Static task
static1
Behavioral task
behavioral1
Sample
2024-06-10_a35bda3b3b1c42cece405e4cda8e72c3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-10_a35bda3b3b1c42cece405e4cda8e72c3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-10_a35bda3b3b1c42cece405e4cda8e72c3_cryptolocker
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Size
45KB
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MD5
a35bda3b3b1c42cece405e4cda8e72c3
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SHA1
9d9386d6a7a7e6c52fb6d0ea71b10d71fc017717
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SHA256
6e3ea3f23a070ebcf56dfabec76a01ef788de7126b2dd5eb95e3e7b0176cebee
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SHA512
a6fd09ff93b5d25bef6f8c2bc3583bd2c098818653838ecc6e12efc23efbedc17e5ffda4a0aa7fbac3f05a5c55e45560b1cfb72a46d8de839ade7c2ce8924bcb
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SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3N:bm74zYcgT/EkM0ryfjd3N
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 2024-06-10_a35bda3b3b1c42cece405e4cda8e72c3_cryptolocker
Files
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2024-06-10_a35bda3b3b1c42cece405e4cda8e72c3_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
.htext Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE