Analysis

  • max time kernel
    103s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 04:08

General

  • Target

    b34ae8df913549f1c9f75e813f4febbe.exe

  • Size

    644KB

  • MD5

    b34ae8df913549f1c9f75e813f4febbe

  • SHA1

    ad9e6dbbbcce62b76a2e4d8997f41f00d0516b03

  • SHA256

    cb65e696842c0650692cde3eaf4b37d1fb5a90b21c89fc2b14d191f06b97d7a3

  • SHA512

    45f82b92990ded91fd09c822d6f103048e4dcb4467bd3c5f53d50546e4e6c35769d8e3855e921cbeead1e37899864ff39cf5fc70bf904190125372041c647446

  • SSDEEP

    12288:2VksqBh/3FLJ99PFTI6xfc29DTlNCGGQD3QWoB:2ur/3FLJ7zlNCG9D3QWc

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b34ae8df913549f1c9f75e813f4febbe.exe
    "C:\Users\Admin\AppData\Local\Temp\b34ae8df913549f1c9f75e813f4febbe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2972
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:2920

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2280-9-0x00007FFEC3D10000-0x00007FFEC47D1000-memory.dmp

      Filesize

      10.8MB

    • memory/2280-1-0x00007FFEC3D10000-0x00007FFEC47D1000-memory.dmp

      Filesize

      10.8MB

    • memory/2280-2-0x00000185AFAD0000-0x00000185AFAE0000-memory.dmp

      Filesize

      64KB

    • memory/2280-3-0x00000185B0850000-0x00000185B08E6000-memory.dmp

      Filesize

      600KB

    • memory/2280-0-0x0000018595470000-0x0000018595482000-memory.dmp

      Filesize

      72KB

    • memory/2972-8-0x0000000005770000-0x00000000057D6000-memory.dmp

      Filesize

      408KB

    • memory/2972-5-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/2972-7-0x00000000056F0000-0x0000000005700000-memory.dmp

      Filesize

      64KB

    • memory/2972-6-0x0000000005CB0000-0x0000000006254000-memory.dmp

      Filesize

      5.6MB

    • memory/2972-4-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2972-10-0x0000000006A50000-0x0000000006AA0000-memory.dmp

      Filesize

      320KB

    • memory/2972-11-0x0000000006B40000-0x0000000006BD2000-memory.dmp

      Filesize

      584KB

    • memory/2972-12-0x0000000006CD0000-0x0000000006CDA000-memory.dmp

      Filesize

      40KB

    • memory/2972-13-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/2972-14-0x00000000056F0000-0x0000000005700000-memory.dmp

      Filesize

      64KB