Behavioral task
behavioral1
Sample
2024-05-23_2b76a8e81aca46c65ad2dfa832fcd884_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-23_2b76a8e81aca46c65ad2dfa832fcd884_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_2b76a8e81aca46c65ad2dfa832fcd884_cryptolocker
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Size
42KB
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MD5
2b76a8e81aca46c65ad2dfa832fcd884
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SHA1
db9c0b3e9481610bd93609bdf5806a074ffb4e27
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SHA256
12f2e8058560f2f56fff560fa86fc4281b9300386376575bacce70c9017b925c
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SHA512
22ec6fa475415fed2f3a3b6d25755954a3e42bb56bf89833b909957b9dc6ee47a4c811e740929778566255ad5a10848ee4979cf34aa34db14f70a07cb95126e4
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoWOa:ba6YcA/Xk3wXFXSqAJia
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 2024-05-23_2b76a8e81aca46c65ad2dfa832fcd884_cryptolocker
Files
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2024-05-23_2b76a8e81aca46c65ad2dfa832fcd884_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