Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 02:05

General

  • Target

    Maersk-BL-Ref0929339041333 47367282378722.scr

  • Size

    721KB

  • MD5

    3e445d904cad59a863a10f74bc98b2ad

  • SHA1

    612f9c033ed4d6ae7145cdc63cd0a8fd4790e320

  • SHA256

    e369f5e2d53c77e48bcc4bfa80301fce6480ab8e59808ddba41b7bb97ddc0823

  • SHA512

    ba55e8f16e62f253f450848e33bb9ec9ddb0b99fd18b67b7a08b04c3020ca81d28c3b3e295f4670079b70c3c127ada1e35fe7b9cba9ad1e6bea3d639b699be29

  • SSDEEP

    12288:qWET/mr9KUXJIlCTkUJdI6MRSkv+dSAXksKLKBbpht8zD9TchjeYfsVRu:qWt9JegJO6MPvMSIksj7Y39TC6Pu

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.farm-valley.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Businessvalley@2020

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr
    "C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr
      "C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"
      2⤵
        PID:2272
      • C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr
        "C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"
        2⤵
          PID:2972
        • C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr
          "C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"
          2⤵
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3000

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2308-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

              Filesize

              4KB

            • memory/2308-1-0x0000000000100000-0x00000000001BA000-memory.dmp

              Filesize

              744KB

            • memory/2308-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

              Filesize

              6.9MB

            • memory/2308-3-0x0000000000530000-0x0000000000552000-memory.dmp

              Filesize

              136KB

            • memory/2308-4-0x00000000003A0000-0x00000000003AC000-memory.dmp

              Filesize

              48KB

            • memory/2308-5-0x00000000004E0000-0x00000000004F0000-memory.dmp

              Filesize

              64KB

            • memory/2308-6-0x00000000050A0000-0x0000000005124000-memory.dmp

              Filesize

              528KB

            • memory/2308-19-0x00000000745B0000-0x0000000074C9E000-memory.dmp

              Filesize

              6.9MB

            • memory/3000-7-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-17-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-15-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-13-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/3000-9-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-10-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-8-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3000-18-0x00000000745B0000-0x0000000074C9E000-memory.dmp

              Filesize

              6.9MB

            • memory/3000-20-0x00000000745B0000-0x0000000074C9E000-memory.dmp

              Filesize

              6.9MB

            • memory/3000-21-0x00000000745B0000-0x0000000074C9E000-memory.dmp

              Filesize

              6.9MB