Behavioral task
behavioral1
Sample
2024-04-11_983a681aa43812a3f01368e23fb1b14a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_983a681aa43812a3f01368e23fb1b14a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_983a681aa43812a3f01368e23fb1b14a_cryptolocker
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Size
54KB
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MD5
983a681aa43812a3f01368e23fb1b14a
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SHA1
600db9ca3861f1d3a4542f538b257bc51e4cb4eb
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SHA256
050961a2d986818dc229a529f245181f7b8baff053633782c76c80ca009eeb2b
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SHA512
573b75475a0e7978e2512e94e5bd7bc75b948635f7c7e955a90290e1bd4251007b5b172c8ebac3199d6421daf2ab26bbd47c13e061e81f844f9911d2c913b522
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgC2:bP9g/xtCS3Dxx0Q2
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 2024-04-11_983a681aa43812a3f01368e23fb1b14a_cryptolocker
Files
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2024-04-11_983a681aa43812a3f01368e23fb1b14a_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