Analysis

  • max time kernel
    38s
  • max time network
    23s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 10:22

General

  • Target
    f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe
  • Size 622KB
  • Sample260602-mekm2aaz6w
  • SHA256 f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.holzbrenzii.com

  • Port

    21

  • Password

    boygirl123456

Signatures

  • Family: AgentTesla

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

  • Loads dropped DLL 1 IoCs
  • 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\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe
    "C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.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:4332
    • C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe
      "C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe"
      2⤵
        PID:3948
      • C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe
        "C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.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:2248
        • C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe
          "C:\Users\Admin\AppData\Local\Temp\f7246cc01c8470b5c6fe8efb5f2c18ac5a981510b007b224d789a717e15a6ccc.exe"
          3⤵
            PID:1000

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsi72BC.tmp\System.dll
            • Size 11KB
            • SHA256 c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2248-17-0x0000000039710000-0x0000000039CB6000-memory.dmp

            memory/2248-20-0x000000003A410000-0x000000003A4A2000-memory.dmp

            memory/2248-13-0x000000007701B000-0x000000007701C000-memory.dmp

            memory/2248-12-0x000000007709B000-0x000000007709C000-memory.dmp

            memory/2248-15-0x0000000076F71000-0x0000000077093000-memory.dmp

            memory/2248-14-0x0000000000470000-0x0000000001787000-memory.dmp

            memory/2248-11-0x0000000077008000-0x0000000077009000-memory.dmp

            memory/2248-18-0x0000000039650000-0x0000000039660000-memory.dmp

            memory/2248-16-0x0000000000470000-0x00000000004B2000-memory.dmp

            memory/2248-19-0x0000000039570000-0x00000000395D6000-memory.dmp

            memory/2248-25-0x0000000039650000-0x0000000039660000-memory.dmp

            memory/2248-21-0x000000003A4C0000-0x000000003A510000-memory.dmp

            memory/2248-22-0x000000003A540000-0x000000003A54A000-memory.dmp

            memory/2248-24-0x000000007709B000-0x000000007709C000-memory.dmp

            memory/4332-10-0x0000000010004000-0x0000000010005000-memory.dmp