Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
18/04/2024, 20:35
General
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Target
2024-04-18_ea5171abeeb10045ec04fd1a7cdeeb61_cryptolocker.exe
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Size
38KB
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MD5
ea5171abeeb10045ec04fd1a7cdeeb61
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SHA1
efb9a8e5e049c8a386915bf46c8b5f0295f2c526
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SHA256
6b1e45b6cde26368eb4d635cb8844754e08e10ee9b7cbc388bf24e44df2b4a1e
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SHA512
aea6ce557b0eaf2ec3e67eadf1a918331d6024bb115fcdc96b5c2a3c2fffb5336f25c8f22169fc65f782297f5395b18c92b10270c7d07a0a7718e29d21618f9a
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYDo:qDdFJy3QMOtEvwDpjjWMl7T0o
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\2024-04-18_ea5171abeeb10045ec04fd1a7cdeeb61_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-18_ea5171abeeb10045ec04fd1a7cdeeb61_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
38KB
MD559c9228fe8228871815ffc5ed3e2775a
SHA115d3c44a7b57a8866bdf213b7019cf5cb594ed28
SHA2561331055f4f5550a5538006f2edc1d8e9cd5f056eac3b89164e348a6d40939b3a
SHA5126805eff35c7a59489c7c45f904f4e4c9bbc097848dcf4cf268fdda9e29ecc90ba4a62dc494fd2a7f861bcd3227c43fd17678493b563784014f3b3320cd37afb3
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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