Analysis

  • max time kernel
    299s
  • max time network
    304s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 16:20

General

  • Target
    Nomina 07212026_N0021226#1.exe
  • Size 304KB
  • Sample260721-ttdllacd22
  • SHA256 9856e1947303d24a288bfda2c0523a9d111cda99ca7a3968d45a0b74971330ee
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.5dejunio.gob.ec

  • Port

    21

  • Password

    osef!t1!#Z8,H378

Signatures

  • Family: AgentTesla

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

  • Family: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • 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
  • 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\Nomina 07212026_N0021226#1.exe
    "C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.exe
      "C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.exe"
      2⤵
        PID:1932
      • C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.exe
        "C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.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:3248
        • C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.exe
          "C:\Users\Admin\AppData\Local\Temp\Nomina 07212026_N0021226#1.exe"
          3⤵
            PID:1556

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nslD039.tmp\System.dll
            • Size 11KB
            • SHA256 2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            strkkene.lnk

            • Path C:\Users\Admin\AppData\Local\strkkene.lnk
            • Size 742B
            • SHA256 c0bae6635d8ad835ab543830c8bc417879600007d0fe11b1fa213089f4639f61
            • MD5 SHA1 SHA512 TLSH

            memory/608-20-0x0000000003D00000-0x0000000005514000-memory.dmp

            memory/608-17-0x0000000003D00000-0x0000000005514000-memory.dmp

            memory/608-18-0x0000000010004000-0x0000000010005000-memory.dmp

            memory/3248-23-0x00000000771B5000-0x00000000771B6000-memory.dmp

            memory/3248-22-0x00000000770ED000-0x00000000770EE000-memory.dmp

            memory/3248-21-0x000000007712F000-0x0000000077130000-memory.dmp

            memory/3248-19-0x0000000001770000-0x0000000002F84000-memory.dmp

            memory/3248-32-0x0000000000480000-0x0000000001766000-memory.dmp

            memory/3248-33-0x0000000000480000-0x00000000004C2000-memory.dmp

            memory/3248-34-0x00000000366A0000-0x0000000036C5A000-memory.dmp

            memory/3248-35-0x00000000365C0000-0x0000000036626000-memory.dmp

            memory/3248-36-0x0000000001770000-0x0000000002F84000-memory.dmp

            memory/3248-38-0x00000000771B5000-0x00000000771B6000-memory.dmp

            memory/3248-41-0x00000000373E0000-0x0000000037430000-memory.dmp

            memory/3248-42-0x0000000037430000-0x00000000374C2000-memory.dmp

            memory/3248-43-0x0000000037520000-0x000000003752A000-memory.dmp