Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2024 01:02

General

  • Target

    6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe

  • Size

    752KB

  • MD5

    3937778f753e03486df93926ef8815fd

  • SHA1

    9817a28a52d59e2a8a2de93bfe6de7c87ff4ef97

  • SHA256

    6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c

  • SHA512

    a40446cc7e2b6a29ce6fba0d5d308752e1b8b33f80ba765121c5ede17fd442124ebe37215870ee3f77ed11ee424861104ec174701236b7735b34a2b1bea571dd

  • SSDEEP

    12288:vSfWWu6/AxouWA97H0c0812h4h6OpGrN1p5apVs3Y8LOj59NwtNj6Z8l5x1FOic+:v0u6/8vD97Hh081Y4hkrNGVczLOFHwtH

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

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

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe
    "C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eltOjLywy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eltOjLywy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34B7.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2792
    • C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe
      "C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe"
      2⤵
        PID:2456
      • C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe
        "C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe"
        2⤵
          PID:2764
        • C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe
          "C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe"
          2⤵
            PID:2748
          • C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe
            "C:\Users\Admin\AppData\Local\Temp\6559c8149044fde6c8d7ba12ef151a181a3635d0e5ea673cdbb65aaea3d4156c.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2444

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp34B7.tmp
          Filesize

          1KB

          MD5

          a6212765221300cf8959e441e313441c

          SHA1

          6493bf2ae0639c11eb59462a047213aa0768d7af

          SHA256

          a45a87298e1816294f6e36b7c65da6d59f578e0b1109782b294aafb90d8ab551

          SHA512

          ecb36a6362c2c537be8a37af95bbe0b70575986d1ec2138e9e186f7b1dc1bc8c3e13939bbea7608d083c93c81093003a8bae75ed8dcebe7bbf361bc2b5174d09

        • memory/2004-0-0x00000000745AE000-0x00000000745AF000-memory.dmp
          Filesize

          4KB

        • memory/2004-1-0x00000000000C0000-0x0000000000182000-memory.dmp
          Filesize

          776KB

        • memory/2004-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp
          Filesize

          6.9MB

        • memory/2004-3-0x00000000004D0000-0x00000000004F2000-memory.dmp
          Filesize

          136KB

        • memory/2004-4-0x00000000005F0000-0x0000000000600000-memory.dmp
          Filesize

          64KB

        • memory/2004-5-0x0000000004250000-0x00000000042D2000-memory.dmp
          Filesize

          520KB

        • memory/2004-25-0x00000000745A0000-0x0000000074C8E000-memory.dmp
          Filesize

          6.9MB

        • memory/2444-15-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/2444-22-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/2444-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/2444-24-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/2444-23-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/2444-19-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/2444-17-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/2444-13-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB