Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2024, 18:33

General

  • Target
    0c7db201069bf8d9265ddb14bab60973ef69bd3b399919700f66f1fcfac625da.exe
  • Size 113KB
  • Sample240926-w6895svake
  • SHA256 0c7db201069bf8d9265ddb14bab60973ef69bd3b399919700f66f1fcfac625da
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • neuf

C2
  • doddyfire.linkpc.net:10000

Mutex
  • e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

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

  • 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.

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c7db201069bf8d9265ddb14bab60973ef69bd3b399919700f66f1fcfac625da.exe
    "C:\Users\Admin\AppData\Local\Temp\0c7db201069bf8d9265ddb14bab60973ef69bd3b399919700f66f1fcfac625da.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4128
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        chargeable.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
        • Size 400B
        • SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
        • MD5 SHA1 SHA512

        chargeable.exe

        • Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        • Size 113KB
        • SHA256 2b0ce79024538bf2f966733af6c3781ca6132afb99692d60a266141b9f671f76
        • MD5 SHA1 SHA512 SSDEEP

        memory/2164-29-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/2164-21-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/2164-22-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/2164-23-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4128-24-0x0000000000400000-0x000000000040C000-memory.dmp

        memory/4128-32-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4128-31-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4128-30-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4128-28-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/5088-7-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/5088-19-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/5088-20-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/5088-0-0x00000000748D2000-0x00000000748D3000-memory.dmp

        memory/5088-6-0x00000000748D2000-0x00000000748D3000-memory.dmp

        memory/5088-2-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/5088-1-0x00000000748D0000-0x0000000074E81000-memory.dmp