Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
21-10-2022 18:19
General
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Target
9f59250b4a03bce4e6aca0b006b5616bd3a858dd3ed7dfb6dddc28c1ff4cf3df.exe
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Size
248KB
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MD5
4ac08c2772f3b5f15124e72b7a8bd480
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SHA1
9816c7327db73b374bd5f215c35db4f4e0c58d10
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SHA256
9f59250b4a03bce4e6aca0b006b5616bd3a858dd3ed7dfb6dddc28c1ff4cf3df
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SHA512
746d6be247dffa98359fdbe4c0c7be05493480d6668c905bb19c2249eac8bd61e3248b7d2abcdadf47897e45310181d08a4976eca7142f46aa9cd89982fd0185
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SSDEEP
3072:KU4f+fkjZt7fF0L2vMCDiu0Y8RxwLRMcR9aBeWvfxLWDw0eWJ2NJucbPvJ1nlYZC:K1i+f3uBmLbR9JWJWZJYJuEvPr
Malware Config
Signatures
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Luminosity
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
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Executes dropped EXE 1 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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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in System32 directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9f59250b4a03bce4e6aca0b006b5616bd3a858dd3ed7dfb6dddc28c1ff4cf3df.exe"C:\Users\Admin\AppData\Local\Temp\9f59250b4a03bce4e6aca0b006b5616bd3a858dd3ed7dfb6dddc28c1ff4cf3df.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\ProgramData\411890\repair.exe"C:\ProgramData\411890\repair.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD54ac08c2772f3b5f15124e72b7a8bd480
SHA19816c7327db73b374bd5f215c35db4f4e0c58d10
SHA2569f59250b4a03bce4e6aca0b006b5616bd3a858dd3ed7dfb6dddc28c1ff4cf3df
SHA512746d6be247dffa98359fdbe4c0c7be05493480d6668c905bb19c2249eac8bd61e3248b7d2abcdadf47897e45310181d08a4976eca7142f46aa9cd89982fd0185
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Filesize
248KB
MD54ac08c2772f3b5f15124e72b7a8bd480
SHA19816c7327db73b374bd5f215c35db4f4e0c58d10
SHA2569f59250b4a03bce4e6aca0b006b5616bd3a858dd3ed7dfb6dddc28c1ff4cf3df
SHA512746d6be247dffa98359fdbe4c0c7be05493480d6668c905bb19c2249eac8bd61e3248b7d2abcdadf47897e45310181d08a4976eca7142f46aa9cd89982fd0185
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Filesize
5.7MB
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Filesize
92KB
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Filesize
92KB
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Filesize
92KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB