Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/05/2024, 18:36

General

  • Target

    Qoutation for April and Company Profile_PDF.exe

  • Size

    361KB

  • MD5

    9c7be5184e4791e825515ab678da3d13

  • SHA1

    22fc60df7bf113fb67f349f2f23243bdc75cea19

  • SHA256

    ccf82f0f1e542d73385df3b68f7e9fdcae3d9e2a091ea879602ba287b0199203

  • SHA512

    8a67c3c0518f259fa131b44f99a5b3e1e6ffd0b8dd5bf93ab793084ed1b6cd81c9074591666e182b7ca7bf328b9051b045c54a0e4ceee9a2703804086c6bef45

  • SSDEEP

    6144:Ykkwncv0EkiluaTKtjsauEjGUajqCp7GMiQGtCd8CuLmRcCV/LIRDALNXvz:YkkPcoZWhRjGZV74tCd8CuLmRjEZA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    77.83.117.234
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    J3fP8xWq

Signatures

  • AgentTesla

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

  • AgentTesla payload 3 IoCs
  • Drops startup file 2 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 21 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2528
    • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
      2⤵
      • Drops startup file
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:2608
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2684
        • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
          "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2756
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1224
          • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
            "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2868
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              5⤵
              • Accesses Microsoft Outlook profiles
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1064
            • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
              "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
              5⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3068
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                6⤵
                • Accesses Microsoft Outlook profiles
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1732
              • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
                "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
                6⤵
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                PID:928
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                  • Accesses Microsoft Outlook profiles
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:2288
                • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
                  "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
                  7⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1812
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    8⤵
                    • Accesses Microsoft Outlook profiles
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • outlook_office_path
                    • outlook_win_path
                    PID:1780
                  • C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe
                    "C:\Users\Admin\AppData\Local\Temp\Qoutation for April and Company Profile_PDF.exe"
                    8⤵
                      PID:2976

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe

        Filesize

        364KB

        MD5

        f02c1a558757a7094e8e4273d38986c1

        SHA1

        25db8ecf8bde689727832866886b21328e95f236

        SHA256

        6a7188b7876f3a6325c5e7342587ce8c185593bfc8813018c68fac27533b9575

        SHA512

        019d15b98221b1238b97646a99124e98b5d5963ff5790d35c371219c9b7aad105adc0693605bf32f0503b9c1aa9dedbb5e8a7a16f6368641f45c5b4c0bc03025

      • memory/2528-5-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/2528-7-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/2528-9-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/2992-0-0x000000007452E000-0x000000007452F000-memory.dmp

        Filesize

        4KB

      • memory/2992-1-0x0000000000270000-0x00000000002D0000-memory.dmp

        Filesize

        384KB

      • memory/2992-2-0x0000000000700000-0x0000000000756000-memory.dmp

        Filesize

        344KB

      • memory/2992-4-0x0000000074520000-0x0000000074C0E000-memory.dmp

        Filesize

        6.9MB

      • memory/2992-10-0x0000000074520000-0x0000000074C0E000-memory.dmp

        Filesize

        6.9MB

      • memory/2992-14-0x0000000074520000-0x0000000074C0E000-memory.dmp

        Filesize

        6.9MB