Overview

overview

10

Static

static

10

x2xFapxhdTcU.exe

windows7-x64

10

x2xFapxhdTcU.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-03-2023 23:29

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General

  • Target

    x2xFapxhdTcU.exe

  • Size

    138KB

  • MD5

    f24c263ecf54962af2a2ae5e7f5b139e

  • SHA1

    ae62b6a2729f55c70e682247b1eafe09c4e03890

  • SHA256

    e37964ebdb10d9e06d3aa47b5ca1500571e13f582d50add487110c7abb26a76c

  • SHA512

    efb571f03a200b2038f19dae2866e0e68e510b84b040b3a438cf6be2850ce7305cd1635fd9bac6321a7203a35492483dffa07b0d72308c659e3e724023ae691b

  • SSDEEP

    3072:+bvB5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YI:+bvPS7BqjjYHdrqkL/

Score
10/10
arrowratjb0qwlpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

JB0QWL

C2

antgobec.duckdns.org:1338

Mutex

3PDHTO

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
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x2xFapxhdTcU.exe
    "C:\Users\Admin\AppData\Local\Temp\x2xFapxhdTcU.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2000
    • 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:1636
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" JB0QWL antgobec.duckdns.org 1338 3PDHTO
      2⤵
        PID:1404
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" JB0QWL antgobec.duckdns.org 1338 3PDHTO
        2⤵
          PID:1944
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" JB0QWL antgobec.duckdns.org 1338 3PDHTO
          2⤵
            PID:1468
        • 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:220
        • 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:4444

        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\AppCache133225325551800684.txt
          Filesize

          75KB

          MD5

          65019a5db517d9fb830d8a57406a03ea

          SHA1

          817faf2ffe8461f653519e7bd96e7ee75021c891

          SHA256

          3ae88b3a99e6b785bdb44760790bc03ac722ef5b673ad5b3ca49b5cc5eecf84f

          SHA512

          bcc985d3fa48efcbb4a334b1a341a6686ef6c69f237d6d9bdcd9885696d148519ab824b9150194d783cb03189c1cc00a483f1b73ebce323f1f6a303a05b8ea62

          Download Submit

        • memory/1468-143-0x00000000068C0000-0x0000000006910000-memory.dmp

          Filesize

          320KB

          Download

        • memory/1468-137-0x00000000057F0000-0x0000000005882000-memory.dmp

          Filesize

          584KB

          Download

        • memory/1468-138-0x0000000005890000-0x000000000592C000-memory.dmp

          Filesize

          624KB

          Download

        • memory/1468-139-0x0000000006080000-0x0000000006624000-memory.dmp

          Filesize

          5.6MB

          Download

        • memory/1468-140-0x0000000006000000-0x0000000006066000-memory.dmp

          Filesize

          408KB

          Download

        • memory/1468-144-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/1468-134-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

          Download

        • memory/1468-292-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/1636-147-0x0000000002D70000-0x0000000002D71000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2000-133-0x0000024E7B560000-0x0000024E7B588000-memory.dmp

          Filesize

          160KB

          Download

        • memory/4444-154-0x0000017B22AD0000-0x0000017B22AF0000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4444-157-0x0000017B22A90000-0x0000017B22AB0000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4444-159-0x0000017B22EE0000-0x0000017B22F00000-memory.dmp

          Filesize

          128KB

          Download