Behavioral task
behavioral1
Sample
2024-05-30_ec83c836f4e4519e76eb0da1e44c502b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-30_ec83c836f4e4519e76eb0da1e44c502b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-30_ec83c836f4e4519e76eb0da1e44c502b_cryptolocker
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Size
56KB
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MD5
ec83c836f4e4519e76eb0da1e44c502b
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SHA1
2d4cfb9002a7084c9eada9d46c28190f3e0793d1
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SHA256
fe61d3044d6cb74e286369e571b9a614b220d1a6ec29d49ec71eae75b656dab3
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SHA512
6ed3316d2a4e1b680a48c1aaed0dc950dc4bcd13da67f6dc16fa802a665273285a08fb590bff359378a6e701963baf13f6225a83bc689dbf843cd997e75aaee1
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlYl:bP9g/xtCS3Dxx0Ll
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 2024-05-30_ec83c836f4e4519e76eb0da1e44c502b_cryptolocker
Files
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2024-05-30_ec83c836f4e4519e76eb0da1e44c502b_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