Analysis

  • max time kernel
    47s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2023, 21:32

General

  • Target
    70913520.exe
  • Size 1016KB
  • Sample230508-1dletscg97
  • SHA256 d67557fd37174016e188f4e3932341f74c0a79ade0a34fbffc190e91b9e5a0e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70913520.exe
    "C:\Users\Admin\AppData\Local\Temp\70913520.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Tjurncz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7475.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:468
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:860

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp7475.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp7475.tmp
        • Size 1KB
        • SHA256 59fda1567c2bcceb273e89b444dbb5c79aa18fca1983f3462d1b9935c80aa194
        • MD5 SHA1 SHA512

        memory/860-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/860-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/860-92-0x00000000004B0000-0x00000000004F0000-memory.dmp

        memory/860-73-0x00000000004B0000-0x00000000004F0000-memory.dmp

        memory/860-72-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/860-70-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/860-63-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/860-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/860-65-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/860-64-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2012-56-0x0000000000570000-0x0000000000584000-memory.dmp

        memory/2012-54-0x00000000010F0000-0x00000000011F4000-memory.dmp

        memory/2012-55-0x0000000004D70000-0x0000000004DB0000-memory.dmp

        memory/2012-59-0x0000000004EF0000-0x0000000004F50000-memory.dmp

        memory/2012-58-0x0000000005C50000-0x0000000005CFA000-memory.dmp

        memory/2012-57-0x0000000004D70000-0x0000000004DB0000-memory.dmp