Analysis

  • max time kernel
    136s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/10/2023, 16:07

General

  • Target
    pre-alert 2320102740.exe
  • Size 839KB
  • Sample231026-tkmg5sef59
  • SHA256 9cd45c2dec3640ea0a345bbe5f21987485e91a2ab5cb605b0f30a741d2cb7b38
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.asiaparadisehotel.com

  • Port

    587

  • Password

    ^b2ycDldex$@

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pre-alert 2320102740.exe
    "C:\Users\Admin\AppData\Local\Temp\pre-alert 2320102740.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1328-9-0x0000000075250000-0x0000000075A00000-memory.dmp

        memory/1328-1-0x0000000000540000-0x0000000000618000-memory.dmp

        memory/1328-2-0x0000000005030000-0x00000000050CC000-memory.dmp

        memory/1328-3-0x0000000002860000-0x0000000002870000-memory.dmp

        memory/1328-4-0x0000000004F90000-0x000000000502C000-memory.dmp

        memory/1328-5-0x0000000005680000-0x0000000005C24000-memory.dmp

        memory/1328-6-0x0000000005130000-0x000000000514A000-memory.dmp

        memory/1328-0-0x0000000075250000-0x0000000075A00000-memory.dmp

        memory/4744-10-0x0000000075250000-0x0000000075A00000-memory.dmp

        memory/4744-11-0x0000000005670000-0x0000000005680000-memory.dmp

        memory/4744-7-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/4744-12-0x0000000005780000-0x00000000057E6000-memory.dmp

        memory/4744-14-0x0000000006A80000-0x0000000006AD0000-memory.dmp

        memory/4744-15-0x0000000075250000-0x0000000075A00000-memory.dmp

        memory/4744-16-0x0000000005670000-0x0000000005680000-memory.dmp

        memory/4744-17-0x0000000006CB0000-0x0000000006D42000-memory.dmp

        memory/4744-18-0x0000000006C40000-0x0000000006C4A000-memory.dmp