Behavioral task
behavioral1
Sample
2024-05-24_43bb988bb3da33620f40997e4ef2c640_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-24_43bb988bb3da33620f40997e4ef2c640_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-24_43bb988bb3da33620f40997e4ef2c640_cryptolocker
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Size
91KB
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MD5
43bb988bb3da33620f40997e4ef2c640
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SHA1
32f98e6ddbe72ac5205cefbe261f70ea922ed652
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SHA256
0ae529599f51d0a812fccf4a3723e6b00d79ec67aea9c6affb171c087137aec7
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SHA512
0ec0d3916d0badd4ecc5043cbcd621073a2f1cf6e54ad0485ddc6eebef7f7ef4f53fa42aba02756e3796574086394bae0fdf8719d14af7d9cc41725db291cef4
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/DZ:n6a+1SEOtEvwDpjYYvQd2PG
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 2024-05-24_43bb988bb3da33620f40997e4ef2c640_cryptolocker
Files
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2024-05-24_43bb988bb3da33620f40997e4ef2c640_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: 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