Behavioral task
behavioral1
Sample
2024-04-26_49f5cf5341246e8ab26fcd6a1bd3908f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_49f5cf5341246e8ab26fcd6a1bd3908f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_49f5cf5341246e8ab26fcd6a1bd3908f_cryptolocker
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Size
55KB
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MD5
49f5cf5341246e8ab26fcd6a1bd3908f
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SHA1
a1111a78b016d85893cb3a2b4e8dec55189711f1
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SHA256
5dc85d6c9c8b9cac9b9139369c7270f921097281ef85d6b14e9f3f1d0b6b04ad
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SHA512
82699b5dbe5ba7e415ebbec19363e176a3b95a852173ac6bdc5d7e7c9ea4199215e1f5984334b1024f7a01485f3496be9a3f409543dd75b1151c5a2fec7cedbd
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNcm:bP9g/xtCS3Dxx0lm
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 2024-04-26_49f5cf5341246e8ab26fcd6a1bd3908f_cryptolocker
Files
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2024-04-26_49f5cf5341246e8ab26fcd6a1bd3908f_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