Analysis
- max time kernel
141s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
10/05/2024, 12:14
General
- Target SysRI一键重装v1.23.817.exe
- Size 14.2MB
- Sample240510-pellfadf4y
- SHA256 8e4b97421ef3d6be57c50b9d21c7a9b7be76e89654c33aeb21fe88a5b210edb1
Malware Config
Signatures
- PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
- Executes dropped EXE 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SysRI一键重装v1.23.817.exe"C:\Users\Admin\AppData\Local\Temp\SysRI一键重装v1.23.817.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c C:\Windows\Temp\ESPC_jvbi\7za_lbmk.exe x -y -aos C:\Windows\Temp\ESPC_jvbi\OEM.zip -oC:\Windows\Temp\ESPC_jvbi\2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\Temp\ESPC_jvbi\7za_lbmk.exeC:\Windows\Temp\ESPC_jvbi\7za_lbmk.exe x -y -aos C:\Windows\Temp\ESPC_jvbi\OEM.zip -oC:\Windows\Temp\ESPC_jvbi\3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
7za_lbmk.exe
OEM.zip
config_OEM.ini
memory/2812-32-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-34-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-28-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-30-0x00000000017C0000-0x00000000017C1000-memory.dmp
memory/2812-31-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-0-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-33-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-1-0x00000000017C0000-0x00000000017C1000-memory.dmp
memory/2812-35-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-36-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-37-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-38-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-39-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-40-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-41-0x0000000000400000-0x0000000001809000-memory.dmp
memory/2812-42-0x0000000000400000-0x0000000001809000-memory.dmp