Analysis

  • max time kernel
    128s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2024 01:34

General

  • Target

    63ab8bad7e72c1c4044743b0de2efd791a4f9bf12e85b2bd973b7309d50eafc8.exe

  • Size

    138KB

  • MD5

    4b1ce3fe71b14c655755251616d61766

  • SHA1

    9941994468ad58962f5063ae0d1998790b577744

  • SHA256

    63ab8bad7e72c1c4044743b0de2efd791a4f9bf12e85b2bd973b7309d50eafc8

  • SHA512

    dd87f5d2bb7a4a903981de9156e6249c514b138747300ceb84bf0e230c38010a34f51df17717b73c5e9dece2524c61ffcbe4015ec0b59e85c477aeb92d9530ae

  • SSDEEP

    3072:qbvF5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YM:qbvzS7BqjjYHdrqkL/

Malware Config

Extracted

Family

arrowrat

Botnet

SUB70F

C2

instruments-george.gl.at.ply.gg:12129

Mutex

58PJXL

Signatures

  • ArrowRat

    Remote access tool with various capabilities first seen in late 2021.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\63ab8bad7e72c1c4044743b0de2efd791a4f9bf12e85b2bd973b7309d50eafc8.exe
    "C:\Users\Admin\AppData\Local\Temp\63ab8bad7e72c1c4044743b0de2efd791a4f9bf12e85b2bd973b7309d50eafc8.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:2736
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
        2⤵
          PID:2312
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
          2⤵
            PID:2812
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
            2⤵
              PID:2988
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
              2⤵
                PID:2740
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
                2⤵
                  PID:2716
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
                  2⤵
                    PID:2976
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
                    2⤵
                      PID:2840
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
                      2⤵
                        PID:2592
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
                        2⤵
                          PID:2704
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" SUB70F instruments-george.gl.at.ply.gg 12129 58PJXL
                          2⤵
                            PID:2864

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/2376-3-0x0000000003F60000-0x0000000003F61000-memory.dmp

                          Filesize

                          4KB

                        • memory/2376-4-0x0000000003F60000-0x0000000003F61000-memory.dmp

                          Filesize

                          4KB

                        • memory/2376-8-0x0000000002650000-0x0000000002660000-memory.dmp

                          Filesize

                          64KB

                        • memory/2412-0-0x0000000000380000-0x00000000003A8000-memory.dmp

                          Filesize

                          160KB

                        • memory/2412-1-0x000007FEF59D0000-0x000007FEF63BC000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/2412-2-0x000007FEF59D0000-0x000007FEF63BC000-memory.dmp

                          Filesize

                          9.9MB