Behavioral task
behavioral1
Sample
2024-05-31_f8a61ca73efcc027a47ece6fc816af52_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_f8a61ca73efcc027a47ece6fc816af52_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_f8a61ca73efcc027a47ece6fc816af52_cryptolocker
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Size
91KB
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MD5
f8a61ca73efcc027a47ece6fc816af52
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SHA1
5d533a2fd0b84d6100ce9ef7abbd46c99bb06fba
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SHA256
f3a0805b97e2d9d7573cc69e8fa1f9add1efcb4bf56e8fe7fe9d23e01c8f097d
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SHA512
3f7b5b1960f028a61e3c43706cdc747940b473ecdddfcfa70cd93655fdd0497861dac4779dfdceedc517d1e996e9eb23e6d76f4a9c9aa0b26d9d3f48221b3e96
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/L:n6a+1SEOtEvwDpjYYvQd2Pc
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 2024-05-31_f8a61ca73efcc027a47ece6fc816af52_cryptolocker
Files
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2024-05-31_f8a61ca73efcc027a47ece6fc816af52_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