Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 14:27

General

  • Target
    SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
  • Size 731KB
  • Sample240810-rseq6atbmk
  • SHA256 f493aa5876e8e14c98f57fc1506b8e310eeaea75e3899b64aa7dfdfe8ac6687e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • 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\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1520
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"
      2⤵
        PID:2172
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3516

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_zlji5zf0.tnz.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zlji5zf0.tnz.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/452-1-0x00000000000A0000-0x000000000015A000-memory.dmp

          memory/452-2-0x0000000005140000-0x00000000056E4000-memory.dmp

          memory/452-3-0x0000000004B90000-0x0000000004C22000-memory.dmp

          memory/452-4-0x0000000004B50000-0x0000000004B5A000-memory.dmp

          memory/452-5-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/452-6-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

          memory/452-7-0x0000000004CC0000-0x0000000004CDA000-memory.dmp

          memory/452-8-0x0000000004DA0000-0x0000000004DAE000-memory.dmp

          memory/452-9-0x0000000004EC0000-0x0000000004ED6000-memory.dmp

          memory/452-10-0x0000000002510000-0x000000000259A000-memory.dmp

          memory/452-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

          memory/452-14-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1520-51-0x0000000007390000-0x000000000739A000-memory.dmp

          memory/1520-37-0x00000000700B0000-0x00000000700FC000-memory.dmp

          memory/1520-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1520-17-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1520-16-0x00000000051C0000-0x00000000057E8000-memory.dmp

          memory/1520-19-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1520-20-0x00000000050B0000-0x00000000050D2000-memory.dmp

          memory/1520-23-0x00000000058F0000-0x0000000005956000-memory.dmp

          memory/1520-22-0x0000000005150000-0x00000000051B6000-memory.dmp

          memory/1520-15-0x00000000049E0000-0x0000000004A16000-memory.dmp

          memory/1520-60-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/1520-33-0x0000000005960000-0x0000000005CB4000-memory.dmp

          memory/1520-34-0x0000000005FF0000-0x000000000600E000-memory.dmp

          memory/1520-35-0x0000000006040000-0x000000000608C000-memory.dmp

          memory/1520-36-0x0000000006FA0000-0x0000000006FD2000-memory.dmp

          memory/1520-57-0x0000000007640000-0x0000000007648000-memory.dmp

          memory/1520-47-0x00000000065B0000-0x00000000065CE000-memory.dmp

          memory/1520-48-0x00000000071E0000-0x0000000007283000-memory.dmp

          memory/1520-49-0x0000000007960000-0x0000000007FDA000-memory.dmp

          memory/1520-50-0x0000000007320000-0x000000000733A000-memory.dmp

          memory/1520-56-0x0000000007660000-0x000000000767A000-memory.dmp

          memory/1520-52-0x00000000075A0000-0x0000000007636000-memory.dmp

          memory/1520-53-0x0000000007520000-0x0000000007531000-memory.dmp

          memory/1520-54-0x0000000007550000-0x000000000755E000-memory.dmp

          memory/1520-55-0x0000000007560000-0x0000000007574000-memory.dmp

          memory/3516-11-0x0000000000400000-0x0000000000448000-memory.dmp

          memory/3516-13-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/3516-21-0x00000000747D0000-0x0000000074F80000-memory.dmp

          memory/3516-61-0x0000000006840000-0x0000000006A02000-memory.dmp

          memory/3516-62-0x00000000066D0000-0x0000000006720000-memory.dmp

          memory/3516-63-0x00000000747D0000-0x0000000074F80000-memory.dmp