Behavioral task
behavioral1
Sample
2024-05-25_6231128f8f39fedc2935ac7f6c59598e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-25_6231128f8f39fedc2935ac7f6c59598e_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-25_6231128f8f39fedc2935ac7f6c59598e_cryptolocker
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Size
51KB
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MD5
6231128f8f39fedc2935ac7f6c59598e
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SHA1
36b5cc950a7ffb6f6f0ceda6d5727a0983c0c8e4
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SHA256
5bbc91549f046f22d451f3328fa210c4852453ec8465515d84f5cd866d1983a0
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SHA512
519177e1eaa8905300c076ee88c3e53d0462bfc702a69142261b5ab3ffeea64d3ea800b6c46376268d18d2289335b848caaf90c751206c431abb12d28a618578
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXiJ:bODOw9acifAoc+vXiJ
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 2024-05-25_6231128f8f39fedc2935ac7f6c59598e_cryptolocker
Files
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2024-05-25_6231128f8f39fedc2935ac7f6c59598e_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