Analysis

  • max time kernel
    127s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2025 15:11

General

  • Target

    79ec7c271adcd148064e5324c66d8ea9c1eefd81c44bde7c9ca754f4fb9d80b3.exe

  • Size

    158KB

  • MD5

    7e139460393ef5092b11eff0adbd46f8

  • SHA1

    5ae92024865a0a52f76898327780e21304d3e35f

  • SHA256

    79ec7c271adcd148064e5324c66d8ea9c1eefd81c44bde7c9ca754f4fb9d80b3

  • SHA512

    a852f02e3528ec4bfa3de2aae232acf7a78474303b6221c64965a3eaec55a7e4636cb2fad2e936346dc5e374ec589406b99a68b390dd19a7d1f63b7821fe19ae

  • SSDEEP

    3072:MbztH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPWOO8Y:Mbzte0ODhTEPgnjuIJzo+PPcfPWB8

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

192.168.1.222:1337

Mutex

gWyxhRMMH

Signatures

  • ArrowRat

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

  • Arrowrat family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 49 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\79ec7c271adcd148064e5324c66d8ea9c1eefd81c44bde7c9ca754f4fb9d80b3.exe
    "C:\Users\Admin\AppData\Local\Temp\79ec7c271adcd148064e5324c66d8ea9c1eefd81c44bde7c9ca754f4fb9d80b3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:2116
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
        2⤵
          PID:3056
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
          2⤵
            PID:2788
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
            2⤵
              PID:1700
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
              2⤵
                PID:2864
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
                2⤵
                  PID:2892
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
                  2⤵
                    PID:2816
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
                    2⤵
                      PID:2916
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
                      2⤵
                        PID:2652
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
                        2⤵
                          PID:1656
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH
                          2⤵
                            PID:2868
                          • C:\Windows\system32\WerFault.exe
                            C:\Windows\system32\WerFault.exe -u -p 2852 -s 664
                            2⤵
                              PID:2692

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • memory/2760-5-0x0000000002B60000-0x0000000002B70000-memory.dmp

                            Filesize

                            64KB

                          • memory/2852-0-0x000007FEF5543000-0x000007FEF5544000-memory.dmp

                            Filesize

                            4KB

                          • memory/2852-1-0x00000000011D0000-0x00000000011FE000-memory.dmp

                            Filesize

                            184KB