Static task
static1
Behavioral task
behavioral1
Sample
2024-04-23_4af21bc2be16c8453ac6906415cb11bc_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_4af21bc2be16c8453ac6906415cb11bc_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_4af21bc2be16c8453ac6906415cb11bc_cryptolocker
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Size
40KB
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MD5
4af21bc2be16c8453ac6906415cb11bc
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SHA1
7d0b04e24e12a88ae8bfd4cf737a85dd17552e33
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SHA256
602979178180b6b4b0ef67c6fcf55caf058e8ffe3a7b388f1bd021034b648d17
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SHA512
4d5e43ba6ae56644a72823b6d1e4aae63433bcebed14e71f40f38bdb082e329ec8d62dae76000cbaba162f021b32581247b730a70aee7b2c73cdaf08ef89a533
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZ7:i5nkFGMOtEvwDpjR+viHsV
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 2024-04-23_4af21bc2be16c8453ac6906415cb11bc_cryptolocker
Files
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2024-04-23_4af21bc2be16c8453ac6906415cb11bc_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