Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_91fc96cc744c6f7dd191bca1ca5e1b6d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_91fc96cc744c6f7dd191bca1ca5e1b6d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_91fc96cc744c6f7dd191bca1ca5e1b6d_cryptolocker
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Size
100KB
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MD5
91fc96cc744c6f7dd191bca1ca5e1b6d
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SHA1
480ff37316fd3aeded786e8941b4b903561c4e1a
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SHA256
31c0186f4a4cbbb5ff199fe16ac0b011525b6b42eb4c35b1e4c807ab5129fe80
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SHA512
58deec3ba7ee7f4d2f3c73c7ca9ccb04d37125fba098c3a42b575315d77d75275a12f2be9f8db56350ab628a2a6f03c59a3fb0e73c1346989b78aaf033177794
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjz/66pI:i5nkFGMOtEvwDpjNbwQEIikrC
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 2024-03-14_91fc96cc744c6f7dd191bca1ca5e1b6d_cryptolocker
Files
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2024-03-14_91fc96cc744c6f7dd191bca1ca5e1b6d_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