Behavioral task
behavioral1
Sample
2024-04-24_54942f9a0b15b49e163d3247ca2a3fd3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_54942f9a0b15b49e163d3247ca2a3fd3_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_54942f9a0b15b49e163d3247ca2a3fd3_cryptolocker
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Size
55KB
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MD5
54942f9a0b15b49e163d3247ca2a3fd3
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SHA1
7532be29cb580c9c5f772817b7a474c833dd5f55
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SHA256
f30af16ece80fd2c407085e3a0a7912a724e6f3000717d195adcf32758263beb
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SHA512
904ffdb5886f41c1432770154b334aa77ff251d2c01b2cdfbbad7ee25506f676e49b95624214ef1a71507ca6bf0fc136d1acea22fb9794dd1839fe2dc9269151
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNq:bP9g/xtCS3Dxx0l
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 2024-04-24_54942f9a0b15b49e163d3247ca2a3fd3_cryptolocker
Files
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2024-04-24_54942f9a0b15b49e163d3247ca2a3fd3_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