Overview

overview

10

Static

static

10

f75f8287ec...0c.exe

windows10-2004-x64

10

f75f8287ec...0c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 03:30

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General

  • Target
    f75f8287ec5b7091a71629606b6589acf0deba3d22755c7dc640f1b2f423f30c.exe
  • Size 33KB
  • Sample260816-d2krwaba73
  • SHA256 f75f8287ec5b7091a71629606b6589acf0deba3d22755c7dc640f1b2f423f30c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryvikingpersistenceprivilege_escalationspywarestealerworm

Malware Config

Signatures

  • Family: Viking

    Viking is a Windows worm written in Delphi.

    wormviking
  • Detects Viking 5 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f75f8287ec5b7091a71629606b6589acf0deba3d22755c7dc640f1b2f423f30c.exe
    "C:\Users\Admin\AppData\Local\Temp\f75f8287ec5b7091a71629606b6589acf0deba3d22755c7dc640f1b2f423f30c.exe"
    1⤵
    • Drops file in Drivers directory
    • Creates a file in the Startup directory
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3840
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:8
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3048

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        dotnet.exe
        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 177KB
        • SHA256 8d4dc1eb5e71d869707d12c0589ca1655e5bd8e26c0bab42d1e517c1ac865e15
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vcredist_x86.exe
        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 488KB
        • SHA256 ed38ff04194cfca9b532dc0440268da47b3cce5c72a379d371f21c8225a7e666
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _desktop.ini
        • Path F:\$RECYCLE.BIN\S-1-5-21-2301830172-776172150-2531349243-1000\_desktop.ini
        • Size 9B
        • SHA256 594042b32eb4f8ff7b253fc3947dc478c67ecc9f4347f76d02edc6d6108f473e
        • MD5 SHA1 SHA512
        Submit Download

        memory/1488-0-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/1488-5-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/1488-2617-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/1488-8014-0x0000000000400000-0x000000000043E000-memory.dmp
        Download