Analysis

  • max time kernel
    140s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2023, 19:18

General

  • Target

    ff6eb90ea94ce75c0cfdf1c5c967c41e1f467093.exe

  • Size

    37KB

  • MD5

    78f270cbab89f32c355f1b9354e74a17

  • SHA1

    ff6eb90ea94ce75c0cfdf1c5c967c41e1f467093

  • SHA256

    3a0a9c9d17e7d5ab347cf05ec50ea6a758b966859e218ed36a95eefc9a5eff2d

  • SHA512

    29d5394d7cb67a6892c217c724454a66efefcdcc0b22e91ac120956ef196066635ebc76d04c141e85eb068f4ec5e9cecc15510e7e2e1ccd5575f3915a7aef69e

  • SSDEEP

    768:tevPNqfe1TxGW+t12vXOguVQt+hEqt5RYVMb824v:ONqm1T4W+t1eXVsw+CqtfYE

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff6eb90ea94ce75c0cfdf1c5c967c41e1f467093.exe
    "C:\Users\Admin\AppData\Local\Temp\ff6eb90ea94ce75c0cfdf1c5c967c41e1f467093.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
      2⤵
        PID:5040
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
        2⤵
          PID:1044
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
          2⤵
            PID:992
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
            2⤵
              PID:5028
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe"
              2⤵
                PID:1772
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
                2⤵
                  PID:5044
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
                  2⤵
                  • Accesses Microsoft Outlook profiles
                  • Suspicious use of AdjustPrivilegeToken
                  • outlook_office_path
                  • outlook_win_path
                  PID:636

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/636-135-0x0000000000400000-0x0000000000430000-memory.dmp

                      Filesize

                      192KB

                    • memory/636-138-0x0000000005840000-0x0000000005DE4000-memory.dmp

                      Filesize

                      5.6MB

                    • memory/636-139-0x0000000005120000-0x0000000005186000-memory.dmp

                      Filesize

                      408KB

                    • memory/636-140-0x0000000006A00000-0x0000000006A92000-memory.dmp

                      Filesize

                      584KB

                    • memory/636-141-0x00000000069D0000-0x00000000069DA000-memory.dmp

                      Filesize

                      40KB

                    • memory/636-142-0x0000000006BF0000-0x0000000006C40000-memory.dmp

                      Filesize

                      320KB

                    • memory/636-143-0x0000000006E10000-0x0000000006FD2000-memory.dmp

                      Filesize

                      1.8MB

                    • memory/2436-132-0x000002921CCB0000-0x000002921CCBE000-memory.dmp

                      Filesize

                      56KB

                    • memory/2436-133-0x00007FFA4A0B0000-0x00007FFA4AB71000-memory.dmp

                      Filesize

                      10.8MB

                    • memory/2436-134-0x000002921D070000-0x000002921D078000-memory.dmp

                      Filesize

                      32KB

                    • memory/2436-137-0x00007FFA4A0B0000-0x00007FFA4AB71000-memory.dmp

                      Filesize

                      10.8MB