Behavioral task
behavioral1
Sample
2024-06-09_87163f40a6ece1826a82855a90f81e7e_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-09_87163f40a6ece1826a82855a90f81e7e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-09_87163f40a6ece1826a82855a90f81e7e_cryptolocker
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Size
56KB
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MD5
87163f40a6ece1826a82855a90f81e7e
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SHA1
7e88b46cdb464e48dd92a4cf570a25fd8bdf0a22
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SHA256
35e89decff0f5e265ec6d462552cdf6cfcbd14d6c2b71517bd0bbd00d09304f7
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SHA512
b5fda5416ea82218d72aa4aec2853fbc24115c4aab24a18a7d321c7e5b483ff9f9bd3e8c4e7a62812e4a33bb46231787ab0c7b5ad7bd5cb12e9cd19d17bfe38b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlMZ:bP9g/xtCS3Dxx0vZ
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_87163f40a6ece1826a82855a90f81e7e_cryptolocker
Files
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2024-06-09_87163f40a6ece1826a82855a90f81e7e_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