Analysis

  • max time kernel
    140s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 01:32

General

  • Target
    2582e31813849af336d75b731ed6462e8de23b030a139c4214271399265506fc.exe
  • Size 245KB
  • Sample240607-bx49lsfc7z
  • SHA256 2582e31813849af336d75b731ed6462e8de23b030a139c4214271399265506fc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.softtricksmedia.com

  • Port

    587

  • Password

    soft#!7som7

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2582e31813849af336d75b731ed6462e8de23b030a139c4214271399265506fc.exe
    "C:\Users\Admin\AppData\Local\Temp\2582e31813849af336d75b731ed6462e8de23b030a139c4214271399265506fc.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1516
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2224

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1516-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

          memory/1516-1-0x00000000007C0000-0x0000000000804000-memory.dmp

          memory/1516-2-0x0000000005780000-0x0000000005D24000-memory.dmp

          memory/1516-3-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1516-4-0x0000000005360000-0x00000000053C6000-memory.dmp

          memory/1516-7-0x00000000069B0000-0x0000000006A00000-memory.dmp

          memory/1516-8-0x0000000006AA0000-0x0000000006B3C000-memory.dmp

          memory/1516-9-0x00000000747DE000-0x00000000747DF000-memory.dmp

          memory/1516-10-0x0000000006DE0000-0x0000000006E72000-memory.dmp

          memory/1516-11-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1516-12-0x0000000006DB0000-0x0000000006DBA000-memory.dmp