Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
28-01-2024 20:34
General
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Target
2024-01-28_9976ca13aeeffdeb9c4481c44ab34051_cryptolocker.exe
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Size
107KB
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MD5
9976ca13aeeffdeb9c4481c44ab34051
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SHA1
1dde9c58a127cc5ac40b4d901f6fe4547b60f05e
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SHA256
0a3ce3f28c20ae262d3330ee7c3f4ac231ca96de1beb7e5be69ad4f0acb50be4
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SHA512
2935edb15f7d28a8978ee6c29113a1bcc2710671a0a91229e3fd8014cb106aaec0b293961c0cedd0ff5dffb57ed8fafdb44e26124b3a24d9f8b7635104ed699f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksgEG:1nK6a+qdOOtEvwDpj0
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-01-28_9976ca13aeeffdeb9c4481c44ab34051_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_9976ca13aeeffdeb9c4481c44ab34051_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
MD594c4f98219b3c58c3b5b6832c4c5f22e
SHA1f7ffeea5c48aa6fe964fbf105feeffaf097befc8
SHA25605d9803867266544bc6c9c5993fb26611d5f19c66cad9acff866a45a7f654ee2
SHA51240331d9dc967379fbaca064db14075a52dbe1e7fdea820e8fd3247618170e10be1d8049cc12176d5941f3e8f03b485d322fe3fb9f8d1128baa14d22e47f809fa
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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
24KB
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Filesize
24KB
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Filesize
60KB