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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
25/01/2024, 19:35
General
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Target
2024-01-25_c26dae1b6256c574ee6ceef61ff90ef4_cryptolocker.exe
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Size
104KB
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MD5
c26dae1b6256c574ee6ceef61ff90ef4
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SHA1
66858e0142beb2c238d0f5a700c1fdc29fe3e011
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SHA256
b3d5a2fc9e0983c03f602583c8b4f46a5c3605dfb99938b7f7e78aa42218ecbb
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SHA512
864467dc3433bec6ee38fa014841f7b9fdf718277fed83cf23896c9f167d0119fc34639cae4840f04308f3c0612d5dbcb7509652b4321fca9f68b8bcb01ec6de
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gksq:1nK6a+qdOOtEvwDpjq
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\2024-01-25_c26dae1b6256c574ee6ceef61ff90ef4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_c26dae1b6256c574ee6ceef61ff90ef4_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
104KB
MD56726caea45a7ae45a017a6456d5af5fe
SHA18bf34a818bf63c25c97663d341eea0ab7064dc97
SHA25662860ddcc0380f866c92344c704942dfcf7c9e4453258b0318901c49555b6c68
SHA51283b5bc79abec80b35c342d072f9eabb69310ced876f13d0fca803165cb3f97d820574b74b47394fa981c593a4229fb57387ac0686cb6dc317cd284db6e6f84be
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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
60KB