Behavioral task
behavioral1
Sample
2024-04-28_4b222f2fe41e567d1b4f113173f99c3f_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-28_4b222f2fe41e567d1b4f113173f99c3f_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_4b222f2fe41e567d1b4f113173f99c3f_cryptolocker
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Size
55KB
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MD5
4b222f2fe41e567d1b4f113173f99c3f
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SHA1
a8012c8ec90fe4cc5a78e9a7786f237e02e83756
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SHA256
100f8117b731c98e73eae0c00307efbe50438c42c24bc2aa4ca0b774df45bc20
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SHA512
395d938ee954907ace4f1a986ab804408b16ba535f9a7a5a93eb9483f3dfa098a019e708d6e48ff54979fb217d025825ca06a0e06fc5c071e9e82c8ff169903e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Sd:bP9g/xtCS3Dxx0JSd
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 2024-04-28_4b222f2fe41e567d1b4f113173f99c3f_cryptolocker
Files
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2024-04-28_4b222f2fe41e567d1b4f113173f99c3f_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