Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 23:40
General
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Target
2024-02-22_ee6166930269293c6009fe0dbef3b31e_cryptolocker.exe
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Size
126KB
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MD5
ee6166930269293c6009fe0dbef3b31e
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SHA1
6482f85ec3fab3ffa079080838be01b994516fd3
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SHA256
6d97e6a326604eaff9c329933bad6815ed4a6fd2564502aaa0efdb4743afbd62
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SHA512
df6a16bdf071d05139e0bc5ddf657beaf2e04a880434c0c6856a868892a9b692da8caf9207a82f344ccf987205276ab0baa977033509a5f955d5c167be4603fb
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eF:AnBdOOtEvwDpj6zP
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\2024-02-22_ee6166930269293c6009fe0dbef3b31e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_ee6166930269293c6009fe0dbef3b31e_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
126KB
MD5f6e73484bf78ff67128c9d37edcde73c
SHA110be60e6d0837f82e2188b9a43597ef82b1a1f8a
SHA256503e4dc001bf3c12f20245b8564ee8401ad7f12df02d6f93a4dea214db3b17c0
SHA512575dd956ff69854f80be07fe1d3b384c77a47cf43412b00bdd35e4a67dac743c8a17910b6624b65ca49fe3f0b7de8cde10b98d3761b6503ca977d2a6c6346a9a
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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