Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/08/2026, 18:18

General

  • Target
    Cytophil.exe
  • Size 611KB
  • Sample260829-wxmpsabl4x
  • SHA256 9355412abe08d3781913f925945e2b93713961b95df327b0f153c29dd3483f0d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.orangesac.com

  • Port

    21

  • Password

    )gXh?HfN,DWa

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 TTPs 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
  • 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\Cytophil.exe
    "C:\Users\Admin\AppData\Local\Temp\Cytophil.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\Cytophil.exe
      "C:\Users\Admin\AppData\Local\Temp\Cytophil.exe"
      2⤵
        PID:3588
      • C:\Users\Admin\AppData\Local\Temp\Cytophil.exe
        "C:\Users\Admin\AppData\Local\Temp\Cytophil.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:5776
        • C:\Users\Admin\AppData\Local\Temp\Cytophil.exe
          "C:\Users\Admin\AppData\Local\Temp\Cytophil.exe"
          3⤵
            PID:3180

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsdFF2D.tmp\System.dll
            • Size 12KB
            • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/3208-24-0x0000000073DE5000-0x0000000073DE6000-memory.dmp

            memory/5776-25-0x000000007708F000-0x0000000077090000-memory.dmp

            memory/5776-26-0x000000007704D000-0x000000007704E000-memory.dmp

            memory/5776-27-0x0000000077115000-0x0000000077116000-memory.dmp

            memory/5776-30-0x0000000000460000-0x0000000001746000-memory.dmp

            memory/5776-31-0x0000000077115000-0x0000000077116000-memory.dmp

            memory/5776-41-0x0000000076FE1000-0x000000007710F000-memory.dmp

            memory/5776-42-0x0000000071B12000-0x0000000071B13000-memory.dmp

            memory/5776-40-0x0000000000460000-0x0000000001746000-memory.dmp

            memory/5776-43-0x0000000000460000-0x00000000004A2000-memory.dmp

            memory/5776-44-0x000000003A3F0000-0x000000003A9AA000-memory.dmp

            memory/5776-45-0x000000003A2F0000-0x000000003A356000-memory.dmp

            memory/5776-46-0x0000000071B00000-0x00000000722BC000-memory.dmp

            memory/5776-48-0x000000003AF80000-0x000000003B012000-memory.dmp

            memory/5776-49-0x000000003B030000-0x000000003B080000-memory.dmp

            memory/5776-50-0x000000003B0A0000-0x000000003B0AA000-memory.dmp

            memory/5776-51-0x0000000071B12000-0x0000000071B13000-memory.dmp

            memory/5776-52-0x0000000071B00000-0x00000000722BC000-memory.dmp