Overview

overview

10

Static

static

10

skuld.exe

windows10-2004-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/09/2026, 23:43

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General

  • Target
    skuld.exe
  • Size 11.1MB
  • Sample260920-3qvkdast7j
  • SHA256 5199c871a4391ec329a5bf4c6a317a5a6d61cfc7620f2d1e4650130b943395fe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryskuldpersistencestealer

Malware Config

Extracted

Family

  • skuld

C2

  • https://discord.com/api/webhooks/1551374802629959822/43MTHG9qPWt2ZB4RTcog3_4v3veP7vDEYxLOKP941lC5fbHQn2Xabz5FUQp5prUA8H_R

Signatures

  • Family: Skuld stealer

    An info stealer written in Go lang.

    stealerskuld
  • Detects SkuldStealer 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 TTPs 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\skuld.exe
    "C:\Users\Admin\AppData\Local\Temp\skuld.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe
      2⤵
      • Views/modifies file attributes
      PID:2720
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:6124
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5020
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3432

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        SecurityHealthSystray.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
        • Size 11.1MB
        • SHA256 5199c871a4391ec329a5bf4c6a317a5a6d61cfc7620f2d1e4650130b943395fe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download