Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
18-01-2024 22:46
General
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Target
2024-01-18_53f26ac195b4cd19b4d819c1405e8a78_cryptolocker.exe
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Size
58KB
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MD5
53f26ac195b4cd19b4d819c1405e8a78
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SHA1
eca08e64d0cce4f8500f36898dd10b2f8b696026
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SHA256
584b128cc727e0ab63701d1f14ef077d878418c04d7aaa2898f06f04058c80ca
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SHA512
1969deeeb8708c0351647a827c3c5c3917954967afff3147c150a42a6d0eac520cd5cd89b6e776048366b0cfdf4b2402fd42329856b1ef2efeb517e0d05e315a
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb614h:BbdDmjr+OtEvwDpjMO
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-01-18_53f26ac195b4cd19b4d819c1405e8a78_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_53f26ac195b4cd19b4d819c1405e8a78_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
58KB
MD508b5f2eaf7b512be9dcb6fdc9dcf618f
SHA1d4c4c2de83603e9f34472ef27b266e1b1a7c01a3
SHA2561b10be771201e8e66345ae1f01b4cd7653c8fd204d216778062fea8e0e42a22a
SHA51243124e3c2e4c80667aa3daac5ed1b28c1b24aac7abf2a2584b285b6c265a2277ad148324ccb1efc8fd89823024c8e6e826b7d9654cd08ae0be8ef226d78a9fc0
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB