Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
10/05/2024, 11:32
General
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Target
2024-05-10_53d610dd660130a3b707abd6af87473a_cryptolocker.exe
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Size
68KB
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MD5
53d610dd660130a3b707abd6af87473a
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SHA1
6a5e6b598a211f82f3d32f6564319d0b4fd01fce
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SHA256
8ec4c06a16a9dee863c437680e117fa6ad7ae94f76bcbe9a0fe4c5f654a9d05c
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SHA512
a1c81ec76c196af31b5b0c07ff52abb1aa2b6f2074eca014efe8e54318cbbb3b7e3a733e80239010cb53938f8b114e0d6702ccc193b80047b93d3ac5c0052175
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAed:78SEOtEvwDpjWYvQd2PQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-10_53d610dd660130a3b707abd6af87473a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-10_53d610dd660130a3b707abd6af87473a_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD5d21250be19619242d53c9d646d7007fa
SHA100d5ad1af5df585d6362876ec5ecde2b335c2739
SHA2567391aac9fe588d2ea9490f6f77a385aa292f0c31d04ceb2217d4ab0354a50011
SHA5123f17d6926760200ec7b6bfb3f6f35bfac4fc06ff6a3a17476917f8bc670a82b548c232ddfcb5fbb70eeafba1652ef6715e389585aa318861164ad793a0b7dfb0
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB