Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:02

General

  • Target

    Payment details.exe

  • Size

    777KB

  • MD5

    1a27787328335454dd7088c23d47b857

  • SHA1

    49bbde3ef989a9c4c43a4ca026cfc632fcab5136

  • SHA256

    583d249d488a67e338a0bbd3c03d3967fc179e226031bebde9b0913c889c70ac

  • SHA512

    faae3d7056387d240f4bcdb7a03deef3a440d96fc4dc34c6a41c61610f4d676b8afafa6862bb46ec658cb4a9f58c85e5ec566210bd165928674be690240141c5

  • SSDEEP

    12288:3GHhkZ548EdxclMGYCeqflEGhBZ1ZmfMAeiOMK0sXoe1ptHWOj:3uK/pixVGTNvZjl0Gl1n

Malware Config

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
      2⤵
        PID:2768
      • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
        2⤵
          PID:1888
        • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1764

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1764-18-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-15-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-8-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-21-0x0000000074B50000-0x000000007523E000-memory.dmp

        Filesize

        6.9MB

      • memory/1764-9-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-19-0x0000000074B50000-0x000000007523E000-memory.dmp

        Filesize

        6.9MB

      • memory/1764-13-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-22-0x00000000047E0000-0x0000000004820000-memory.dmp

        Filesize

        256KB

      • memory/1764-20-0x00000000047E0000-0x0000000004820000-memory.dmp

        Filesize

        256KB

      • memory/1764-7-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1764-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2100-16-0x0000000074BD0000-0x00000000752BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2100-1-0x0000000074BD0000-0x00000000752BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2100-6-0x0000000004E00000-0x0000000004E7C000-memory.dmp

        Filesize

        496KB

      • memory/2100-0-0x0000000000050000-0x0000000000118000-memory.dmp

        Filesize

        800KB

      • memory/2100-5-0x0000000001D90000-0x0000000001D9A000-memory.dmp

        Filesize

        40KB

      • memory/2100-4-0x0000000001D80000-0x0000000001D88000-memory.dmp

        Filesize

        32KB

      • memory/2100-3-0x0000000001D60000-0x0000000001D7A000-memory.dmp

        Filesize

        104KB

      • memory/2100-2-0x0000000004C00000-0x0000000004C40000-memory.dmp

        Filesize

        256KB