Behavioral task
behavioral1
Sample
2024-05-10_15b3695a171750885495a80f0f9c8738_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-10_15b3695a171750885495a80f0f9c8738_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-10_15b3695a171750885495a80f0f9c8738_cryptolocker
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Size
56KB
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MD5
15b3695a171750885495a80f0f9c8738
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SHA1
20e3200d90622459e897ec420d31b76281554911
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SHA256
ec6164d8e795ee799e49d7b80c093eb429db638c51b05bdecb4f7826028fffbb
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SHA512
cf03c0dcbbb5c35975f2583b5f7a1050e640f6b4249d0069ebee96f70efeafedce036d19893b687e889436fd602257cc32f33b469d6be17bc32d7b2de4b86f38
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlbQI:bP9g/xtCS3Dxx0AQI
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 2024-05-10_15b3695a171750885495a80f0f9c8738_cryptolocker
Files
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2024-05-10_15b3695a171750885495a80f0f9c8738_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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