Behavioral task
behavioral1
Sample
2024-06-09_81b2fd26f6f195975debcd6175b6e961_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-09_81b2fd26f6f195975debcd6175b6e961_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-09_81b2fd26f6f195975debcd6175b6e961_cryptolocker
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Size
43KB
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MD5
81b2fd26f6f195975debcd6175b6e961
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SHA1
62c44d0dcaf56c1ef480f5fea9379cb8018d67f1
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SHA256
0b29282b93739e5b4320fde2648431462a80953c0c96271f68acdae603924e44
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SHA512
05f3a663dfb57eda66f391a1e03d0f064d3ddc1e6964d5db50b9ce80a5d956d557e44157cfa8f1cb563fa64ba65a5325e0d714810f4b699d8eee1e0ce5d041a2
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHTEX7I:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKos
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 2024-06-09_81b2fd26f6f195975debcd6175b6e961_cryptolocker
Files
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2024-06-09_81b2fd26f6f195975debcd6175b6e961_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