Analysis
- user interaction
yes - max time kernel
898s - max time network
631s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
27/07/2026, 18:31
General
- Target Arcane/Settings/1 (2).mp4
- Size 45.4MB
- Sample260727-w6arkscf48
- SHA256 2756a177c1f035c6117edaed575b27086cc4d7185744962696eab046f1fe06a7
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 2 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.
- Modifies registry class 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\Arcane\Settings\1 (2).mp4"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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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.DTD
WMSDKNS.XML
wmsetup.log
memory/5968-36-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-33-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-34-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-35-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-37-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-38-0x000000000A940000-0x000000000A950000-memory.dmp
memory/5968-39-0x000000000A940000-0x000000000A950000-memory.dmp
memory/5968-41-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-40-0x00000000078A0000-0x00000000078B0000-memory.dmp
memory/5968-42-0x000000000A940000-0x000000000A950000-memory.dmp
memory/5968-32-0x00000000078A0000-0x00000000078B0000-memory.dmp