Behavioral task
behavioral1
Sample
2024-02-04_3dd5d1cac7c05313513c9f87a6da1360_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_3dd5d1cac7c05313513c9f87a6da1360_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-04_3dd5d1cac7c05313513c9f87a6da1360_cryptolocker
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Size
64KB
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MD5
3dd5d1cac7c05313513c9f87a6da1360
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SHA1
d133a313163383db58b680b9a92700573801058d
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SHA256
4130b86f2a091273261b0e96dc6d3a48ab589660dee3aee73f96068f6d7ade9e
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SHA512
619e844e5bfb3651533471bf438c3411bb59c99e539cea72d9c2ea640ff651890ecde51109d5f6066991617b86496a0b5c7bc22c119d20915d3103274ce5c20c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUa1Fr:T6a+rdOOtEvwDpjNL
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 2024-02-04_3dd5d1cac7c05313513c9f87a6da1360_cryptolocker
Files
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2024-02-04_3dd5d1cac7c05313513c9f87a6da1360_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: 10KB - 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