Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/11/2022, 07:18

General

  • Target
    4b4f3d0dc0ed69467f74bb73b9584bab.exe
  • Size 951KB
  • Sample221119-h4x77sec4v
  • SHA256 f4d59861c5958a965d053cc69935c4a1bc80fe2bbc4e6467212d4063e486c049
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe
    "C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe
      "C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4324

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1408-132-0x0000000000280000-0x0000000000374000-memory.dmp

        memory/1408-133-0x00000000052C0000-0x0000000005864000-memory.dmp

        memory/1408-134-0x0000000004D10000-0x0000000004DA2000-memory.dmp

        memory/1408-135-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

        memory/1408-136-0x0000000008790000-0x000000000882C000-memory.dmp

        memory/4324-138-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/4324-139-0x0000000005D10000-0x0000000005D76000-memory.dmp

        memory/4324-140-0x0000000006120000-0x0000000006170000-memory.dmp