Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:42

General

  • Target

    33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80.exe

  • Size

    840KB

  • MD5

    4ec4b10a9d353a18be4cf0f2d1bfc6e1

  • SHA1

    0e8ffba95197d0c81ce1ebd64a406f903e2c1043

  • SHA256

    33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80

  • SHA512

    2307b6276467a624bdf885854f5857da1a8cc15b23af2e28b337febf71057420034fa10575e4726835d64741e9bbb83015ab16cc4a10fe2f7fd81ec6b6953bef

  • SSDEEP

    12288:FIx504bFtx504bFWxZQHMz90ip4l7n4+wQD6y7O4IZPTTboedF9pO37N:qw4bjw4b8pjMc+wUTq4IPTTboedFvg7

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80.exe
    "C:\Users\Admin\AppData\Local\Temp\33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • 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\33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Users\Admin\AppData\Local\Temp\33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80.exe
      "C:\Users\Admin\AppData\Local\Temp\33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-21-0x0000000074D20000-0x000000007540E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-1-0x0000000001030000-0x0000000001106000-memory.dmp

    Filesize

    856KB

  • memory/2220-2-0x0000000074D20000-0x000000007540E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-3-0x0000000000B50000-0x0000000000B6A000-memory.dmp

    Filesize

    104KB

  • memory/2220-4-0x0000000000AC0000-0x0000000000AD0000-memory.dmp

    Filesize

    64KB

  • memory/2220-5-0x0000000005240000-0x00000000052C2000-memory.dmp

    Filesize

    520KB

  • memory/2220-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/2892-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2892-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2892-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2892-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2892-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2892-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2892-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2892-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB