Behavioral task
behavioral1
Sample
2024-04-24_564303aa8b26e1a95534d89049ecd3dd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_564303aa8b26e1a95534d89049ecd3dd_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_564303aa8b26e1a95534d89049ecd3dd_cryptolocker
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Size
55KB
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MD5
564303aa8b26e1a95534d89049ecd3dd
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SHA1
21b1f5e9c2574ce55d7972a82741d7ba4398f758
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SHA256
652ea196f34d0e3bc17481d757209bd699bd6ce9c111764e8ad7f93af615fa44
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SHA512
224622f73298e165ff22373aeb52be0fea5e97c262252766ad641542cf1f4f9a60d2f8dee95301fca32ff60ddd80200f1564e22d96716dc4f2b277805650e6d7
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Sr:bP9g/xtCS3Dxx0JSr
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 2024-04-24_564303aa8b26e1a95534d89049ecd3dd_cryptolocker
Files
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2024-04-24_564303aa8b26e1a95534d89049ecd3dd_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