Behavioral task
behavioral1
Sample
2024-04-23_91001678760cfe9a68cc5d60046e2c49_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_91001678760cfe9a68cc5d60046e2c49_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_91001678760cfe9a68cc5d60046e2c49_cryptolocker
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Size
40KB
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MD5
91001678760cfe9a68cc5d60046e2c49
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SHA1
ed7836c6e03787a81a00c4defb03203e10cad37d
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SHA256
76410f65e97e2750d3b5b08c4fea255acdd274375e40f0292abdcf9c231ff929
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SHA512
565422675c33ea1383fc48c04ee15f7cc913567761a7316331207fbb9039a13a6881093681cb86c2f0db0fbc896fea7f7660d929c1f2af63c96b5c3d33d69382
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHetHLk:ba74zYcgT/EkdCQgpwXFXSqQXfj0xK0o
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 2024-04-23_91001678760cfe9a68cc5d60046e2c49_cryptolocker
Files
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2024-04-23_91001678760cfe9a68cc5d60046e2c49_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