Behavioral task
behavioral1
Sample
2024-05-10_b90707b4ac1733e07d163a54b971853e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-10_b90707b4ac1733e07d163a54b971853e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-10_b90707b4ac1733e07d163a54b971853e_cryptolocker
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Size
56KB
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MD5
b90707b4ac1733e07d163a54b971853e
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SHA1
c46804bb8320529e44a65e29de73acf82a954e83
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SHA256
56b1dc4d41851ca67afdc1a0de1ce8ee7b257802eea81b203afccf6c261c1991
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SHA512
d273b099e64b9cacb3f125529902ade9faea74ad502fe79e6444072751cb5b8c3ad2d516b530b227a02feee485c989f6cb749beb687dcf7f9156acfe588b4402
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlY1:bP9g/xtCS3Dxx0L1
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_b90707b4ac1733e07d163a54b971853e_cryptolocker
Files
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2024-05-10_b90707b4ac1733e07d163a54b971853e_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