Analysis

  • max time kernel
    142s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 15:17

General

  • Target
    DHL_046s01900330081250b4057885831102020.exe
  • Size 680KB
  • Sample240606-sn2wkagg78
  • SHA256 f0f1815ffec14ed9df683a6518c090d38b5812aa49f3591c5ddd50acd1963c0f
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2960
    • 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\DHL_046s01900330081250b4057885831102020.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3804
    • C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3948
  • 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=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2616

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_odss3ucu.szo.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_odss3ucu.szo.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/2960-6-0x0000000005210000-0x0000000005226000-memory.dmp

          memory/2960-2-0x0000000005240000-0x00000000057E4000-memory.dmp

          memory/2960-3-0x0000000004C90000-0x0000000004D22000-memory.dmp

          memory/2960-4-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/2960-5-0x0000000004C70000-0x0000000004C7A000-memory.dmp

          memory/2960-14-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/2960-7-0x00000000062D0000-0x00000000062DE000-memory.dmp

          memory/2960-8-0x00000000062E0000-0x00000000062F0000-memory.dmp

          memory/2960-9-0x0000000006350000-0x00000000063D2000-memory.dmp

          memory/2960-10-0x0000000008A20000-0x0000000008ABC000-memory.dmp

          memory/2960-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

          memory/2960-1-0x00000000001C0000-0x0000000000270000-memory.dmp

          memory/3804-49-0x0000000006CE0000-0x0000000006D83000-memory.dmp

          memory/3804-38-0x0000000070440000-0x000000007048C000-memory.dmp

          memory/3804-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3804-16-0x0000000004DC0000-0x00000000053E8000-memory.dmp

          memory/3804-18-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3804-19-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3804-62-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3804-59-0x0000000007330000-0x0000000007338000-memory.dmp

          memory/3804-22-0x00000000053F0000-0x0000000005412000-memory.dmp

          memory/3804-28-0x00000000054D0000-0x0000000005536000-memory.dmp

          memory/3804-13-0x00000000046B0000-0x00000000046E6000-memory.dmp

          memory/3804-33-0x0000000005660000-0x00000000059B4000-memory.dmp

          memory/3804-34-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

          memory/3804-35-0x0000000005D20000-0x0000000005D6C000-memory.dmp

          memory/3804-37-0x0000000006C90000-0x0000000006CC2000-memory.dmp

          memory/3804-58-0x0000000007350000-0x000000000736A000-memory.dmp

          memory/3804-48-0x00000000062C0000-0x00000000062DE000-memory.dmp

          memory/3804-57-0x0000000007250000-0x0000000007264000-memory.dmp

          memory/3804-50-0x0000000007660000-0x0000000007CDA000-memory.dmp

          memory/3804-51-0x0000000007010000-0x000000000702A000-memory.dmp

          memory/3804-52-0x0000000007080000-0x000000000708A000-memory.dmp

          memory/3804-56-0x0000000007240000-0x000000000724E000-memory.dmp

          memory/3804-54-0x0000000007290000-0x0000000007326000-memory.dmp

          memory/3804-55-0x0000000007210000-0x0000000007221000-memory.dmp

          memory/3948-53-0x0000000006250000-0x00000000062A0000-memory.dmp

          memory/3948-11-0x0000000000400000-0x0000000000442000-memory.dmp

          memory/3948-15-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3948-21-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3948-20-0x0000000005360000-0x00000000053C6000-memory.dmp

          memory/3948-63-0x00000000747C0000-0x0000000074F70000-memory.dmp