Behavioral task
behavioral1
Sample
2024-01-25_8a4b8b84d69bb91d3bbe771b9da6d092_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_8a4b8b84d69bb91d3bbe771b9da6d092_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_8a4b8b84d69bb91d3bbe771b9da6d092_cryptolocker
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Size
64KB
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MD5
8a4b8b84d69bb91d3bbe771b9da6d092
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SHA1
acd2f50dceaca1af9be4632f9f540bb1bc15d0db
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SHA256
498a0ba26587e257e8f4644bb6a720aceff0ce74032bd872ecfe4f46d57ba478
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SHA512
8efb97840ce0b2f9b870b71ff9485ea885d71850f233855fc6a977282c81b056c2d1659793ee8aaf1fffe9fdb7a635a151c00aefbecda153445ca7d1ac537cc3
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXC:1nK6a+qdOOtEvwDpjC
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-25_8a4b8b84d69bb91d3bbe771b9da6d092_cryptolocker
Files
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2024-01-25_8a4b8b84d69bb91d3bbe771b9da6d092_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE