Behavioral task
behavioral1
Sample
2024-05-24_b2aabd553c5380275bb23fda8ba9a4b3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-24_b2aabd553c5380275bb23fda8ba9a4b3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-24_b2aabd553c5380275bb23fda8ba9a4b3_cryptolocker
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Size
42KB
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MD5
b2aabd553c5380275bb23fda8ba9a4b3
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SHA1
5e0c059a1394d15fc621ddf84c4ac65e73e79495
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SHA256
2374adf866669166eb5e8b2d39c4e50139fcebb46c703b18d2ba52bb6d2e9ab2
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SHA512
b7ed56511d5f525ab044b5667e89581f27d0d9fe7799f11c48462c906b959a5a69c762834c0e65442d586e03fb4eb3e43ad3d45e5eeee03a3f94e4fe6f2da6fb
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKCnr:ba6YcA/Xk3wXFXSqAJCnr
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 2024-05-24_b2aabd553c5380275bb23fda8ba9a4b3_cryptolocker
Files
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2024-05-24_b2aabd553c5380275bb23fda8ba9a4b3_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