Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 00:58

General

  • Target

    PO82107048.exe

  • Size

    684KB

  • MD5

    04e91a7f1546da0a85e5fc3fd8eaa999

  • SHA1

    ab550405abd86070d515bc690bb5192e89d0902a

  • SHA256

    8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7

  • SHA512

    be04801af3deebc3d1fa52be8983124187b3c3fb3454a188fcf10e0de6f74fb9c976d592325528805b52fae5e9a37d49292d3248da22cc2849a85885448faff9

  • SSDEEP

    12288:IIbWET/mr9K+22BEEzFatn/0jRgRvFY1lwlib+nKQzC3YnnbnepLTx7:tWtb3BEq1mYDXZonbYLTx7

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO82107048.exe
    "C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2920
    • C:\Users\Admin\AppData\Local\Temp\PO82107048.exe
      "C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1624-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/1624-1-0x0000000000860000-0x0000000000912000-memory.dmp

    Filesize

    712KB

  • memory/1624-2-0x0000000074A30000-0x000000007511E000-memory.dmp

    Filesize

    6.9MB

  • memory/1624-3-0x00000000003C0000-0x00000000003E2000-memory.dmp

    Filesize

    136KB

  • memory/1624-4-0x0000000000360000-0x000000000036C000-memory.dmp

    Filesize

    48KB

  • memory/1624-5-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/1624-6-0x00000000004B0000-0x0000000000520000-memory.dmp

    Filesize

    448KB

  • memory/1624-19-0x0000000074A30000-0x000000007511E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-9-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-8-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-7-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2556-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB