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
08-06-2024 04:06
General
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Target
2024-06-08_f1f1443886b56f8df6032ce2ea5a7758_cryptolocker.exe
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Size
60KB
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MD5
f1f1443886b56f8df6032ce2ea5a7758
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SHA1
ed3bfc7140a1fc51aeb5165a6966dbcb1a9ed96b
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SHA256
adcd2960e5ad7c7e3447e98cc509b0fbf952fcd223df988b6f040047c955d0e0
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SHA512
247b2fc67d93088870391ac8e63d500c710b311518d4930609bdbc737ca3d62429795be73370db81367f3a917f7629779184823483a16be54078e8b1c0f88fa6
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pcF:H6QFElP6n+gou9cvMOtEvwDpjCpVXm
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\2024-06-08_f1f1443886b56f8df6032ce2ea5a7758_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-08_f1f1443886b56f8df6032ce2ea5a7758_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
61KB
MD56046ef73f76a7038cd2a1c092783cd1d
SHA16d7d7e015466ce54faeef421c98fbaa359b3b332
SHA256804a4be84ebbe8e748346f910163efd950c9e6db33845129cf32b4a6845445d3
SHA51200700b71edf50f673fd5b501f64c2760388f57d5ddfdf4ff9e1c74c4f114f0d8a32ce8d65dcaad82b3193eade766d6ff7e1b48a5c6080f31f2c44d962d07024b
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB