Behavioral task
behavioral1
Sample
2024-04-20_dcdf6b23b925c61981a5d060307f5282_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_dcdf6b23b925c61981a5d060307f5282_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-20_dcdf6b23b925c61981a5d060307f5282_cryptolocker
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Size
54KB
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MD5
dcdf6b23b925c61981a5d060307f5282
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SHA1
15176ab5a6c13553f7897f961129ab1843515894
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SHA256
05b7e9a3d8928db1db61174dc8c2f491616a0328bbd675bff227ef92ecc4bf44
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SHA512
9eaed52c238a61936ee17077fcde6bfef63a096aa0f3e7821ae2d694e270adf17b200c40ece2744f27eab7491371a063abb728ae1895fc0f90baa29af1866815
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjld:bP9g/xtCS3Dxx0i
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 2024-04-20_dcdf6b23b925c61981a5d060307f5282_cryptolocker
Files
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2024-04-20_dcdf6b23b925c61981a5d060307f5282_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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