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
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2023 12:31

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General

  • Target

    arrow/2380ff875da958af3a345764860a8d70761bdc4f9feb20c1b183a83b9cae1b0c.exe

  • Size

    138KB

  • MD5

    e22c97f1931fdec29962ae778c5b44c3

  • SHA1

    7b0587f698a12619a735ce2536ec6a298ac92874

  • SHA256

    2380ff875da958af3a345764860a8d70761bdc4f9feb20c1b183a83b9cae1b0c

  • SHA512

    6f65b90401c650f66e22fb65c176edf73c09ef0bc0a34f7ee761fb984032e975cc3835dcdb22bc3d62c99678ad7a03b0fcbeb8dd679728ce49d035763c49c309

  • SSDEEP

    3072:2bvt5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/Y0:2bv7S7BqjjYHdrqkL/

Score
10/10
arrowraty905dcpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

Y905DC

C2

windowsii.duckdns.org:1338

Mutex

QTZ3XG

Signatures

  • ArrowRat

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

    ratarrowrat
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\arrow\2380ff875da958af3a345764860a8d70761bdc4f9feb20c1b183a83b9cae1b0c.exe
    "C:\Users\Admin\AppData\Local\Temp\arrow\2380ff875da958af3a345764860a8d70761bdc4f9feb20c1b183a83b9cae1b0c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Y905DC windowsii.duckdns.org 1338 QTZ3XG
      2⤵
        PID:3576
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4452
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4812

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133277369502482310.txt
      Filesize

      75KB

      MD5

      65019a5db517d9fb830d8a57406a03ea

      SHA1

      817faf2ffe8461f653519e7bd96e7ee75021c891

      SHA256

      3ae88b3a99e6b785bdb44760790bc03ac722ef5b673ad5b3ca49b5cc5eecf84f

      SHA512

      bcc985d3fa48efcbb4a334b1a341a6686ef6c69f237d6d9bdcd9885696d148519ab824b9150194d783cb03189c1cc00a483f1b73ebce323f1f6a303a05b8ea62

      Download Submit

    • memory/1316-133-0x000001E213690000-0x000001E2136B8000-memory.dmp

      Filesize

      160KB

      Download

    • memory/1884-147-0x0000000003270000-0x0000000003271000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3576-142-0x00000000065E0000-0x0000000006630000-memory.dmp

      Filesize

      320KB

      Download

    • memory/3576-138-0x0000000005DA0000-0x0000000006344000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/3576-139-0x0000000005D20000-0x0000000005D86000-memory.dmp

      Filesize

      408KB

      Download

    • memory/3576-137-0x0000000005650000-0x00000000056EC000-memory.dmp

      Filesize

      624KB

      Download

    • memory/3576-144-0x0000000001A50000-0x0000000001A60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3576-136-0x0000000005580000-0x0000000005612000-memory.dmp

      Filesize

      584KB

      Download

    • memory/3576-134-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

      Download

    • memory/3576-291-0x0000000001A50000-0x0000000001A60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4812-153-0x000001CBF8A40000-0x000001CBF8A60000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4812-155-0x000001CBF8A00000-0x000001CBF8A20000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4812-157-0x000001CBF8E00000-0x000001CBF8E20000-memory.dmp

      Filesize

      128KB

      Download