Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2023 02:18

General

  • Target

    9dbb9909612a626ab5332bad9e1b944d925193d70796eb7fc2651373e6c178f8.exe

  • Size

    748KB

  • MD5

    ef850c07c2d8e95e2fea98d6ff2177f2

  • SHA1

    366b374dc3166ff678bfc9c665282f3a50eaf1c2

  • SHA256

    9dbb9909612a626ab5332bad9e1b944d925193d70796eb7fc2651373e6c178f8

  • SHA512

    d04dcec60688ea2d12e75850674915d28eefe98325fd35b587b001aa07ad9f858681adc27c7fc690eacf724df4fc2d05a6f57c90f17e075d30bc2d39f09d505c

  • SSDEEP

    12288:T05yw54Jk+lK6zsd5gP8OvRPC6bSUUyJkqvZG05oCiM1dtOQq4OdKyWXG84h:wyYefJ25BOvdC6WUbJTjtzVOdK4vh

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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dbb9909612a626ab5332bad9e1b944d925193d70796eb7fc2651373e6c178f8.exe
    "C:\Users\Admin\AppData\Local\Temp\9dbb9909612a626ab5332bad9e1b944d925193d70796eb7fc2651373e6c178f8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 1840
        3⤵
        • Program crash
        PID:2492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4716 -ip 4716
    1⤵
      PID:3200

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1128-0-0x0000000000830000-0x00000000008F0000-memory.dmp

      Filesize

      768KB

    • memory/1128-1-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

      Filesize

      40KB

    • memory/1128-4-0x00007FFB0F830000-0x00007FFB102F1000-memory.dmp

      Filesize

      10.8MB

    • memory/1128-10-0x00007FFB0F830000-0x00007FFB102F1000-memory.dmp

      Filesize

      10.8MB

    • memory/4716-2-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4716-5-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/4716-6-0x0000000005670000-0x0000000005C14000-memory.dmp

      Filesize

      5.6MB

    • memory/4716-7-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/4716-8-0x0000000005040000-0x00000000050A6000-memory.dmp

      Filesize

      408KB

    • memory/4716-9-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB