Behavioral task
behavioral1
Sample
2024-03-11_a9326339bc819b50c574ac100ce8daf4_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-11_a9326339bc819b50c574ac100ce8daf4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_a9326339bc819b50c574ac100ce8daf4_cryptolocker
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Size
118KB
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MD5
a9326339bc819b50c574ac100ce8daf4
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SHA1
dd7627656f464657ae848668d12292ca74716d00
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SHA256
255688817ef57fbbdb3f9103006f4d69cc22e384e9bc91304735ec9bf3a82e9c
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SHA512
e50b6284de04ee39bb7a696972d1de72f8f316a062c5d952224e13c913e5f9731fc9ff53c4e6041bb6e581f5120728a823b6e1dcf0ce96ddce5cd8326fb780dd
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01rBEG:z6a+CdOOtEvwDpjczL
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-03-11_a9326339bc819b50c574ac100ce8daf4_cryptolocker
Files
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2024-03-11_a9326339bc819b50c574ac100ce8daf4_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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