Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
25/01/2024, 20:33
General
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Target
2024-01-25_eb333aa43ca03dd88239fdc654aa9f86_cryptolocker.exe
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Size
56KB
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MD5
eb333aa43ca03dd88239fdc654aa9f86
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SHA1
81ecd4700027145120a596163d53533bb25be949
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SHA256
915ed773292623b0810a968359ab20155ee70e5348a62deec5d7a70f4fac3104
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SHA512
c87d144b7d6693e03ea0d69d16b8f3652f9285a851cc7d74a509640b59182b4b735f005ae4b358a3262157f7f6fb0990229d02554371f32e08ff649d1aad3acc
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61PTm:BbdDmjr+OtEvwDpjM4
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 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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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_eb333aa43ca03dd88239fdc654aa9f86_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_eb333aa43ca03dd88239fdc654aa9f86_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
57KB
MD54ffe0a68b36a9bc4e628325c59552600
SHA14acd35967a7b0cc84a833ed0edef9802783c78d7
SHA25670b02f1094119866738da0fa3c83ffc6cfeeb7da3d20541f33380205211a8b23
SHA512c367933212c12c376ced0bcbed59860596697f56a77b03462e527cdb1a5a8e7632c5aa7668d2a5e9d3a3d3ad677b828471bb9c5ef96c8d7b7ce28fb61162525f
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB