Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 09:19

General

  • Target

    Scan_20231201_085902_pdf .exe

  • Size

    280KB

  • MD5

    9e60f887ca21af01d0c370a94d4e73d3

  • SHA1

    fadc53d73ba72988eeec272d0076ad6dcdd0c680

  • SHA256

    dbb832a8e39eadb4dff92c86785f16fc52682f8acfe0a831a4ce8b6a958e93ea

  • SHA512

    9be22718a4810b4e5a8b01f098b241a84824ac5cb31bf28558e581e788759cad94ff20289acf60b84ee49fa0c8b5afcf4559795e1e84cb19c38b2a60d12b3612

  • SSDEEP

    3072:oQ53wnXOm8tSA4M/msYWkVHF6++4mNMa9W6dfukJL4G5e911rIV3tQZ+vXoxltnV:oQ53COs5W3cG5eRUVRvyepzo

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mailbuilderbuilder.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Alluminio.1

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
    "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
      "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
      2⤵
        PID:2140
      • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
        "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
        2⤵
          PID:2484
        • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
          "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1928

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scan_20231201_085902_pdf .exe.log

        Filesize

        1KB

        MD5

        c3941d9fa38f1717d5cecd7a2ca71667

        SHA1

        33b5362675383b58b4166ed9f9a61e5aa6768d2e

        SHA256

        f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256

        SHA512

        98f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45

      • memory/1928-16-0x00000000052F0000-0x0000000005356000-memory.dmp

        Filesize

        408KB

      • memory/1928-15-0x00000000012E0000-0x00000000012F0000-memory.dmp

        Filesize

        64KB

      • memory/1928-20-0x0000000006A10000-0x0000000006A1A000-memory.dmp

        Filesize

        40KB

      • memory/1928-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1928-18-0x0000000006930000-0x00000000069CC000-memory.dmp

        Filesize

        624KB

      • memory/1928-17-0x0000000006840000-0x0000000006890000-memory.dmp

        Filesize

        320KB

      • memory/1928-14-0x0000000074940000-0x00000000750F0000-memory.dmp

        Filesize

        7.7MB

      • memory/1928-19-0x0000000006A70000-0x0000000006B02000-memory.dmp

        Filesize

        584KB

      • memory/1928-21-0x0000000074940000-0x00000000750F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4500-1-0x0000000074940000-0x00000000750F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4500-8-0x0000000005A40000-0x0000000005A50000-memory.dmp

        Filesize

        64KB

      • memory/4500-13-0x0000000074940000-0x00000000750F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4500-7-0x0000000074940000-0x00000000750F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4500-2-0x0000000005A40000-0x0000000005A50000-memory.dmp

        Filesize

        64KB

      • memory/4500-0-0x0000000000FD0000-0x000000000101C000-memory.dmp

        Filesize

        304KB

      • memory/4500-6-0x00000000064E0000-0x000000000652C000-memory.dmp

        Filesize

        304KB

      • memory/4500-5-0x00000000064A0000-0x00000000064E0000-memory.dmp

        Filesize

        256KB

      • memory/4500-4-0x0000000006460000-0x00000000064A0000-memory.dmp

        Filesize

        256KB

      • memory/4500-3-0x0000000006390000-0x00000000063E8000-memory.dmp

        Filesize

        352KB

      • memory/4500-9-0x0000000006B10000-0x00000000070B4000-memory.dmp

        Filesize

        5.6MB