Analysis
- user interaction
yes - max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-es - resource tags
- submitted
31/10/2026, 01:11
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample261031-bj8d4sty6r
- SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
Malware Config
Signatures
- Program crash 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.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies Internet Explorer settings 1 TTPs 27 IoCs
- Suspicious behavior: AddClipboardFormatListener 4 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of FindShellTrayWindow 30 IoCs
- Suspicious use of SendNotifyMessage 27 IoCs
- Suspicious use of SetWindowsHookEx 24 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 6123⤵
- Program crash
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4608 -ip 46081⤵
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\JoinResume.rm"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\JoinResume.rm"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n /f "C:\Users\Admin\Desktop\ReadReceive.dot"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\RegisterInvoke.xht1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:468 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\system32\mspaint.exe"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\CompressReset.wmf"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
~DF21998F5C2D0FB090.TMP
index.dat
vlc-qt-interface.ini
vlcrc.3468
memory/3468-76-0x00007FFFF86B0000-0x00007FFFF86F1000-memory.dmp
memory/3468-79-0x00007FFFF8AA0000-0x00007FFFF8AB1000-memory.dmp
memory/3468-70-0x00007FF800430000-0x00007FF800441000-memory.dmp
memory/3468-73-0x00007FFFF8FE0000-0x00007FFFF8FFD000-memory.dmp
memory/3468-68-0x00007FF800A50000-0x00007FF800A68000-memory.dmp
memory/3468-69-0x00007FF800A30000-0x00007FF800A47000-memory.dmp
memory/3468-67-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp
memory/3468-72-0x00007FFFF9000000-0x00007FFFF9011000-memory.dmp
memory/3468-74-0x00007FFFF8FC0000-0x00007FFFF8FD1000-memory.dmp
memory/3468-75-0x00007FFFEA7C0000-0x00007FFFEA9CB000-memory.dmp
memory/3468-65-0x00007FF68F600000-0x00007FF68F6F8000-memory.dmp
memory/3468-77-0x00007FFFF8F50000-0x00007FFFF8F71000-memory.dmp
memory/3468-78-0x00007FFFF8BF0000-0x00007FFFF8C08000-memory.dmp
memory/3468-71-0x00007FFFF9020000-0x00007FFFF9037000-memory.dmp
memory/3468-80-0x00007FFFF8690000-0x00007FFFF86A1000-memory.dmp
memory/3468-81-0x00007FFFF8670000-0x00007FFFF8681000-memory.dmp
memory/3468-82-0x00007FFFF8650000-0x00007FFFF866B000-memory.dmp
memory/3468-83-0x00007FFFF85E0000-0x00007FFFF85F1000-memory.dmp
memory/3468-84-0x00007FFFF85C0000-0x00007FFFF85D8000-memory.dmp
memory/3468-86-0x00007FFFF8480000-0x00007FFFF84E7000-memory.dmp
memory/3468-87-0x00007FFFE8AB0000-0x00007FFFE8B2C000-memory.dmp
memory/3468-88-0x00007FFFF8570000-0x00007FFFF8581000-memory.dmp
memory/3468-89-0x00007FFFF8380000-0x00007FFFF83D7000-memory.dmp
memory/3468-90-0x00007FFFF8540000-0x00007FFFF8568000-memory.dmp
memory/3468-91-0x00007FFFF8450000-0x00007FFFF8474000-memory.dmp
memory/3468-85-0x00007FFFF8590000-0x00007FFFF85C0000-memory.dmp
memory/3468-66-0x00007FF800A70000-0x00007FF800AA4000-memory.dmp
memory/3504-46-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/3504-49-0x00007FF7C5520000-0x00007FF7C5530000-memory.dmp
memory/3504-119-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/3504-118-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/3504-44-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/3504-50-0x00007FF7C5520000-0x00007FF7C5530000-memory.dmp
memory/3504-45-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/3504-47-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/3504-48-0x00007FF7C7890000-0x00007FF7C78A0000-memory.dmp
memory/5004-32-0x00007FFFF8590000-0x00007FFFF85C0000-memory.dmp
memory/5004-38-0x00007FFFE6D60000-0x00007FFFE6D77000-memory.dmp
memory/5004-16-0x00007FF800430000-0x00007FF800441000-memory.dmp
memory/5004-18-0x00007FFFF9000000-0x00007FFFF9011000-memory.dmp
memory/5004-24-0x00007FFFF8F50000-0x00007FFFF8F71000-memory.dmp
memory/5004-23-0x00007FFFF86B0000-0x00007FFFF86F1000-memory.dmp
memory/5004-26-0x00007FFFF8AA0000-0x00007FFFF8AB1000-memory.dmp
memory/5004-27-0x00007FFFF8690000-0x00007FFFF86A1000-memory.dmp
memory/5004-28-0x00007FFFF8670000-0x00007FFFF8681000-memory.dmp
memory/5004-29-0x00007FFFF8650000-0x00007FFFF866B000-memory.dmp
memory/5004-30-0x00007FFFF85E0000-0x00007FFFF85F1000-memory.dmp
memory/5004-31-0x00007FFFF85C0000-0x00007FFFF85D8000-memory.dmp
memory/5004-11-0x00007FF68F600000-0x00007FF68F6F8000-memory.dmp
memory/5004-34-0x00007FFFE7A00000-0x00007FFFE7A7C000-memory.dmp
memory/5004-35-0x00007FFFF8570000-0x00007FFFF8581000-memory.dmp
memory/5004-36-0x00007FFFF8380000-0x00007FFFF83D7000-memory.dmp
memory/5004-37-0x00007FFFF8540000-0x00007FFFF8568000-memory.dmp
memory/5004-0-0x00007FFFEAC7D000-0x00007FFFEAC7F000-memory.dmp
memory/5004-22-0x00007FFFE7A80000-0x00007FFFE8B30000-memory.dmp
memory/5004-33-0x00007FFFF8480000-0x00007FFFF84E7000-memory.dmp
memory/5004-25-0x00007FFFF8BF0000-0x00007FFFF8C08000-memory.dmp
memory/5004-19-0x00007FFFF8FE0000-0x00007FFFF8FFD000-memory.dmp
memory/5004-17-0x00007FFFF9020000-0x00007FFFF9037000-memory.dmp
memory/5004-21-0x00007FFFEA7C0000-0x00007FFFEA9CB000-memory.dmp
memory/5004-13-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp
memory/5004-20-0x00007FFFF8FC0000-0x00007FFFF8FD1000-memory.dmp
memory/5004-15-0x00007FF800A30000-0x00007FF800A47000-memory.dmp
memory/5004-5-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp
memory/5004-4-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp
memory/5004-3-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp
memory/5004-12-0x00007FF800A70000-0x00007FF800AA4000-memory.dmp
memory/5004-14-0x00007FF800A50000-0x00007FF800A68000-memory.dmp
memory/5004-2-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp
memory/5004-1-0x00007FFFEA9D0000-0x00007FFFEAC86000-memory.dmp