Behavioral task
behavioral1
Sample
2024-04-19_23658438a9e60586212ad06ca826be7b_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-19_23658438a9e60586212ad06ca826be7b_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_23658438a9e60586212ad06ca826be7b_cryptolocker
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Size
55KB
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MD5
23658438a9e60586212ad06ca826be7b
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SHA1
1feb2ea8f6f4210c222e77dd4f8e8de8d4db6f5e
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SHA256
8cca07229dafd1c994708137541cc5af2d920895f9a09a1fb0dfa3492d102d38
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SHA512
6056050d404c8d86bf49716e112f928af8ee2d78d26450e5b434743b4c0d6c2c85156c25aa1dbdcf73d2a763237bc8336a819bf0c8bf90b2ad709fd398d3006b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlJ:bP9g/xtCS3Dxx0e
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 2024-04-19_23658438a9e60586212ad06ca826be7b_cryptolocker
Files
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2024-04-19_23658438a9e60586212ad06ca826be7b_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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