Behavioral task
behavioral1
Sample
2024-05-11_3ffcc321b74bccc8f90e6fe9cf1f2d99_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-11_3ffcc321b74bccc8f90e6fe9cf1f2d99_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-11_3ffcc321b74bccc8f90e6fe9cf1f2d99_cryptolocker
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Size
58KB
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MD5
3ffcc321b74bccc8f90e6fe9cf1f2d99
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SHA1
61d10455390e9bd85eb4c9d4b2f84da62e7be003
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SHA256
4f9edd3a3c54e50f613209c2eb6e4e4ae8b848a337a019651903b91f583f103d
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SHA512
51d9388920a740557123c95784afc1744f53ade16e353aa4abefbda43fe6c8985c765542e0b342a6c61cc35fae8950f94f8f050876c7e242ff9c7f16aaab49b2
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPjl:H6QFElP6n+gou9cvMOtEvwDpjCpVXY
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 2024-05-11_3ffcc321b74bccc8f90e6fe9cf1f2d99_cryptolocker
Files
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2024-05-11_3ffcc321b74bccc8f90e6fe9cf1f2d99_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_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - 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