Analysis
- user interaction
yes - max time kernel
149s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
09/08/2026, 02:09
General
- Target RSServCmd.exe
- Size 7.6MB
- Sample260809-clh3nsstbt
- SHA256 e80752b1e14d8cffffb828e9d776f4c64cb79ca79e4f1c5538d2bf5905ae7cb3
Malware Config
Signatures
- Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Windows directory 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 5 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RSServCmd.exe"C:\Users\Admin\AppData\Local\Temp\RSServCmd.exe"1⤵
-
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\unregmp2.exe"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\unregmp2.exe"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost1⤵
- Drops file in Windows directory
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
CurrentDatabase_400.wmdb
CurrentDatabase_400.wmdb
WMSDKNS.XML.bak
wmsetup.log
74d7f43c1561fc1e.customDestinations-ms
74d7f43c1561fc1e.customDestinations-ms
memory/3752-14-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-16-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-12-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-11-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-9-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-10-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-1-0x00007FFC6AFBD000-0x00007FFC6AFBF000-memory.dmp
memory/3752-13-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-15-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-8-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-24-0x00007FFC833B0000-0x00007FFC833E4000-memory.dmp
memory/3752-23-0x00007FF733610000-0x00007FF733708000-memory.dmp
memory/3752-25-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-7-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-6-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-5-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-3-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-4-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp
memory/3752-2-0x00007FFC6AD10000-0x00007FFC6AFC6000-memory.dmp