Analysis
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max time kernel
143s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
07-01-2024 12:17
General
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Target
2024-01-06_d5f8816c349f676f8a496be7db46602b_cryptolocker.exe
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Size
74KB
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MD5
d5f8816c349f676f8a496be7db46602b
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SHA1
17d6b368a2cdfb931e691ae9be8ba1341039e928
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SHA256
3772d775bcd2bbd095be709b9d523701bae21ab1e49d8947d1e2b943971b539b
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SHA512
a4e80a9f191afbd1cf707814e356126027e22f4d0ac675c322d45860cd6c73c6382ca1e458d6af20c1b4b6a894f34aa9435584274ffaa1223d310c140afd8042
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdV:T6a+rdOOtEvwDpjNtz
Malware Config
Signatures
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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 4 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\2024-01-06_d5f8816c349f676f8a496be7db46602b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-06_d5f8816c349f676f8a496be7db46602b_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
74KB
MD5c7ca1590d1bd8c719e7533792e064461
SHA133818e41a6732da530bdd1bcd58299e8ccdd76f2
SHA256440547cb408b40ea35018b4f47b1acfde32359a6b075e747d475a1989ea9962f
SHA512958a6aadaa7724a1a72ff8925c3ab3a0e9b95b9bd198971e97cccc92ce052348df7aad9b04d52d6f96ecb2cad7028bcc4900c0a9c9475ff5337a2f3c952470fa
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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
24KB
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Filesize
24KB
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Filesize
64KB