Overview

overview

10

Static

static

10

b931949190...6e.exe

windows10-2004-x64

10

b931949190...6e.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 17:05

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General

  • Target
    b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe
  • Size 93KB
  • Sample260810-vmarssdn41
  • SHA256 b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
potatodefense_evasiondiscoverynjratpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.7d

Botnet

  • potato

C2

  • hakim32.ddns.net:2000

  • cb4omt02w5.localto.net:10090

Mutex

  • c2f0f2a2c1797603c9710deaa5cf03d3

Attributes
  • reg_key

    c2f0f2a2c1797603c9710deaa5cf03d3

  • splitter

    |'|'|

Signatures

  • Family: njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Disables Task Manager via registry modification
    defense_evasion
  • Modifies Windows Firewall 2 TTPs 3 IoCs
    defense_evasion
  • Creates a file in the Startup directory 1 TTPs 6 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe
    "C:\Users\Admin\AppData\Local\Temp\b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe"
    1⤵
    • Creates a file in the Startup directory
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe" "b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4260
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe"
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4128
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe" "b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4912

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Execution

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Defense Evasion

        Impair Defenses

        1
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Credential Access

        Discovery

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Collection

        Command and Control

        Exfiltration

        Impact

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        Downloads

        Umbrella.flv.exe
        • Path C:\Umbrella.flv.exe
        • Size 93KB
        • SHA256 b931949190f3623eee3e16133eeb0aa44db39ac157eb3114b7bf6736b67feb6e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3284-0-0x00000000018B0000-0x00000000018C0000-memory.dmp
        Download

        memory/3284-1-0x0000000074DB2000-0x0000000074DB4000-memory.dmp
        Download

        memory/3284-33-0x00000000018B0000-0x00000000018C0000-memory.dmp
        Download

        memory/3284-34-0x0000000074DB2000-0x0000000074DB4000-memory.dmp
        Download