMessage
ShowWindow
UpdateWindow
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
LoadIconA
DestroyWindow
LoadCursorA
GetClientRect
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
DeleteFileA
CloseHandle
CreateFileA
gdi32
DeleteObject
CreateFontIndirectA
Sections
.text Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ