Overview

overview

10

Static

static

10

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2023 00:59

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General

  • Target

    file.exe

  • Size

    158KB

  • MD5

    1a6204ba18ed28ba84ae8a3299602bc8

  • SHA1

    ca32927f6e8d86e326fda075f096b16fae482c88

  • SHA256

    90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a

  • SHA512

    375d332c572066e9296b8f87a0bf62309db02f6f82dc91c300099e3d7e3a004a9987b88c58ff1114fcf6588d960ef41b296eaed69db1a5cc0b8b78c7f546641c

  • SSDEEP

    3072:gbzZDH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPjSO8Y:gbzZDe0ODhTEPgnjuIJzo+PPcfPjN8

Score
10/10
arrowratclientpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

3.142.167.4:14894

Mutex

LFqZKjDAo

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 33 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4320
    • 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:2904
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 3.142.167.4 14894 LFqZKjDAo
      2⤵
        PID:1416
    • 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:1396
    • 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:4360

    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\AppCache133316963518117981.txt
      Filesize

      75KB

      MD5

      65019a5db517d9fb830d8a57406a03ea

      SHA1

      817faf2ffe8461f653519e7bd96e7ee75021c891

      SHA256

      3ae88b3a99e6b785bdb44760790bc03ac722ef5b673ad5b3ca49b5cc5eecf84f

      SHA512

      bcc985d3fa48efcbb4a334b1a341a6686ef6c69f237d6d9bdcd9885696d148519ab824b9150194d783cb03189c1cc00a483f1b73ebce323f1f6a303a05b8ea62

      Download Submit

    • C:\Users\Admin\AppData\Roaming\temp0923
      Filesize

      10B

      MD5

      153734bf048c6f9a651fe078a64cfcd9

      SHA1

      9e542bb1da4f8c4dabd0fc38e1a934350ff69326

      SHA256

      54cc528f19a17c7ce64f4e3c3bb925debef4f092046cdb7834572854f8804735

      SHA512

      1fcf304c56e181ae6772140f7e6d7f4869fb6f8976beef2048f7f6ffc90a3fed82cb045b4bd1bfa82e799bf3fb540e4a51ee273cb32e1d2c88a82f32f50d37cf

      Download Submit

    • memory/1416-140-0x00000000056D0000-0x0000000005736000-memory.dmp

      Filesize

      408KB

      Download

    • memory/1416-137-0x0000000004F50000-0x0000000004FEC000-memory.dmp

      Filesize

      624KB

      Download

    • memory/1416-138-0x0000000005790000-0x0000000005D34000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/1416-139-0x0000000004F40000-0x0000000004F50000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1416-143-0x0000000005F40000-0x0000000005F90000-memory.dmp

      Filesize

      320KB

      Download

    • memory/1416-136-0x0000000004E10000-0x0000000004EA2000-memory.dmp

      Filesize

      584KB

      Download

    • memory/1416-134-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

      Download

    • memory/1416-310-0x0000000004F40000-0x0000000004F50000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2904-148-0x0000000002D90000-0x0000000002D91000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4320-133-0x0000017D8EB90000-0x0000017D8EBBE000-memory.dmp

      Filesize

      184KB

      Download

    • memory/4360-155-0x000001FF702A0000-0x000001FF702C0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4360-157-0x000001FF70260000-0x000001FF70280000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4360-159-0x000001FF70670000-0x000001FF70690000-memory.dmp

      Filesize

      128KB

      Download