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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
11/05/2024, 16:44
General
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Target
2024-05-11_0ee3258f1a686bbe6aebafaccaa72fbd_cryptolocker.exe
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Size
65KB
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MD5
0ee3258f1a686bbe6aebafaccaa72fbd
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SHA1
5b77bdbc47b539cf70f84295b0ab83152adc6c77
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SHA256
e74f2e1169ff970739ab96b2e22b5a5fb1422a94cee07cdea19ce96486a26ad8
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SHA512
0fb1dc90b252cfca2fd67990f6bbb0adfafd0968bc38567552e74568a22080e2e1b59a07820eb1c2c17516c6eb49d2cbe0c103435fc555c047329d1232666bdf
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXXC:1nK6a+qdOOtEvwDpjS
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\2024-05-11_0ee3258f1a686bbe6aebafaccaa72fbd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-11_0ee3258f1a686bbe6aebafaccaa72fbd_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
65KB
MD50a1f82d9d0a856c82395664b3327491f
SHA1541600891a6d9d5fac3eee2c73f6f3169db808be
SHA2569c57a09b33d4f7d2765d1900dc957f68b8fbf327ed96087aa53e4f52a1fe7029
SHA51288e70ddd0350996874267a15ebc931d790466aa7d3d5dce07ce2e2951c3086735566c1c2d53e075dff91d6901a4192f4dbb0329cf9297da358b9b5dbacb8647a
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Filesize
60KB
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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
24KB
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Filesize
60KB