Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2023 09:14

General

  • Target

    QUOTATION#231984.exe

  • Size

    1.7MB

  • MD5

    319307604d727fd2caeac236cb968b27

  • SHA1

    c0723f45066f65812092eb768f994bbea5683085

  • SHA256

    78d2c30f07aacb40da92c21af1dc660a690074ee35da707c81d06d146c631a28

  • SHA512

    d2e80e344da7129079018f853e70dc26ac5080e79c5cd437cd3d5dca8c9c8617a691fcd97bd1def266edde2de22cbfa4cccd6350dbb5ebdec9654a06783b222e

  • SSDEEP

    24576:CFJvj8ZE/OK1yhYcp/2111VD+7AB7L+KgyrrrrPrF0BMnlE6AE6nnjqKoep:C/qE/OEGh4ykODyFBnK6ejqKoep

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.code-jet.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Xec[t)4]dk2D

Signatures

  • AgentTesla

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION#231984.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION#231984.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
      2⤵
        PID:4660
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"
        2⤵
          PID:3656
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"
          2⤵
            PID:4688
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
            2⤵
              PID:2660
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
              2⤵
                PID:1456
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
                2⤵
                  PID:1228
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
                  2⤵
                    PID:4500
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
                    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
                    2⤵
                      PID:4036
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
                      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
                      2⤵
                        PID:3696
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
                        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe"
                        2⤵
                          PID:2068
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
                          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
                          2⤵
                            PID:4272
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
                            2⤵
                              PID:3132
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
                              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
                              2⤵
                                PID:1112
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"
                                2⤵
                                  PID:4392
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe
                                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe"
                                  2⤵
                                    PID:4372
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
                                    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
                                    2⤵
                                      PID:2604
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
                                      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
                                      2⤵
                                        PID:2992
                                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
                                        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
                                        2⤵
                                          PID:2976
                                        • 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
                                          • Adds Run key to start application
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Suspicious use of SetWindowsHookEx
                                          • outlook_office_path
                                          • outlook_win_path
                                          PID:2836

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/2836-135-0x0000000000400000-0x0000000000466000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2836-137-0x0000000005E10000-0x00000000063B4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2836-138-0x0000000005710000-0x0000000005776000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2836-139-0x00000000059E0000-0x00000000059F0000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/2836-140-0x0000000006F00000-0x0000000006F92000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2836-143-0x00000000070E0000-0x00000000070EA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2836-144-0x0000000007170000-0x00000000071C0000-memory.dmp

                                        Filesize

                                        320KB

                                      • memory/2836-145-0x0000000007390000-0x0000000007552000-memory.dmp

                                        Filesize

                                        1.8MB

                                      • memory/2836-146-0x00000000059E0000-0x00000000059F0000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/5052-133-0x0000024D3AAC0000-0x0000024D3AC72000-memory.dmp

                                        Filesize

                                        1.7MB

                                      • memory/5052-134-0x0000024D55220000-0x0000024D55230000-memory.dmp

                                        Filesize

                                        64KB