Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2022, 12:35

General

  • Target
    106c3ae4c69d8011bb54a0956c7e2bc8.exe
  • Size 728KB
  • Sample221110-psc68abgfm
  • SHA256 ef31090ad1ea4e41775b66e546cd00d8bf13be0b0c14aaf37ed499c9e25e32df
  • 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\106c3ae4c69d8011bb54a0956c7e2bc8.exe
    "C:\Users\Admin\AppData\Local\Temp\106c3ae4c69d8011bb54a0956c7e2bc8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\106c3ae4c69d8011bb54a0956c7e2bc8.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4328

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        106c3ae4c69d8011bb54a0956c7e2bc8.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\106c3ae4c69d8011bb54a0956c7e2bc8.exe.log
        • Size 1KB
        • SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
        • MD5 SHA1 SHA512

        memory/1488-132-0x0000000000AE0000-0x0000000000B9C000-memory.dmp

        memory/1488-133-0x0000000005A30000-0x0000000005FD4000-memory.dmp

        memory/1488-134-0x0000000005560000-0x00000000055F2000-memory.dmp

        memory/1488-135-0x0000000005600000-0x000000000569C000-memory.dmp

        memory/1488-136-0x0000000005540000-0x000000000554A000-memory.dmp

        memory/4328-138-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/4328-140-0x0000000006200000-0x0000000006266000-memory.dmp

        memory/4328-141-0x0000000006530000-0x0000000006580000-memory.dmp