Analysis
- max time kernel
108s - max time network
110s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
04/11/2026, 22:25
Errors
General
- Target 876.exe
- Size 55KB
- Sample261104-2cfcvs1s3j
- SHA256 f085df515fceccbf9345c1ad962bce580c754f323230b49213fa22bf422b3b2d
Malware Config
Signatures
- Family: njRAT/Bladabindi
Widely used RAT written in .NET.
- Disables Task Manager via registry modification
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 7 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Drops file in System32 directory 2 IoCs
- Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 26 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\876.exe"C:\Users\Admin\AppData\Local\Temp\876.exe"1⤵
- Checks computer location settings
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\df36fbafa89e4dbeafae956417715901.exe"C:\Users\Admin\AppData\Local\Temp\df36fbafa89e4dbeafae956417715901.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MBR2.exe"C:\Users\Admin\AppData\Local\Temp\MBR2.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\MatrixMBR.exe"C:\Windows\System32\MatrixMBR.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\GDI.exe"C:\Users\Admin\AppData\Local\Temp\GDI.exe"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\MBR.exe"C:\Users\Admin\AppData\Local\Temp\MBR.exe"5⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x3cc 0x33c1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
GDI.exe
MBR.exe
MBR2.exe
TROLL2.exe
TROLL5.exe
df36fbafa89e4dbeafae956417715901.exe
MatrixMBR.exe
memory/1596-18-0x000000001BCC0000-0x000000001BCD0000-memory.dmp
memory/1596-17-0x0000000000D20000-0x0000000000E0C000-memory.dmp
memory/1596-19-0x000000001B930000-0x000000001BA14000-memory.dmp
memory/3152-72-0x0000000000BB0000-0x0000000000BF6000-memory.dmp
memory/3496-4-0x0000000074F70000-0x0000000075521000-memory.dmp
memory/3496-3-0x0000000074F72000-0x0000000074F74000-memory.dmp
memory/3496-0-0x00000000014C0000-0x00000000014D0000-memory.dmp
memory/3496-5-0x0000000074F70000-0x0000000075521000-memory.dmp
memory/3496-2-0x00000000014C0000-0x00000000014D0000-memory.dmp
memory/3496-1-0x0000000074F72000-0x0000000074F74000-memory.dmp
memory/3800-41-0x0000000000460000-0x000000000049A000-memory.dmp
memory/4208-73-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4832-55-0x0000000000140000-0x00000000001F8000-memory.dmp
memory/4832-56-0x0000000005300000-0x00000000058A4000-memory.dmp
memory/4832-57-0x0000000004BF0000-0x0000000004C82000-memory.dmp
memory/4832-58-0x0000000004BE0000-0x0000000004BEA000-memory.dmp
memory/4892-94-0x00000000002A0000-0x00000000002A8000-memory.dmp