Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_c703fb262c35904e89e6fbc0f0b4a4dd_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-27_c703fb262c35904e89e6fbc0f0b4a4dd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_c703fb262c35904e89e6fbc0f0b4a4dd_cryptolocker
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Size
40KB
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MD5
c703fb262c35904e89e6fbc0f0b4a4dd
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SHA1
f332315872741471a659125d90283c1ac87bfe7d
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SHA256
b7df36b150189281c06ec07235573235a3f29213c9c104f3283ca82dff64fb33
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SHA512
cb563fc8c29c09d2aa172e203e9e4ec605208a1f37bb9e0e1b486b8b229c2f1cfe567cc3f64f01ba9107f870f733188278cd25aea26b3d1b5d683be807b80b5a
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9RzhwaO4n:i5nkFGMOtEvwDpjR+TZ
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 2024-03-27_c703fb262c35904e89e6fbc0f0b4a4dd_cryptolocker
Files
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2024-03-27_c703fb262c35904e89e6fbc0f0b4a4dd_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