Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 03:36

General

  • Target
    PO #54321.exe
  • Size 350KB
  • Sample260709-d53f4ac17s
  • SHA256 795fee999993e22fae8da87b93bb31177a8383a18b53e122cab3b42b6abaf5b8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • Family: AgentTesla

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

  • Loads dropped DLL 1 IoCs
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO #54321.exe
    "C:\Users\Admin\AppData\Local\Temp\PO #54321.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\PO #54321.exe
      "C:\Users\Admin\AppData\Local\Temp\PO #54321.exe"
      2⤵
        PID:5456
      • C:\Users\Admin\AppData\Local\Temp\PO #54321.exe
        "C:\Users\Admin\AppData\Local\Temp\PO #54321.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        PID:4200
        • C:\Users\Admin\AppData\Local\Temp\PO #54321.exe
          "C:\Users\Admin\AppData\Local\Temp\PO #54321.exe"
          3⤵
            PID:1888

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nslC50D.tmp\System.dll
            • Size 12KB
            • SHA256 b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1200-12-0x0000000073975000-0x0000000073976000-memory.dmp

            memory/4200-13-0x000000007716F000-0x0000000077170000-memory.dmp

            memory/4200-14-0x000000007712D000-0x000000007712E000-memory.dmp

            memory/4200-15-0x00000000771F5000-0x00000000771F6000-memory.dmp

            memory/4200-17-0x00000000770C1000-0x00000000771EF000-memory.dmp

            memory/4200-16-0x0000000000480000-0x0000000001766000-memory.dmp

            memory/4200-18-0x0000000071ED2000-0x0000000071ED3000-memory.dmp

            memory/4200-19-0x0000000000480000-0x00000000004C4000-memory.dmp

            memory/4200-20-0x0000000038960000-0x0000000038F1A000-memory.dmp

            memory/4200-21-0x0000000071EC0000-0x000000007267C000-memory.dmp

            memory/4200-22-0x0000000038870000-0x00000000388D6000-memory.dmp

            memory/4200-23-0x0000000039790000-0x0000000039822000-memory.dmp

            memory/4200-24-0x0000000039860000-0x00000000398B0000-memory.dmp

            memory/4200-25-0x0000000039900000-0x000000003999C000-memory.dmp

            memory/4200-27-0x00000000771F5000-0x00000000771F6000-memory.dmp

            memory/4200-28-0x0000000039B80000-0x0000000039B8A000-memory.dmp

            memory/4200-29-0x0000000071ED2000-0x0000000071ED3000-memory.dmp

            memory/4200-30-0x0000000071EC0000-0x000000007267C000-memory.dmp