Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
18-02-2024 04:25
General
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Target
2024-02-18_0f59db7bf649c771e67d0048e41691df_cryptolocker.exe
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Size
45KB
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MD5
0f59db7bf649c771e67d0048e41691df
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SHA1
3eca36efd7240dae7a35e105b47ee7b34b13142f
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SHA256
4e4f66113a4712d297dc9214d3d2c915f32882f2439493c15a3cba617b47ac84
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SHA512
064fc266f0b303fcb9da126f2d9b513d6c347682c82c524c364097235ad5edf807b19aaa8acccd84c6ad6576e828da58168d93cf12472466ff37a79731ceebea
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Mom4:qmbhXDmjr5MOtEvwDpj5cDtKkQZQb
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\2024-02-18_0f59db7bf649c771e67d0048e41691df_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_0f59db7bf649c771e67d0048e41691df_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
45KB
MD51cb2fe05b72829e4bfb24829f47fe9e0
SHA1297148d4d18528121660b69a07a947d86faccea8
SHA2568c38e8c75a310ac4c4a1f525c1e18512316576ef3392e4097028c8377fc0a4fb
SHA512744f5d5324d480ce9901cf57c8d6450f516f3afb28a0be602f93f870aef95b9af65d52a73022d149b75224835c059e497d3573a5eca2b3fb50c8a45abc8455d4
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB