Behavioral task
behavioral1
Sample
2024-01-25_d1b7ad6990b867fdb4c2f8acd6b7ff15_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_d1b7ad6990b867fdb4c2f8acd6b7ff15_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_d1b7ad6990b867fdb4c2f8acd6b7ff15_cryptolocker
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Size
116KB
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MD5
d1b7ad6990b867fdb4c2f8acd6b7ff15
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SHA1
529e4f0d4594c6d8f6b68370dff585ba596a6f69
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SHA256
fb1620c2697d55b755407ec3d11603a732f291c41eecd865ef1793c4659f2892
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SHA512
97dba2fd6ae2c140fde69a5727d79b19ddead3bcf014647d6bc05f83d8c1557e5cab90396825e1568aaad6e14271947514c5220a1f53b29063be34f2c65cdaaf
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp017:z6a+CdOOtEvwDpjczZ
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 2024-01-25_d1b7ad6990b867fdb4c2f8acd6b7ff15_cryptolocker
Files
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2024-01-25_d1b7ad6990b867fdb4c2f8acd6b7ff15_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_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