Analysis
- max time kernel
30s - max time network
32s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
11/11/2026, 17:42
General
- Target VoiceChanger64f.exe
- Size 1.4MB
- Sample261111-v99veaag89
- SHA256 c328d69c96ff5904aa4b99d53dc13e7f3eaea392105f9b1c2a034d129829ac36
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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xy16nq4agh.localto.net:8294
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5bd64af1d4eb96cfea1e252a1439239b
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reg_key
5bd64af1d4eb96cfea1e252a1439239b
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splitter
Y262SUCZ4UJJ
Signatures
- Family: njRAT/Bladabindi
Widely used RAT written in .NET.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\VoiceChanger64f.exe"C:\Users\Admin\AppData\Local\Temp\VoiceChanger64f.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\VoiceChanger64f(2.10).exe"C:\ProgramData\VoiceChanger64f(2.10).exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\ProgramData\VoiceChanger64.exe"C:\ProgramData\VoiceChanger64.exe"2⤵
- Executes dropped EXE
- 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:\Windows\SysWOW64\attrib.exeattrib +h "C:\ProgramData\VoiceChanger64.exe"3⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
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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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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
VoiceChanger64.exe
VoiceChanger64f(2.10).exe
LockedList.dll
System.dll
modern-wizard.bmp
nsDialogs.dll
memory/568-29-0x00000000746F2000-0x00000000746F4000-memory.dmp
memory/568-28-0x0000000001410000-0x0000000001420000-memory.dmp
memory/568-37-0x0000000001410000-0x0000000001420000-memory.dmp
memory/4328-9-0x00007FFA310C0000-0x00007FFA31A64000-memory.dmp
memory/4328-19-0x00007FFA310C0000-0x00007FFA31A64000-memory.dmp
memory/4328-21-0x00007FFA310C0000-0x00007FFA31A64000-memory.dmp
memory/4328-4-0x00007FFA310C0000-0x00007FFA31A64000-memory.dmp
memory/4328-0-0x00007FFA3124F000-0x00007FFA31250000-memory.dmp
memory/4328-2-0x00007FFA310C0000-0x00007FFA31A64000-memory.dmp
memory/4328-1-0x0000000000450000-0x00000000005BC000-memory.dmp