Analysis
- user interaction
yes - max time kernel
150s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
04/11/2026, 00:17
General
- Target Payload.exe
- Size 55KB
- Sample261104-alf7zagt5k
- SHA256 4995abfc165d267f6f7631f544dc48638a3ade9afc60c627c58aeb76d7d9f319
Malware Config
Extracted
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njrat
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<- NjRAT 0.7d Horror Edition ->
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Victim
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31.tcp.cpolar.top:12892
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12541b955414128b3c68351b449382f0
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reg_key
12541b955414128b3c68351b449382f0
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splitter
Y262SUCZ4UJJ
Signatures
- Family: njRAT/Bladabindi
Widely used RAT written in .NET.
- Executes a file named after a Windows system binary 1 TTPs 2 IoCs
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
- Executes dropped EXE 3 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).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
- Kills process with taskkill 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 38 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Payload.exe"C:\Users\Admin\AppData\Local\Temp\Payload.exe"1⤵
- Executes a file named after a Windows system binary
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dllhost.exe"C:\Users\Admin\AppData\Local\Temp\dllhost.exe"2⤵
- Executes a file named after a Windows system binary
- Executes dropped EXE
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c taskkill /f /im Wireshark.exe3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Wireshark.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"cmd.exe"3⤵
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\510eb8159fc64d6397b0044781eebbd1.exe"C:\Users\Admin\AppData\Local\Temp\510eb8159fc64d6397b0044781eebbd1.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\56afff0c33a24eb2b8f931e0a92861af.exe"C:\Users\Admin\AppData\Local\Temp\56afff0c33a24eb2b8f931e0a92861af.exe"3⤵
- Executes dropped EXE
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x0000000000000500 0x00000000000005081⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
510eb8159fc64d6397b0044781eebbd1.exe
dllhost.exe
memory/4756-11-0x0000000074A00000-0x0000000075021000-memory.dmp
memory/4756-12-0x0000000074A00000-0x0000000075021000-memory.dmp
memory/4756-13-0x0000000074A00000-0x0000000075021000-memory.dmp
memory/4756-14-0x0000000074A00000-0x0000000075021000-memory.dmp
memory/4756-15-0x0000000074A00000-0x0000000075021000-memory.dmp
memory/4756-16-0x0000000074A00000-0x0000000075021000-memory.dmp
memory/4888-1-0x0000000074A02000-0x0000000074A04000-memory.dmp
memory/4888-0-0x0000000001AE0000-0x0000000001AF0000-memory.dmp
memory/5632-27-0x000000001B7B0000-0x000000001B856000-memory.dmp
memory/5632-28-0x000000001BD60000-0x000000001C22E000-memory.dmp
memory/5632-29-0x000000001C2D0000-0x000000001C36C000-memory.dmp
memory/5632-30-0x0000000001020000-0x0000000001028000-memory.dmp
memory/5632-31-0x000000001C440000-0x000000001C48C000-memory.dmp