Analysis

  • max time kernel
    42s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2024 03:08

General

  • Target

    4d2e36e66c0a6b7552b97bd5034fdcbb.exe

  • Size

    434KB

  • MD5

    4d2e36e66c0a6b7552b97bd5034fdcbb

  • SHA1

    9bc9f2fd6c25810ee03a0512a8e3e621c0b1e8ad

  • SHA256

    22be2df4064414d9208f52a39a0fa6dd03b3a4ce83f8702abb901573435f8b23

  • SHA512

    ac8a8862baa8d379bcdd153ba4963b23b1b60a4f3adef7fc107418cf9bcc81220a25bba9db69d27f8bd5ef35611419829ef9b435d39e8b78275b1fefa3b7c060

  • SSDEEP

    6144:Oy/wN2rJ33Fx3uFDUoz3i4IqYqTmIn6jgto/uAI/7k0NNXtUaQeVVZtDw8XDFOkm:OIrFrjSi4IqYfRgtkyTdUXi3zFwVK4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mohhg.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QmlgN@@qt$53

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d2e36e66c0a6b7552b97bd5034fdcbb.exe
    "C:\Users\Admin\AppData\Local\Temp\4d2e36e66c0a6b7552b97bd5034fdcbb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NNBvRA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC37.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\4d2e36e66c0a6b7552b97bd5034fdcbb.exe
      "{path}"
      2⤵
        PID:2752
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 520
          3⤵
            PID:2552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpAC37.tmp

        Filesize

        1KB

        MD5

        58c49d3cd25ff33f63f9084b35f61052

        SHA1

        7ceb091727d0875176f37bf802e166c4cc2d51ca

        SHA256

        4e42d5f477bec30a1c73e154f8df33d8d43eccca538785a8a94ca48befc65848

        SHA512

        59ffb3c10b7ac978e9678bc08ed64f0a345a4ebf60874d9ba97198559383da483e9d5bdaf128f66ca72cf0cef00704380ee5bdba3efc0c388f5ad88335f15f84

      • memory/2164-1-0x0000000000AE0000-0x0000000000B20000-memory.dmp

        Filesize

        256KB

      • memory/2164-2-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2164-0-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2164-4-0x0000000000AE0000-0x0000000000B20000-memory.dmp

        Filesize

        256KB

      • memory/2164-3-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2164-21-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2552-24-0x00000000003C0000-0x00000000003C1000-memory.dmp

        Filesize

        4KB

      • memory/2752-23-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2752-22-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2752-18-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-16-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2752-13-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-12-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-10-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-8-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-20-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2752-25-0x0000000074F40000-0x00000000754EB000-memory.dmp

        Filesize

        5.7MB