Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_f4aa7bafc0e4b8937416a6c0e9ba865b_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-11_f4aa7bafc0e4b8937416a6c0e9ba865b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_f4aa7bafc0e4b8937416a6c0e9ba865b_cryptolocker
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Size
50KB
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MD5
f4aa7bafc0e4b8937416a6c0e9ba865b
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SHA1
7d8a5b28a22aed4e866c70c5298db3d1f7ab6193
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SHA256
37a4eec86ee22a7807f9851989995b5601c9f391d7558e282e73766d51dd649f
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SHA512
5f7fd8ba48818f145d10d9bac1416e765430b82c1e7e5c5af010bd22ef33961026db6b3f75f1af23703bbba3f724a404761130f4de342b5ae9c72cd9585bf222
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIKX:aq7tdgI2MyzNORQtOflIwoHNV2XBFV71
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 2024-03-11_f4aa7bafc0e4b8937416a6c0e9ba865b_cryptolocker
Files
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2024-03-11_f4aa7bafc0e4b8937416a6c0e9ba865b_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