Static task
static1
Behavioral task
behavioral1
Sample
2024-03-07_90963e9bf37cfe3581736b6f0c32e31f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_90963e9bf37cfe3581736b6f0c32e31f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_90963e9bf37cfe3581736b6f0c32e31f_cryptolocker
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Size
100KB
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MD5
90963e9bf37cfe3581736b6f0c32e31f
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SHA1
36c84dce36f51795d8dd547fe2fbfcedfea2c18e
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SHA256
9378603ae5af9b251c118dcdd9ac8804ad9dd28f3ec111f70def76a7f05a4fb1
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SHA512
7c4d0ca0cf19051210560de5822025dd67c5320642f11da9c2d03858e8b5d1b229d881740720e2415e7ed02863eec4664046f9f49f388b30752ce6a02812ecb6
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNbkV9:i5nkFGMOtEvwDpjNbwQEIikgN2
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_90963e9bf37cfe3581736b6f0c32e31f_cryptolocker
Files
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2024-03-07_90963e9bf37cfe3581736b6f0c32e31f_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