Analysis

  • max time kernel
    143s
  • 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 09:20

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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 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:3664
    • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
      "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
      2⤵
        PID:1188
      • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
        "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
        2⤵
          PID:4284
        • 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:4508
        • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
          "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
          2⤵
            PID:1104
          • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
            "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
            2⤵
              PID:1780

          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/3664-13-0x00000000745B0000-0x0000000074D60000-memory.dmp

            Filesize

            7.7MB

          • memory/3664-0-0x00000000004E0000-0x000000000052C000-memory.dmp

            Filesize

            304KB

          • memory/3664-2-0x0000000005000000-0x0000000005010000-memory.dmp

            Filesize

            64KB

          • memory/3664-3-0x0000000005750000-0x00000000057A8000-memory.dmp

            Filesize

            352KB

          • memory/3664-4-0x0000000005820000-0x0000000005860000-memory.dmp

            Filesize

            256KB

          • memory/3664-5-0x0000000005860000-0x00000000058A0000-memory.dmp

            Filesize

            256KB

          • memory/3664-6-0x00000000058A0000-0x00000000058EC000-memory.dmp

            Filesize

            304KB

          • memory/3664-7-0x00000000745B0000-0x0000000074D60000-memory.dmp

            Filesize

            7.7MB

          • memory/3664-8-0x0000000005000000-0x0000000005010000-memory.dmp

            Filesize

            64KB

          • memory/3664-9-0x0000000005EE0000-0x0000000006484000-memory.dmp

            Filesize

            5.6MB

          • memory/3664-1-0x00000000745B0000-0x0000000074D60000-memory.dmp

            Filesize

            7.7MB

          • memory/4508-10-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/4508-14-0x00000000745B0000-0x0000000074D60000-memory.dmp

            Filesize

            7.7MB

          • memory/4508-16-0x00000000056E0000-0x0000000005746000-memory.dmp

            Filesize

            408KB

          • memory/4508-15-0x00000000054C0000-0x00000000054D0000-memory.dmp

            Filesize

            64KB

          • memory/4508-17-0x0000000006D30000-0x0000000006D80000-memory.dmp

            Filesize

            320KB

          • memory/4508-18-0x0000000006E20000-0x0000000006EBC000-memory.dmp

            Filesize

            624KB

          • memory/4508-19-0x0000000006F60000-0x0000000006FF2000-memory.dmp

            Filesize

            584KB

          • memory/4508-20-0x0000000006F00000-0x0000000006F0A000-memory.dmp

            Filesize

            40KB

          • memory/4508-21-0x00000000745B0000-0x0000000074D60000-memory.dmp

            Filesize

            7.7MB

          • memory/4508-22-0x00000000054C0000-0x00000000054D0000-memory.dmp

            Filesize

            64KB