Static task
static1
Behavioral task
behavioral1
Sample
2024-04-18_91d5253e5bdad0d06ecae892b0bcb250_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_91d5253e5bdad0d06ecae892b0bcb250_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_91d5253e5bdad0d06ecae892b0bcb250_cryptolocker
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Size
41KB
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MD5
91d5253e5bdad0d06ecae892b0bcb250
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SHA1
c8fb83e91ed1fcb886cd7b566346bf76e6369e17
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SHA256
cabfa78a40f49a3ba0c1497cbad08abe261525bb79c7cac2d75a82935fb0b99b
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SHA512
0f7fbb2b9b841dfe4e98b1fac67b3bdf69aeee4607388b03c25d97aec30903e9776316e75e8be801e983f193cdec580038da7ce242d46a45ce83c53c00fcd15f
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vVcS7:bgGYcA/53GADw8ClrcTcS7
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 2024-04-18_91d5253e5bdad0d06ecae892b0bcb250_cryptolocker
Files
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2024-04-18_91d5253e5bdad0d06ecae892b0bcb250_cryptolocker.exe windows:5 windows x86 arch:x86
021d5e7849e90fdf4c65d3045c109483
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos
kernel32
GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
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: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ