Static task
static1
Behavioral task
behavioral1
Sample
2024-03-07_dc831d3cf9e8b1cab7c54a7a20352ba9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_dc831d3cf9e8b1cab7c54a7a20352ba9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_dc831d3cf9e8b1cab7c54a7a20352ba9_cryptolocker
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Size
39KB
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MD5
dc831d3cf9e8b1cab7c54a7a20352ba9
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SHA1
923fc14558b170f92d8792e1eead61783a48bcd1
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SHA256
10a17e011f273bd5f9d6b742f2a92860deacebec2c32dc2907052cffddda58e0
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SHA512
c0b001f9ab0761123da56df5f907e8b613e0acc7360a7f5d6579566b73c2dc9c5fb4f2ddbd2ad439d2f45ad8713daf013320498e119ff576651854ab1deb8298
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9RzhwaO4w:i5nkFGMOtEvwDpjR+T6
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-07_dc831d3cf9e8b1cab7c54a7a20352ba9_cryptolocker
Files
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2024-03-07_dc831d3cf9e8b1cab7c54a7a20352ba9_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE