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
21/05/2024, 20:25
General
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Target
2024-05-21_02f9c3fdf18616653728b18903a6294e_cryptolocker.exe
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Size
88KB
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MD5
02f9c3fdf18616653728b18903a6294e
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SHA1
41feeb0477e9fcd6d9146e24966f765e27f35860
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SHA256
21b42cad4f737619a9dc032df55f622095a3593c40cbd34119a2abddca36136f
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SHA512
09e279dad142b9b20b3b341923c3b71dd3e652bf8bf3cde50d2b0d6e2e24e8d520e8e878479ab8748ef71a5b20b592a1b66f5c1aefdf920a119f539caf1cb5ae
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgiL:AnBdOOtEvwDpj6zA
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\2024-05-21_02f9c3fdf18616653728b18903a6294e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_02f9c3fdf18616653728b18903a6294e_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
89KB
MD5088ee525a8594a0636b6257f77c7f354
SHA1742b5f49f94f74ec27a96bbbf123845fe3c15383
SHA25664f1c2576e1601a1869a930fa326d88cc85927d21bd057b842b50d8ab527bde7
SHA5121ccb1ae80ed3e227d80e19def5c301025e41ba3cd2c9eaa543b7d7991762729efbd23dd11e61a48ceb0be31f8306d663bbd3394ebe878b6fdebb8e64cfd1ae3d
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB