Behavioral task
behavioral1
Sample
2024-05-04_64db3993e81e059b2031d4531a12cb24_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-04_64db3993e81e059b2031d4531a12cb24_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_64db3993e81e059b2031d4531a12cb24_cryptolocker
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Size
51KB
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MD5
64db3993e81e059b2031d4531a12cb24
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SHA1
e4973e61a1674c5cc1e01af390190e349767a962
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SHA256
1267ae42f1dfd39c21feea05dc7d7b9a23c505723603cf8b95b6ade3a6df2912
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SHA512
84cc853d1d2b944b32122a91eedbf64553eb747f895af4c6ab5573aced08b8e027b7b7d03b554e7cf735307568e8e9df37258b13eaee0637a1a461a29dfa1610
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXh:bODOw9acifAoc+v8h
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-04_64db3993e81e059b2031d4531a12cb24_cryptolocker
Files
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2024-05-04_64db3993e81e059b2031d4531a12cb24_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: 16KB - Virtual size: 28KB
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: 8KB - 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