Analysis

  • max time kernel
    129s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 03:45

General

  • Target

    Invoice KIK-1 P234478.exe

  • Size

    1.4MB

  • MD5

    30664b17b297bc3db34968f239360c6f

  • SHA1

    a4185b8ff9e045033d06701e200be57920753754

  • SHA256

    087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd

  • SHA512

    e178dd795f63ddf55ea4abbb9e9b44d493138a1be5b3b3c2928edfd59b8675e0192f223f986230854e1c8855d06041363f6f389d7d20390686e73be16acba0e1

  • SSDEEP

    24576:lsO7OVJ0W//bLLK6tsPdEZ+gqBnf5B1M8We20/ccvLpxBVtra:zixL7Z+gK28/lng

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:1332
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:968
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        2⤵
          PID:1404

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/968-12-0x0000000006990000-0x0000000006A22000-memory.dmp

        Filesize

        584KB

      • memory/968-6-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

        Filesize

        4KB

      • memory/968-15-0x0000000074B20000-0x00000000752D0000-memory.dmp

        Filesize

        7.7MB

      • memory/968-14-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

        Filesize

        4KB

      • memory/968-8-0x0000000005480000-0x00000000054E6000-memory.dmp

        Filesize

        408KB

      • memory/968-5-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/968-13-0x0000000006910000-0x000000000691A000-memory.dmp

        Filesize

        40KB

      • memory/968-7-0x0000000005930000-0x0000000005ED4000-memory.dmp

        Filesize

        5.6MB

      • memory/968-11-0x00000000068A0000-0x00000000068F0000-memory.dmp

        Filesize

        320KB

      • memory/968-9-0x0000000074B20000-0x00000000752D0000-memory.dmp

        Filesize

        7.7MB

      • memory/3572-10-0x00007FFFEF2C0000-0x00007FFFEFD81000-memory.dmp

        Filesize

        10.8MB

      • memory/3572-4-0x000002C6ED1B0000-0x000002C6ED242000-memory.dmp

        Filesize

        584KB

      • memory/3572-0-0x00007FFFEF2C3000-0x00007FFFEF2C5000-memory.dmp

        Filesize

        8KB

      • memory/3572-1-0x000002C6ECF00000-0x000002C6ECF0E000-memory.dmp

        Filesize

        56KB

      • memory/3572-3-0x00007FFFEF2C0000-0x00007FFFEFD81000-memory.dmp

        Filesize

        10.8MB

      • memory/3572-2-0x00007FFFEF2C0000-0x00007FFFEFD81000-memory.dmp

        Filesize

        10.8MB