Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 1 IoCs
  • Checks computer location settings 2 TTPs 7 IoCs

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

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 55 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⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2428
    • 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:4020
    • 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⤵
      • Checks computer location settings
      • Drops startup file
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:3620
        • 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:1200
        • 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⤵
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2080
          • 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:2224
          • 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⤵
            • Checks computer location settings
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3260
            • 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
              PID:4748
            • 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⤵
              • Checks computer location settings
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:380
              • 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:3724
              • 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⤵
                • Checks computer location settings
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1680
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                    PID:3996
                  • 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:1916
                  • 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⤵
                    • Checks computer location settings
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:1108
                    • 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:3844
                    • 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:1840

        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/2192-28-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2192-26-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2192-16-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2428-4-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2428-6-0x000000007478E000-0x000000007478F000-memory.dmp

          Filesize

          4KB

        • memory/2428-0-0x000000007478E000-0x000000007478F000-memory.dmp

          Filesize

          4KB

        • memory/2428-8-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2428-7-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2428-2-0x00000000056B0000-0x0000000005706000-memory.dmp

          Filesize

          344KB

        • memory/2428-1-0x0000000000EC0000-0x0000000000F20000-memory.dmp

          Filesize

          384KB

        • memory/2428-22-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/2428-19-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/4020-9-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/4020-15-0x0000000005FA0000-0x0000000006006000-memory.dmp

          Filesize

          408KB

        • memory/4020-14-0x00000000053F0000-0x0000000005408000-memory.dmp

          Filesize

          96KB

        • memory/4020-17-0x00000000065B0000-0x0000000006600000-memory.dmp

          Filesize

          320KB

        • memory/4020-18-0x00000000067B0000-0x00000000067BA000-memory.dmp

          Filesize

          40KB

        • memory/4020-13-0x0000000005470000-0x000000000550C000-memory.dmp

          Filesize

          624KB

        • memory/4020-20-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/4020-12-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/4020-11-0x0000000005190000-0x0000000005222000-memory.dmp

          Filesize

          584KB

        • memory/4020-24-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/4020-25-0x0000000074780000-0x0000000074F30000-memory.dmp

          Filesize

          7.7MB

        • memory/4020-10-0x0000000005980000-0x0000000005F24000-memory.dmp

          Filesize

          5.6MB

        • memory/4020-5-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB