Overview

overview

10

Static

static

10

222.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 13:21

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General

  • Target

    222.exe

  • Size

    158KB

  • MD5

    33f8a804c6a9d56f967e800fa70b1f2a

  • SHA1

    9d36c0fed1bc6ba0c3ef38531c5ae244d96b4324

  • SHA256

    4d7043e2fd82d12352a29ae4d80a6ad1fc32c31f0e09c5d0404ecbd5595235d0

  • SHA512

    5888d7395a60f80b95449c851f171b9d9deaba00a37cc79b952b7fd5f02faf0090742ce5e8bcb71998f97819cedf40d8014bd943df9e8fabfa79804b8fdd7c64

  • SSDEEP

    3072:LbzpL+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfP20O8Y:LbzpC0ODhTEPgnjuIJzo+PPcfP2z8

Score
10/10
arrowratclientpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

agreement-horse.gl.at.ply.gg:19537

Mutex

WBrYArvMT

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 2 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 Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\222.exe
    "C:\Users\Admin\AppData\Local\Temp\222.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4580
    • 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:4604
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client agreement-horse.gl.at.ply.gg 19537 WBrYArvMT
      2⤵
        PID:4512
    • 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:2676
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3140

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133625857351185383.txt
      Filesize

      75KB

      MD5

      79ea60e4feeffe4483ba2d0ea61852fb

      SHA1

      7d5921a1b6240cc717ad4f4478bbcfc42f3af8e8

      SHA256

      1e85f6cd486b20682b1a6af9f34e7993a558f3b5dccd1e80a55178847e794923

      SHA512

      4d0866c2b63af9570fa20bca628a6e67b3704d7ab5a8a1311fb614f38b54444cc6630390092282f075751cae38000a17e4bf1cb992a8900b0c72965c0b24dbf4

      Download Submit

    • memory/3140-17-0x00000167125B0000-0x00000167126B0000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/3140-33-0x0000016F143D0000-0x0000016F143F0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3140-49-0x0000016F14AE0000-0x0000016F14B00000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3140-20-0x0000016F14720000-0x0000016F14740000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3140-15-0x00000167125B0000-0x00000167126B0000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4512-4-0x0000000005840000-0x00000000058D2000-memory.dmp

      Filesize

      584KB

      Download

    • memory/4512-7-0x00000000065E0000-0x0000000006646000-memory.dmp

      Filesize

      408KB

      Download

    • memory/4512-10-0x00000000068E0000-0x0000000006930000-memory.dmp

      Filesize

      320KB

      Download

    • memory/4512-6-0x0000000006030000-0x00000000065D4000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/4512-5-0x00000000058E0000-0x000000000597C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/4512-2-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

      Download

    • memory/4580-0-0x000001F360CD0000-0x000001F360CFE000-memory.dmp

      Filesize

      184KB

      Download

    • memory/4580-3-0x00007FF982970000-0x00007FF983431000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4580-1-0x00007FF982973000-0x00007FF982975000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4580-187-0x00007FF982970000-0x00007FF983431000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4604-13-0x0000000002890000-0x0000000002891000-memory.dmp

      Filesize

      4KB

      Download