Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
23/02/2024, 06:19
General
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Target
2024-02-23_c227cf3eabb75fcc5387f34ab375a635_cryptolocker.exe
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Size
107KB
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MD5
c227cf3eabb75fcc5387f34ab375a635
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SHA1
360e635d73c833c08856596c71de6ef21cc108b8
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SHA256
36ab2cd0d489b4d79efa7292df71ff36203d8e61e1cc4a5efe8b92089601d1ee
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SHA512
b0427614146d3c2ec5b3dca11611930f6db0a8719491e565c2868afc32ea93af0fa546db039273725bd6bb7a215e0b7681eea4c2aeb2e754c8733655f6ce6a78
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GkszfK:1nK6a+qdOOtEvwDpjm
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\2024-02-23_c227cf3eabb75fcc5387f34ab375a635_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_c227cf3eabb75fcc5387f34ab375a635_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
107KB
MD5a8aa1d0029a1755297cf257dc0d2b019
SHA1c7b9f6da3c8aebffe0258e61689fd833afa53dc8
SHA2566ebd316bdac98b48e6078acb1855d7a92f6e65888bff09113bee0dc7a813e00b
SHA512743303ed75963b0419d3eecdc669d6d4c1ed379d4f6e95ad787809ec5c76960771df51aee73d5fbba8169bc28aceef33cce3975d66bdeab09c82dcf2bff12a89
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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
24KB
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Filesize
24KB
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Filesize
60KB