Behavioral task
behavioral1
Sample
2024-04-27_b72ff7c7b06903d4def7c7d1119853ef_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_b72ff7c7b06903d4def7c7d1119853ef_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_b72ff7c7b06903d4def7c7d1119853ef_cryptolocker
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Size
51KB
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MD5
b72ff7c7b06903d4def7c7d1119853ef
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SHA1
1b7c7bf6b8c7f4691e532117dcfcc5757440d3d8
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SHA256
5634cddeb62bfae727b1e51383186b740bce04e2d94f79c1c34e6ab509b74d4a
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SHA512
b94bea9c4beb4f6626bb10d11eb8ebfeafa819f7df58012ddf17337f501361fe795a0445a68188b12e19bd74851029c06a33f61d4f084956e9822356c1d0ab01
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO6n:bODOw9acifAoc+vVn
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-27_b72ff7c7b06903d4def7c7d1119853ef_cryptolocker
Files
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2024-04-27_b72ff7c7b06903d4def7c7d1119853ef_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE