Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/05/2024, 00:00

General

  • Target
    4eedc7ed6ade620eef8eb160d18518afc9c59eb262baf8a9fdbe758fb611b6f0.exe
  • Size 714KB
  • Sample240504-aal9vagg7y
  • SHA256 4eedc7ed6ade620eef8eb160d18518afc9c59eb262baf8a9fdbe758fb611b6f0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 127.0.0.1:7000

  • 45.61.150.201:7000

  • beshomandotestbesnd.run.place:7000

Mutex
  • yolgBkNEg1jvKfWQ

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

aes.plain

Extracted

Family
  • asyncrat

Version
  • | Edit 3LOSH RAT

Botnet
  • Default

C2
  • 127.0.0.1:6606

  • 127.0.0.1:7707

  • 127.0.0.1:8808

  • 45.61.150.201:6606

  • 45.61.150.201:7707

  • 45.61.150.201:8808

  • beshomandotestbesnd.run.place:6606

  • beshomandotestbesnd.run.place:7707

  • beshomandotestbesnd.run.place:8808

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    mstc.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Async RAT payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 32 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\4eedc7ed6ade620eef8eb160d18518afc9c59eb262baf8a9fdbe758fb611b6f0.exe
    "C:\Users\Admin\AppData\Local\Temp\4eedc7ed6ade620eef8eb160d18518afc9c59eb262baf8a9fdbe758fb611b6f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4eedc7ed6ade620eef8eb160d18518afc9c59eb262baf8a9fdbe758fb611b6f0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AAkXVY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AAkXVY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75EB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3700
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\Users\Admin\AppData\Roaming\456.exe
        "C:\Users\Admin\AppData\Roaming\456.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2620
      • C:\Users\Admin\AppData\Roaming\1235.exe
        "C:\Users\Admin\AppData\Roaming\1235.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\1235.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3836
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1235.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4456
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3012
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2364
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
          4⤵
          • Creates scheduled task(s)
          PID:3876
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1476
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1312
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        XClient.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
        • Size 654B
        • SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 c31161f94d124bd8865f12085f66caf22dcc11a652f3a3172737c646803aba33
        • MD5 SHA1 SHA512 SSDEEP

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 d0af6d69f8bc0c98e9fb61dead6327bbc8b4f5292529313515382d8f883de0da
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 ea4dc50aed58e87ac52256baeff6d544321784a74677621eab5da413507ddfe8
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 c85c7915e0bcc6cc3d7dd2f6b9d9e4f9a3cf0ccefa043b1c500facac8428bfd5
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_ypac4pix.3zh.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ypac4pix.3zh.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp75EB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp75EB.tmp
        • Size 1KB
        • SHA256 4bda217438740d20e5369ba0276bcc4ad254ef63266550ac47b21c476551df6d
        • MD5 SHA1 SHA512

        1235.exe

        • Path C:\Users\Admin\AppData\Roaming\1235.exe
        • Size 45KB
        • SHA256 43c64c73dd3c842f74cab39fa0cc143257153526bcf1082d342b49b646aa092f
        • MD5 SHA1 SHA512 SSDEEP

        456.exe

        • Path C:\Users\Admin\AppData\Roaming\456.exe
        • Size 63KB
        • SHA256 88ed39de9e35cc70b974169312d2cce08c56f113fe617cbbd196842b9ff290c2
        • MD5 SHA1 SHA512 SSDEEP

        memory/280-67-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

        memory/1460-31-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1684-68-0x00000000068A0000-0x00000000068BE000-memory.dmp

        memory/1684-98-0x0000000007F50000-0x0000000007F6A000-memory.dmp

        memory/1684-19-0x0000000005A00000-0x0000000005A22000-memory.dmp

        memory/1684-32-0x00000000064A0000-0x00000000067F7000-memory.dmp

        memory/1684-15-0x0000000074810000-0x0000000074FC1000-memory.dmp

        memory/1684-16-0x0000000074810000-0x0000000074FC1000-memory.dmp

        memory/1684-17-0x0000000005DB0000-0x00000000063DA000-memory.dmp

        memory/1684-18-0x0000000074810000-0x0000000074FC1000-memory.dmp

        memory/1684-105-0x0000000074810000-0x0000000074FC1000-memory.dmp

        memory/1684-21-0x0000000005B80000-0x0000000005BE6000-memory.dmp

        memory/1684-20-0x0000000005AA0000-0x0000000005B06000-memory.dmp

        memory/1684-97-0x0000000007E50000-0x0000000007E65000-memory.dmp

        memory/1684-96-0x0000000007E40000-0x0000000007E4E000-memory.dmp

        memory/1684-14-0x00000000030B0000-0x00000000030E6000-memory.dmp

        memory/1684-95-0x0000000007E10000-0x0000000007E21000-memory.dmp

        memory/1684-69-0x0000000006E60000-0x0000000006EAC000-memory.dmp

        memory/1684-77-0x00000000750C0000-0x000000007510C000-memory.dmp

        memory/1684-94-0x0000000007E90000-0x0000000007F26000-memory.dmp

        memory/1684-70-0x0000000007880000-0x00000000078B4000-memory.dmp

        memory/1684-93-0x0000000007C80000-0x0000000007C8A000-memory.dmp

        memory/1684-90-0x0000000007AC0000-0x0000000007B64000-memory.dmp

        memory/2620-57-0x0000000000F80000-0x0000000000F96000-memory.dmp

        memory/2700-99-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

        memory/2700-91-0x00000000080A0000-0x000000000871A000-memory.dmp

        memory/2700-71-0x00000000750C0000-0x000000007510C000-memory.dmp

        memory/2700-92-0x0000000007A60000-0x0000000007A7A000-memory.dmp

        memory/2700-89-0x0000000007910000-0x000000000792E000-memory.dmp

        memory/2924-2-0x00000000053F0000-0x0000000005996000-memory.dmp

        memory/2924-42-0x0000000074810000-0x0000000074FC1000-memory.dmp

        memory/2924-4-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

        memory/2924-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

        memory/2924-1-0x0000000000390000-0x0000000000448000-memory.dmp

        memory/2924-9-0x0000000008E90000-0x0000000008F2C000-memory.dmp

        memory/2924-0-0x000000007481E000-0x000000007481F000-memory.dmp

        memory/2924-8-0x0000000006820000-0x0000000006898000-memory.dmp

        memory/2924-7-0x0000000006550000-0x0000000006566000-memory.dmp

        memory/2924-6-0x0000000006510000-0x0000000006526000-memory.dmp

        memory/2924-5-0x0000000074810000-0x0000000074FC1000-memory.dmp

        memory/3836-111-0x000001D2F0470000-0x000001D2F0492000-memory.dmp