Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2023, 07:01

General

  • Target
    360d4a0debb06e9ba478c12de3a933bd.exe
  • Size 636KB
  • Sample230712-hs7x9sdd2s
  • SHA256 ed2bfc64ba4a381ef57412a82accaa363dd54103ac7b5899718178f2fd819154
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\360d4a0debb06e9ba478c12de3a933bd.exe
    "C:\Users\Admin\AppData\Local\Temp\360d4a0debb06e9ba478c12de3a933bd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2840
    • 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\360d4a0debb06e9ba478c12de3a933bd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1568
    • C:\Users\Admin\AppData\Local\Temp\360d4a0debb06e9ba478c12de3a933bd.exe
      "C:\Users\Admin\AppData\Local\Temp\360d4a0debb06e9ba478c12de3a933bd.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3988

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_gy1a4tro.swo.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gy1a4tro.swo.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/1568-158-0x0000000002A60000-0x0000000002A70000-memory.dmp

        memory/1568-160-0x0000000002A60000-0x0000000002A70000-memory.dmp

        memory/1568-182-0x00000000078B0000-0x00000000078B8000-memory.dmp

        memory/1568-181-0x00000000078D0000-0x00000000078EA000-memory.dmp

        memory/1568-180-0x00000000077C0000-0x00000000077CE000-memory.dmp

        memory/1568-179-0x0000000007810000-0x00000000078A6000-memory.dmp

        memory/1568-176-0x0000000007600000-0x000000000760A000-memory.dmp

        memory/1568-142-0x0000000002990000-0x00000000029C6000-memory.dmp

        memory/1568-159-0x0000000006270000-0x000000000628E000-memory.dmp

        memory/1568-144-0x00000000053F0000-0x0000000005A18000-memory.dmp

        memory/1568-145-0x0000000005A20000-0x0000000005A42000-memory.dmp

        memory/1568-146-0x0000000005B80000-0x0000000005BE6000-memory.dmp

        memory/1568-175-0x000000007F6A0000-0x000000007F6B0000-memory.dmp

        memory/1568-174-0x0000000007590000-0x00000000075AA000-memory.dmp

        memory/1568-173-0x0000000007BD0000-0x000000000824A000-memory.dmp

        memory/1568-157-0x0000000002A60000-0x0000000002A70000-memory.dmp

        memory/1568-172-0x0000000006830000-0x000000000684E000-memory.dmp

        memory/1568-162-0x00000000705A0000-0x00000000705EC000-memory.dmp

        memory/1568-161-0x0000000006850000-0x0000000006882000-memory.dmp

        memory/2840-138-0x0000000005360000-0x0000000005370000-memory.dmp

        memory/2840-135-0x00000000050F0000-0x0000000005182000-memory.dmp

        memory/2840-134-0x0000000005800000-0x0000000005DA4000-memory.dmp

        memory/2840-136-0x0000000005360000-0x0000000005370000-memory.dmp

        memory/2840-133-0x00000000007E0000-0x0000000000886000-memory.dmp

        memory/2840-139-0x0000000008F40000-0x0000000008FDC000-memory.dmp

        memory/2840-137-0x00000000051A0000-0x00000000051AA000-memory.dmp

        memory/3988-143-0x00000000057F0000-0x0000000005856000-memory.dmp

        memory/3988-153-0x0000000005940000-0x0000000005950000-memory.dmp

        memory/3988-178-0x0000000007010000-0x00000000071D2000-memory.dmp

        memory/3988-140-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/3988-177-0x0000000006DF0000-0x0000000006E40000-memory.dmp

        memory/3988-184-0x0000000005940000-0x0000000005950000-memory.dmp