Behavioral task
behavioral1
Sample
2024-05-03_757d3e971c4f3f5b156315b67bedb425_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_757d3e971c4f3f5b156315b67bedb425_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_757d3e971c4f3f5b156315b67bedb425_cryptolocker
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Size
40KB
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MD5
757d3e971c4f3f5b156315b67bedb425
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SHA1
82f7a75d9baa7b7cbfca23107838bcc4e336f033
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SHA256
3a3a53d4a9aa5c64a95f3c4f4ad7c85f277fa2c20f812547764e739b45de979e
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SHA512
c3731ce918bba7b357be62968c02a5488d6f3c0d67aef684f2aaabbbd3b43734a1ec1394c225b226f2ee6c8d3a27a1bb902dc7de015f49038ebb2322910524e1
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHBP:ba74zYcgT/EkdCQgpwXFXSqQXfj0xK5
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 2024-05-03_757d3e971c4f3f5b156315b67bedb425_cryptolocker
Files
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2024-05-03_757d3e971c4f3f5b156315b67bedb425_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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