Behavioral task
behavioral1
Sample
2024-05-14_39fa28c81e2e62500c0a97d9a833ba78_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-14_39fa28c81e2e62500c0a97d9a833ba78_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-14_39fa28c81e2e62500c0a97d9a833ba78_cryptolocker
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Size
56KB
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MD5
39fa28c81e2e62500c0a97d9a833ba78
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SHA1
e6223365882e7ea4ba5cfe83debe2a1bd3f6bad1
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SHA256
76c373045a221ba7329b5955abd6bfc1a9053d13db7f525b03cbd02e2bc35059
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SHA512
064d46e601c582377a0a9031f9ce3eaae0fc8e9a1da351afcd9c560a72522cf53c087be57050ce8bfb1a145e09ee2d064eda24a3b31317e43bd04d8485c03624
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNJr: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 2024-05-14_39fa28c81e2e62500c0a97d9a833ba78_cryptolocker
Files
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2024-05-14_39fa28c81e2e62500c0a97d9a833ba78_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