Behavioral task
behavioral1
Sample
2024-03-26_a42c803bd9f1bcd029ba04984b08ef0e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_a42c803bd9f1bcd029ba04984b08ef0e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-26_a42c803bd9f1bcd029ba04984b08ef0e_cryptolocker
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Size
58KB
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MD5
a42c803bd9f1bcd029ba04984b08ef0e
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SHA1
733b6ac3da34a784c2180f66e50d78bcbc8858c9
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SHA256
18240c637233cd8cc14be6ccbb7475e9b60fceeea7474e54765e9133e50cd009
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SHA512
487329d77847760733fd2a02ca6a5e7f34b58b60d662f374e88779b4d26dd81ce1b1a4021b928bf782a5dcf52dd271691488b3226db12c160377a050a1fda162
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHNI:1nK6a+qdOOtEvwDpjd
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 2024-03-26_a42c803bd9f1bcd029ba04984b08ef0e_cryptolocker
Files
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2024-03-26_a42c803bd9f1bcd029ba04984b08ef0e_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