Static task
static1
Behavioral task
behavioral1
Sample
2024-02-20_b1771fd91b44cc136d63a8d9cd4346b2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-20_b1771fd91b44cc136d63a8d9cd4346b2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_b1771fd91b44cc136d63a8d9cd4346b2_cryptolocker
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Size
59KB
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MD5
b1771fd91b44cc136d63a8d9cd4346b2
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SHA1
f076b81d28be9bcabc7a0568841d9a3d254964c4
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SHA256
ab45b21802c92cd561e3dc246e26ca541eeb7adccb3804debb36a186713a87eb
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SHA512
fb8f228fdb064eb165a563c0e8f620f79f203b40621ec784388d59492bf489a6ed9ef790ff9209ea5fc5c516707b8ffca3d8c7259e4bd0a01bf38d46c8dfa00c
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SSDEEP
1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHTdj:btng54SMLr+/AO/kIhfoKMHdU
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 2024-02-20_b1771fd91b44cc136d63a8d9cd4346b2_cryptolocker
Files
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2024-02-20_b1771fd91b44cc136d63a8d9cd4346b2_cryptolocker.exe windows:5 windows x86 arch:x86
a2bfa209044e11b72a41f731968fdff2
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
PostQuitMessage
ShowWindow
UpdateWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
LoadCursorA
SetWindowPos
GetWindowRect
GetMessageA
DialogBoxParamA
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ