Analysis
- max time kernel
50s - max time network
58s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
31/10/2026, 10:06
Errors
General
- Target Payload.exe
- Size 55KB
- Sample261031-l5flbscv2k
- SHA256 822bc184466634a80f68c410015b24489a87bf0fa73d11dc966fec96254348a1
Malware Config
Signatures
- Family: njRAT/Bladabindi
Widely used RAT written in .NET.
- Adds Run key to start application 2 TTPs 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 TTPs 6 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Power Settings 1 TTPs 1 IoCs
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
- 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.
- 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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Payload.exe"C:\Users\Admin\AppData\Local\Temp\Payload.exe"1⤵
- Adds Run key to start application
- 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
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C:\Users\Admin\AppData\Local\Temp\81d18ab87470411985109f82b0ca17cc.exe"C:\Users\Admin\AppData\Local\Temp\81d18ab87470411985109f82b0ca17cc.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\Vrmy_bound.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\Vrmy_bound.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\Vrmy.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\Vrmy.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\G-BilderVirus.exe"C:\Users\Admin\AppData\Local\Temp\G-BilderVirus.exe"5⤵
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C:\Users\Admin\AppData\Local\Temp\Hacked By Vrmy.exe"C:\Users\Admin\AppData\Local\Temp\Hacked By Vrmy.exe"5⤵
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\Vrmy V2.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\Vrmy V2.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\HitDevice.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\HitDevice.exe"3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k reg delete HKCR /f4⤵
- Executes a command shell one-liner
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C:\Windows\system32\reg.exereg delete HKCR /f5⤵
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\nasm.exe"nasm.exe" -f bin mbr_temp.asm -o mbr_temp.bin4⤵
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C:\Users\Admin\AppData\Local\Temp\71da0ebd14a04de394c550b05b66794d.exe"C:\Users\Admin\AppData\Local\Temp\71da0ebd14a04de394c550b05b66794d.exe"2⤵
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /f /sc minute /mo 1 /tn "71da0ebd14a04de394c550b05b66794d" /tr "C:\Users\Admin\AppData\Roaming\71da0ebd14a04de394c550b05b66794d.exe"3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SYSTEM32\powercfg.exe"powercfg" /h off3⤵
- Power Settings
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C:\Windows\SYSTEM32\mountvol.exe"mountvol" Z: /s3⤵
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C:\Windows\SYSTEM32\mountvol.exe"mountvol" Z: /d3⤵
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C:\Users\Admin\AppData\Local\Temp\Payload.exe"C:\Users\Admin\AppData\Local\Temp\Payload.exe" ..1⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004C8 0x00000000000004E41⤵
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C:\Users\Admin\AppData\Roaming\71da0ebd14a04de394c550b05b66794d.exeC:\Users\Admin\AppData\Roaming\71da0ebd14a04de394c550b05b66794d.exe1⤵
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C:\Windows\system32\userinit.exeC:\Windows\system32\userinit.exe1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE2⤵
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
71da0ebd14a04de394c550b05b66794d.exe
81d18ab87470411985109f82b0ca17cc.exe
Hacked By Vrmy.exe
HitDevice.exe
Vrmy V2.exe
Vrmy.exe
Vrmy_bound.exe
mbr_temp.asm
mbr_temp.bin
nasm.exe
memory/932-62-0x00000000003B0000-0x00000000006F2000-memory.dmp
memory/2428-80-0x0000000000400000-0x0000000000539000-memory.dmp
memory/2952-37-0x0000000000150000-0x0000000000160000-memory.dmp
memory/3024-64-0x00007FF6C2430000-0x00007FF6C243E000-memory.dmp
memory/3316-65-0x00007FF64D8F0000-0x00007FF64D8FE000-memory.dmp
memory/3488-63-0x0000000000290000-0x00000000002DC000-memory.dmp
memory/3692-47-0x0000000000A70000-0x0000000000AA4000-memory.dmp
memory/4564-7-0x00000000745A0000-0x0000000074BC1000-memory.dmp
memory/4564-3-0x00000000745A0000-0x0000000074BC1000-memory.dmp
memory/4564-2-0x00000000745A0000-0x0000000074BC1000-memory.dmp
memory/5112-101-0x00000000001D0000-0x00000000001DA000-memory.dmp
memory/5132-8-0x00000000745A0000-0x0000000074BC1000-memory.dmp
memory/5132-0-0x00000000016B0000-0x00000000016C0000-memory.dmp
memory/5132-6-0x00000000745A0000-0x0000000074BC1000-memory.dmp
memory/5132-5-0x00000000745A2000-0x00000000745A4000-memory.dmp
memory/5132-4-0x00000000016B0000-0x00000000016C0000-memory.dmp
memory/5132-1-0x00000000745A2000-0x00000000745A4000-memory.dmp