Analysis

  • max time kernel
    137s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2022, 13:49

General

  • Target
    blessed.exe
  • Size 671KB
  • Sample221102-q4p6lahcc2
  • SHA256 d8eb1f317af04fac903ebe9c922d5ebfe86b21fda22d4cb3c4362002d1f55f69
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\blessed.exe
    "C:\Users\Admin\AppData\Local\Temp\blessed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4820

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/4588-132-0x0000000000AD0000-0x0000000000B7E000-memory.dmp

        memory/4588-133-0x0000000005BD0000-0x0000000006174000-memory.dmp

        memory/4588-134-0x0000000005510000-0x00000000055A2000-memory.dmp

        memory/4588-135-0x00000000056C0000-0x000000000575C000-memory.dmp

        memory/4588-136-0x0000000005500000-0x000000000550A000-memory.dmp

        memory/4820-138-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/4820-139-0x0000000005DD0000-0x0000000005E36000-memory.dmp

        memory/4820-140-0x0000000006610000-0x0000000006660000-memory.dmp