Overview

overview

10

Static

static

10

d32b6497f9...30.exe

windows7-x64

1

d32b6497f9...30.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 02:34

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General

  • Target
    d32b6497f96085710fd6a1ad10e82330.exe
  • Size 9.3MB
  • Sample240625-c2v26swepb
  • SHA256 429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
skuldpersistencestealer

Malware Config

Extracted

Family

  • skuld

C2

  • https://discord.com/api/webhooks/1254543345703977021/GGEp1kTIdcnrlXbkstceRTKYL1MjeavIS4CYW77UE3k75CymaXcXytUfkZVnLNW1d_wt

Signatures

  • Skuld stealer

    An info stealer written in Go lang.

    stealerskuld
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 13 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\d32b6497f96085710fd6a1ad10e82330.exe
    "C:\Users\Admin\AppData\Local\Temp\d32b6497f96085710fd6a1ad10e82330.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\d32b6497f96085710fd6a1ad10e82330.exe
      2⤵
      • Views/modifies file attributes
      PID:1172
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:4304

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        SecurityHealthSystray.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
        • Size 9.3MB
        • SHA256 429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download