Behavioral task
behavioral1
Sample
2024-04-08_3e2439ae86664a8b38a2c8d0960a5301_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_3e2439ae86664a8b38a2c8d0960a5301_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_3e2439ae86664a8b38a2c8d0960a5301_cryptolocker
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Size
64KB
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MD5
3e2439ae86664a8b38a2c8d0960a5301
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SHA1
7fcb6c40cb86b69cb3c78467e31a7b8f2d224bf1
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SHA256
b1ea025d03a9678a3576d612ebae2bc2263512d663d062638ef68b9b620d9f4d
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SHA512
763918a4df12930066d9bb6293faaf61094be4f6750e28b07a7824a0bc9f7422c28658d55569bf1dcc0f6bd1eeba24c4f948149b404a2f5324d2c4cfc5fe0f1b
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7A1/jZ:zj+soPSMOtEvwDpj4kpmeLmQlA1bZ
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 2024-04-08_3e2439ae86664a8b38a2c8d0960a5301_cryptolocker
Files
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2024-04-08_3e2439ae86664a8b38a2c8d0960a5301_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_CODE
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