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
    14-09-2024 01:27

General

  • Target

    7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe

  • Size

    23KB

  • MD5

    a92763f22f7cf1683f18472ab69293f9

  • SHA1

    dfd4a8a96b255804165d4d1d458cd6ccd5b4d8d9

  • SHA256

    7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be

  • SHA512

    181c1b24d6e907352836dbd4d2445e112bf949d76df3827dc477919428f21b017c0bb3f27ebe65b59c3589f2d1706f59fdb7bc444073fcb2c3f32696a5d8b003

  • SSDEEP

    384:f+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZxU1:4m+71d5XRpcnuJ1

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\7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe
    "C:\Users\Admin\AppData\Local\Temp\7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5016
    • 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:2568
      • 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:636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    23KB

    MD5

    a92763f22f7cf1683f18472ab69293f9

    SHA1

    dfd4a8a96b255804165d4d1d458cd6ccd5b4d8d9

    SHA256

    7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be

    SHA512

    181c1b24d6e907352836dbd4d2445e112bf949d76df3827dc477919428f21b017c0bb3f27ebe65b59c3589f2d1706f59fdb7bc444073fcb2c3f32696a5d8b003

  • memory/2568-12-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-14-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-15-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/5016-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp

    Filesize

    4KB

  • memory/5016-1-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/5016-2-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/5016-13-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB