Behavioral task
behavioral1
Sample
2024-04-23_642f54503d01e741f5930e76a5ec0c41_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_642f54503d01e741f5930e76a5ec0c41_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_642f54503d01e741f5930e76a5ec0c41_cryptolocker
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Size
54KB
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MD5
642f54503d01e741f5930e76a5ec0c41
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SHA1
1f05be7a840fc2cd86c015f08ef597ea8031b859
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SHA256
bfd467f79c027accfb0d8229b31285c7d7d9788154fc2fb4012f6cd12c0c67e7
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SHA512
aa66cafe9c8592238f811c08bfd465f44de7878a46d791db2a20f5d678e0373f5daa631da68f8181f76ea0c66e465c3b383085b65c862a3b00132e2bd2b291e0
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNJ:bP9g/xtCS3Dxx0u
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_642f54503d01e741f5930e76a5ec0c41_cryptolocker
Files
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2024-04-23_642f54503d01e741f5930e76a5ec0c41_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