Behavioral task
behavioral1
Sample
2024-05-28_81eec2c9686c9b43742f9a404dd27c48_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-28_81eec2c9686c9b43742f9a404dd27c48_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-28_81eec2c9686c9b43742f9a404dd27c48_cryptolocker
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Size
56KB
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MD5
81eec2c9686c9b43742f9a404dd27c48
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SHA1
ee5a748d034cff66ef5ebe3519f0b9666ee1cf80
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SHA256
ad4e9da2c76007054c92bec60c39011bf749b563296657790424ac1604308c4e
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SHA512
b26bb3568762193293ed6350cc1602e51ae754cd25c4867393b9e60fa0c92ede9484ec35855e4ed75495c9072634818447429876b30666e09cb645c041863ae1
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlY:bP9g/xtCS3Dxx0T
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 2024-05-28_81eec2c9686c9b43742f9a404dd27c48_cryptolocker
Files
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2024-05-28_81eec2c9686c9b43742f9a404dd27c48_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