Overview

overview

10

Static

static

10

arrow/0caa...bd.exe

windows7-x64

10

arrow/0caa...bd.exe

windows10-2004-x64

10

arrow/150c...0a.exe

windows7-x64

10

arrow/150c...0a.exe

windows10-2004-x64

10

arrow/17a7...ff.exe

windows7-x64

10

arrow/17a7...ff.exe

windows10-2004-x64

10

arrow/2380...0c.exe

windows7-x64

10

arrow/2380...0c.exe

windows10-2004-x64

10

arrow/2fb8...ee.exe

windows7-x64

3

arrow/2fb8...ee.exe

windows10-2004-x64

7

arrow/3dbd...fb.exe

windows7-x64

10

arrow/3dbd...fb.exe

windows10-2004-x64

10

arrow/4a09...07.exe

windows7-x64

10

arrow/4a09...07.exe

windows10-2004-x64

10

arrow/4c4d...a5.exe

windows7-x64

3

arrow/4c4d...a5.exe

windows10-2004-x64

7

arrow/54a0...24.exe

windows7-x64

10

arrow/54a0...24.exe

windows10-2004-x64

10

arrow/59a7...8c.exe

windows7-x64

10

arrow/59a7...8c.exe

windows10-2004-x64

10

arrow/5a45...7c.exe

windows7-x64

10

arrow/5a45...7c.exe

windows10-2004-x64

10

arrow/5d57...92.exe

windows7-x64

10

arrow/5d57...92.exe

windows10-2004-x64

10

arrow/6540...5e.exe

windows7-x64

10

arrow/6540...5e.exe

windows10-2004-x64

10

arrow/8a3d...bc.exe

windows7-x64

10

arrow/8a3d...bc.exe

windows10-2004-x64

10

arrow/a192...71.exe

windows7-x64

10

arrow/a192...71.exe

windows10-2004-x64

7

arrow/b20d...3f.exe

windows7-x64

10

arrow/b20d...3f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    138s
  • max time network
    31s
  • 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

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General

  • Target

    arrow/150c06bc4cba9064302fb96f2b3565f433b43847b6d59448ce15b9024e6c9b0a.exe

  • Size

    138KB

  • MD5

    a771f2894d94322a49b0ce2e14493a3e

  • SHA1

    63cd63601410fe6be499a9102cbbd6c675e72f56

  • SHA256

    150c06bc4cba9064302fb96f2b3565f433b43847b6d59448ce15b9024e6c9b0a

  • SHA512

    ab75a88fbc2a8fd5320fdddb525af9a70c3553fa33b967545d4491a0ecd2e24869caeea49fdd7324d4ed666c42b8f5444c474056dddda0746af135bb97478765

  • SSDEEP

    3072:6bvA5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/Yd:6bv4S7BqjjYHdrqkL/

Score
10/10
arrowratag35pwpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

AG35PW

C2

androidmedallo.duckdns.org:1338

Mutex

ZD2651

Signatures

  • ArrowRat

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

    ratarrowrat
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\arrow\150c06bc4cba9064302fb96f2b3565f433b43847b6d59448ce15b9024e6c9b0a.exe
    "C:\Users\Admin\AppData\Local\Temp\arrow\150c06bc4cba9064302fb96f2b3565f433b43847b6d59448ce15b9024e6c9b0a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • 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:1188
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:1992
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
        2⤵
          PID:2028
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
          2⤵
            PID:1636
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
            2⤵
              PID:1420
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
              2⤵
                PID:1368
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
                2⤵
                  PID:532
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
                  2⤵
                    PID:1540
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
                    2⤵
                      PID:292
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
                      2⤵
                        PID:1232
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
                        2⤵
                          PID:776
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" AG35PW androidmedallo.duckdns.org 1338 ZD2651
                          2⤵
                            PID:1112
                        • C:\Windows\system32\AUDIODG.EXE
                          C:\Windows\system32\AUDIODG.EXE 0x184
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1528

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • memory/1188-56-0x0000000003C60000-0x0000000003C61000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/1188-57-0x0000000003C60000-0x0000000003C61000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/1188-61-0x00000000026F0000-0x0000000002700000-memory.dmp

                          Filesize

                          64KB

                          Download

                        • memory/2040-54-0x0000000000ED0000-0x0000000000EF8000-memory.dmp

                          Filesize

                          160KB

                          Download