Behavioral task
behavioral1
Sample
2024-02-21_c4b543e94a9529cbe28db9bfbc25ab65_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_c4b543e94a9529cbe28db9bfbc25ab65_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_c4b543e94a9529cbe28db9bfbc25ab65_cryptolocker
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Size
105KB
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MD5
c4b543e94a9529cbe28db9bfbc25ab65
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SHA1
7d6603ee2ea421a86f566a0b2e81d5d57e4989ab
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SHA256
337dc588f523ba2e147c9a5e15b1d1d5b0bfbf3b390a387eabe7914b6ec9135e
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SHA512
560d6fb1d4c0b446e31c8004d7bf33b89063edc0f5403aae72a4ed33b4d67cb89948402ea1be3688886ff36ca7b99289539987e1753ecf81183fff59ac992c9f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksaLT:1nK6a+qdOOtEvwDpji
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 2024-02-21_c4b543e94a9529cbe28db9bfbc25ab65_cryptolocker
Files
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2024-02-21_c4b543e94a9529cbe28db9bfbc25ab65_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