Analysis

  • max time kernel
    144s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2023 12:31

General

  • Target

    arrow/5d573461fbe87a4441a12b5b61a3b74019aa21a784f9cf4410e1da100a55c792.exe

  • Size

    138KB

  • MD5

    7b2ec8aedfd42a95a5994dff19115471

  • SHA1

    f51aa65fc904272a1e344a57c436ba8632065b6c

  • SHA256

    5d573461fbe87a4441a12b5b61a3b74019aa21a784f9cf4410e1da100a55c792

  • SHA512

    1f5a313bf59129967db3e6f515edb364bde5c3d66c8cd67f27f79ff65cfdd8f982a68c3934e7574709ab71608c5d877d30f8ac8dc3986dd03523d8f6ad2caada

  • SSDEEP

    3072:2bvik5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/Y+:2bv5S7BqjjYHdrqkL/

Malware Config

Extracted

Family

arrowrat

Botnet

WQ0CSG

C2

Pandorace.ddnsgeek.com:1338

Mutex

XPL7P6

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 16 IoCs
  • Suspicious use of FindShellTrayWindow 27 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\arrow\5d573461fbe87a4441a12b5b61a3b74019aa21a784f9cf4410e1da100a55c792.exe
    "C:\Users\Admin\AppData\Local\Temp\arrow\5d573461fbe87a4441a12b5b61a3b74019aa21a784f9cf4410e1da100a55c792.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1624
    • 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:1960
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:1928
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
        2⤵
          PID:336
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
          2⤵
            PID:1696
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
            2⤵
              PID:1936
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
              2⤵
                PID:316
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
                2⤵
                  PID:756
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
                  2⤵
                    PID:1528
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
                    2⤵
                      PID:1788
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
                      2⤵
                        PID:1276
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
                        2⤵
                          PID:896
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
                          2⤵
                            PID:848
                        • C:\Windows\system32\AUDIODG.EXE
                          C:\Windows\system32\AUDIODG.EXE 0x1d8
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1408

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • memory/1624-54-0x0000000000CE0000-0x0000000000D08000-memory.dmp

                          Filesize

                          160KB

                        • memory/1960-55-0x0000000003E60000-0x0000000003E61000-memory.dmp

                          Filesize

                          4KB

                        • memory/1960-56-0x0000000003E60000-0x0000000003E61000-memory.dmp

                          Filesize

                          4KB

                        • memory/1960-60-0x00000000027D0000-0x00000000027E0000-memory.dmp

                          Filesize

                          64KB