Behavioral task
behavioral1
Sample
2024-02-13_a825335a4993840ed27994a3d8c8064a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_a825335a4993840ed27994a3d8c8064a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_a825335a4993840ed27994a3d8c8064a_cryptolocker
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Size
55KB
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MD5
a825335a4993840ed27994a3d8c8064a
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SHA1
8c196a412bf68fbf3b812a9e42c9de4c5e174dcd
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SHA256
3c9f442e5ab21654ab370dfc981bebccfce53d06d18a55f440176e12dcb04f6c
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SHA512
525d8e79ca3ebc6dfbf4540b9d3ddb6c06b11d21a372a34169e32765656aec0c192a5b6c9da8779baaa5b721a280f138bb1decc4e0994c324d028c4ea15d6a70
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcj:z6QFElP6n+gKmddpMOtEvwDpj9aYaq
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-02-13_a825335a4993840ed27994a3d8c8064a_cryptolocker
Files
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2024-02-13_a825335a4993840ed27994a3d8c8064a_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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