Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_91c8c21aa4313acbcd108c543c489be2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_91c8c21aa4313acbcd108c543c489be2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_91c8c21aa4313acbcd108c543c489be2_cryptolocker
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Size
41KB
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MD5
91c8c21aa4313acbcd108c543c489be2
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SHA1
40d608f145f0321258923cf2f01c8d5c0f0dde07
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SHA256
e369a85c0c8a6244c97401f5f79778e63da95270d96022fbe8b9f1b3155fdd06
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SHA512
94d4c093e1ee5f11a29466f658f9c338cb583fcb00bed69ed731524280c021ef33b9c25653ace45fd6aa75f74f9d80f6c0172c09a8006161041e3c5b0cbf0d3d
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRBS9:m5nkFNMOtEvwDpjG8hhXbW
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 2024-03-19_91c8c21aa4313acbcd108c543c489be2_cryptolocker
Files
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2024-03-19_91c8c21aa4313acbcd108c543c489be2_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE