Static task
static1
Behavioral task
behavioral1
Sample
2024-02-01_3f8b894aebf5e44fcb10e3656228833a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_3f8b894aebf5e44fcb10e3656228833a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-01_3f8b894aebf5e44fcb10e3656228833a_cryptolocker
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Size
48KB
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MD5
3f8b894aebf5e44fcb10e3656228833a
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SHA1
05e46560b45d7c38f9ced181680e8325502916fb
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SHA256
62d8862c942be1d32d09f95d83e166aacd81d8d0a88fcbffb0ebdcf8f6486a30
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SHA512
50b8f0b3857993e47d69db5e319e47b23c706e087967e4ba800699c657b1e18d14ebfba5dfbc86413951396d2b734984d0cc12e5e251c61af69a1dd30d6ef0cf
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbP/0Ggr98:i5nkFGMOtEvwDpjNbXdgr98
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 2024-02-01_3f8b894aebf5e44fcb10e3656228833a_cryptolocker
Files
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2024-02-01_3f8b894aebf5e44fcb10e3656228833a_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