Behavioral task
behavioral1
Sample
2024-02-03_a666df835b9819ec9339f279a5f583bd_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_a666df835b9819ec9339f279a5f583bd_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_a666df835b9819ec9339f279a5f583bd_cryptolocker
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Size
107KB
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MD5
a666df835b9819ec9339f279a5f583bd
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SHA1
477743e28cc24bc58e5e3d57c0e18320c659e6e7
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SHA256
9854153f0aed32a505aa1fa4d621e581ac327dcff4dbdcc58e04ee882bda6fad
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SHA512
675f5bc0ad0ab3ee5f7cdd667dc16e392750fb1cdb7d8c549743be85328415b2d13e732ee550622b27f995858fa9fd6ad564500d179851f2d25f69e2c24b7561
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksaP:1nK6a+qdOOtEvwDpjS
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 2024-02-03_a666df835b9819ec9339f279a5f583bd_cryptolocker
Files
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2024-02-03_a666df835b9819ec9339f279a5f583bd_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE