Static task
static1
Behavioral task
behavioral1
Sample
2024-05-03_ef9060c4744172a78d61e3323736fbb1_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-03_ef9060c4744172a78d61e3323736fbb1_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_ef9060c4744172a78d61e3323736fbb1_cryptolocker
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Size
41KB
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MD5
ef9060c4744172a78d61e3323736fbb1
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SHA1
2ac502e69d4b76da661ce5e81ffb77a14c865172
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SHA256
1ffb5ece565433dfb44427b369b07a1e96fb0f2a4776391d832281ef29ef1cdf
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SHA512
a0248ff8c12e07d76da6e6ba67b77040fe1eb7f64b053d16c090a70b322c2635e2f8ae07b956592c154bcdcfa84824fad5cac2596054834e8a503add4db0195c
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZ2:i5nkFGMOtEvwDpjR+viHsE
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 2024-05-03_ef9060c4744172a78d61e3323736fbb1_cryptolocker
Files
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2024-05-03_ef9060c4744172a78d61e3323736fbb1_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