Overview

overview

10

Static

static

10

72cabad77d...7e.exe

windows7-x64

10

72cabad77d...7e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 02:33

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General

  • Target

    72cabad77d69e7701af2d31218ac4b7e.exe

  • Size

    158KB

  • MD5

    72cabad77d69e7701af2d31218ac4b7e

  • SHA1

    e781c9c87a30163cdef9b5f6f419c27f26e8f271

  • SHA256

    7f8cb35c0290b33bcb49876680340b63061a3fc1558c372a42d87ec21c03ed66

  • SHA512

    709ad82ff09dc32dac22e8aa431833b885f8df4a2e61279fde90b7dad771d55b9a318372d645b8538dee0fdb4aeaed36c1408be00f27c102734aad8bb83a067c

  • SSDEEP

    3072:LbzQH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPjBO8Y:LbzQe0ODhTEPgnjuIJzo+PPcfPjM8

Score
10/10
arrowratclientpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

single-point.gl.at.ply.gg:48752

Mutex

NuBrONaJi

Signatures

  • ArrowRat

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

    ratarrowrat
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    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 33 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 24 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\72cabad77d69e7701af2d31218ac4b7e.exe
    "C:\Users\Admin\AppData\Local\Temp\72cabad77d69e7701af2d31218ac4b7e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2612
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client single-point.gl.at.ply.gg 48752 NuBrONaJi
      2⤵
        PID:4604
    • 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:1940
    • 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:4488

    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\AppCache133644476529599986.txt
      Filesize

      75KB

      MD5

      79ea60e4feeffe4483ba2d0ea61852fb

      SHA1

      7d5921a1b6240cc717ad4f4478bbcfc42f3af8e8

      SHA256

      1e85f6cd486b20682b1a6af9f34e7993a558f3b5dccd1e80a55178847e794923

      SHA512

      4d0866c2b63af9570fa20bca628a6e67b3704d7ab5a8a1311fb614f38b54444cc6630390092282f075751cae38000a17e4bf1cb992a8900b0c72965c0b24dbf4

      Download Submit

    • memory/2036-1-0x00007FF982973000-0x00007FF982975000-memory.dmp

      Filesize

      8KB

      Download

    • memory/2036-0-0x0000017E7DCC0000-0x0000017E7DCEE000-memory.dmp

      Filesize

      184KB

      Download

    • memory/2612-12-0x00000000033E0000-0x00000000033E1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4488-15-0x000001AD94040000-0x000001AD94140000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4488-26-0x000001AD95150000-0x000001AD95170000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4488-40-0x000001AD95560000-0x000001AD95580000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4488-14-0x000001AD94040000-0x000001AD94140000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4488-19-0x000001AD95190000-0x000001AD951B0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4604-3-0x0000000005650000-0x00000000056E2000-memory.dmp

      Filesize

      584KB

      Download

    • memory/4604-9-0x0000000006670000-0x00000000066C0000-memory.dmp

      Filesize

      320KB

      Download

    • memory/4604-6-0x0000000005DC0000-0x0000000005E26000-memory.dmp

      Filesize

      408KB

      Download

    • memory/4604-5-0x0000000006070000-0x0000000006614000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/4604-4-0x00000000056F0000-0x000000000578C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/4604-2-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

      Download