Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 13:59

General

  • Target

    b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe

  • Size

    23KB

  • MD5

    71fcfb513538ed981068a2471ccdd94e

  • SHA1

    9c005883e25b4af9f7863d39acc06b94ac4b5342

  • SHA256

    b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db

  • SHA512

    0ba953e72d793ad15ae6f4fcb8a596624dc33cda12f3284b3f65b15186883bac78f84ce3714bf0936c5a6027bf08dfd5086443990bdeac7db8db1591e022a32a

  • SSDEEP

    384:6Gwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZCRW:eTbC81NgRpcnufE

Malware Config

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 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 3 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 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe
    "C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    23KB

    MD5

    71fcfb513538ed981068a2471ccdd94e

    SHA1

    9c005883e25b4af9f7863d39acc06b94ac4b5342

    SHA256

    b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db

    SHA512

    0ba953e72d793ad15ae6f4fcb8a596624dc33cda12f3284b3f65b15186883bac78f84ce3714bf0936c5a6027bf08dfd5086443990bdeac7db8db1591e022a32a

  • memory/1032-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp

    Filesize

    4KB

  • memory/1032-1-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/1032-2-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/1032-13-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/3392-12-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/3392-15-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/3392-14-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/3392-16-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB