Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 03:51

General

  • Target
    117efcf6a3a3af167c293331a7531a46.exe
  • Size 714KB
  • Sample240504-eegx5sce21
  • 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
  • Detect ZGRat V1 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Async RAT payload 1 IoCs
  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 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\117efcf6a3a3af167c293331a7531a46.exe
    "C:\Users\Admin\AppData\Local\Temp\117efcf6a3a3af167c293331a7531a46.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4460
    • 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\117efcf6a3a3af167c293331a7531a46.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • 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:2620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AAkXVY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6496.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4036
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:3944
      • 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:3320
        • 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:4064
        • C:\Users\Admin\AppData\Roaming\1235.exe
          "C:\Users\Admin\AppData\Roaming\1235.exe"
          3⤵
          • Checks computer location settings
          • 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:2472
          • 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:1628
          • 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:612
          • 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:3084
          • 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:756
          • 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:4384
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4316
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3940

    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 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
          • MD5 SHA1 SHA512

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
          • MD5 SHA1 SHA512

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 b70d1739321034b2a2200b6f758e77c2f48224553eb7a602c02c29f32b41e073
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 5a9e4969c6cdb5d522c81ce55799effb7255c1b0a9966a936d1dc3ff8fe2112d
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 da8b533f81b342503c109e46b081b5c5296fdad5481f93fe5cc648e49ca6238e
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 3b4780cb2e226f4b05643c0b512960e694f21b35bbbe84d5c5e97628e1f8909c
          • MD5 SHA1 SHA512

          __PSScriptPolicyTest_csnch1ou.ued.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_csnch1ou.ued.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp6496.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp6496.tmp
          • Size 1KB
          • SHA256 6184bd280ccd03b8faa899d6b998d382360007f8d0e30df3d64bdfda019826e4
          • 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/1628-119-0x00000212EECD0000-0x00000212EECF2000-memory.dmp

          memory/2460-106-0x0000000007C60000-0x0000000007C68000-memory.dmp

          memory/2460-76-0x00000000709D0000-0x0000000070A1C000-memory.dmp

          memory/2460-113-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2460-103-0x0000000007B70000-0x0000000007B7E000-memory.dmp

          memory/2460-16-0x0000000005730000-0x0000000005D58000-memory.dmp

          memory/2460-21-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2460-101-0x0000000007BC0000-0x0000000007C56000-memory.dmp

          memory/2460-24-0x0000000005DD0000-0x0000000005E36000-memory.dmp

          memory/2460-25-0x0000000005EB0000-0x0000000005F16000-memory.dmp

          memory/2460-15-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2460-45-0x0000000006070000-0x00000000063C4000-memory.dmp

          memory/2460-100-0x00000000079B0000-0x00000000079BA000-memory.dmp

          memory/2460-23-0x0000000005660000-0x0000000005682000-memory.dmp

          memory/2460-89-0x0000000007940000-0x000000000795A000-memory.dmp

          memory/2460-14-0x0000000005080000-0x00000000050B6000-memory.dmp

          memory/2460-88-0x0000000007F80000-0x00000000085FA000-memory.dmp

          memory/2460-17-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2460-87-0x0000000007600000-0x00000000076A3000-memory.dmp

          memory/2460-74-0x0000000006660000-0x00000000066AC000-memory.dmp

          memory/2460-73-0x0000000006610000-0x000000000662E000-memory.dmp

          memory/2460-75-0x0000000007590000-0x00000000075C2000-memory.dmp

          memory/2460-86-0x00000000075D0000-0x00000000075EE000-memory.dmp

          memory/2472-72-0x0000000000E50000-0x0000000000E62000-memory.dmp

          memory/2620-104-0x0000000007170000-0x0000000007184000-memory.dmp

          memory/2620-18-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2620-112-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2620-90-0x00000000709D0000-0x0000000070A1C000-memory.dmp

          memory/2620-105-0x0000000007270000-0x000000000728A000-memory.dmp

          memory/2620-22-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/2620-102-0x0000000007130000-0x0000000007141000-memory.dmp

          memory/2620-19-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/3320-44-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4064-174-0x0000000007110000-0x000000000712E000-memory.dmp

          memory/4064-172-0x0000000007090000-0x0000000007106000-memory.dmp

          memory/4064-68-0x00000000007A0000-0x00000000007B6000-memory.dmp

          memory/4064-170-0x0000000006F00000-0x0000000006FE0000-memory.dmp

          memory/4064-173-0x0000000007020000-0x0000000007044000-memory.dmp

          memory/4460-8-0x00000000069D0000-0x0000000006A48000-memory.dmp

          memory/4460-6-0x0000000005760000-0x0000000005776000-memory.dmp

          memory/4460-5-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/4460-4-0x0000000005510000-0x000000000551A000-memory.dmp

          memory/4460-3-0x0000000005580000-0x0000000005612000-memory.dmp

          memory/4460-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

          memory/4460-7-0x00000000057A0000-0x00000000057B6000-memory.dmp

          memory/4460-0-0x000000007451E000-0x000000007451F000-memory.dmp

          memory/4460-48-0x0000000074510000-0x0000000074CC0000-memory.dmp

          memory/4460-9-0x0000000009110000-0x00000000091AC000-memory.dmp

          memory/4460-1-0x0000000000A50000-0x0000000000B08000-memory.dmp