Analysis

  • max time kernel
    124s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 03:13

General

  • Target

    429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712_NeikiAnalytics.exe

  • Size

    9.3MB

  • MD5

    d32b6497f96085710fd6a1ad10e82330

  • SHA1

    11af8afa2f63fd797e6dbe306ea8181c3480119a

  • SHA256

    429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712

  • SHA512

    e6eb4ec19ad1d3f813028428b81fc931bd6739845958b541c2b70425bed553910467c29df6ccdc0d6fb9cc30cca91491e632bb30e5cf38a2109b30dc9e014b2f

  • SSDEEP

    98304:wsGLMqMUzFeUoGgcmmPsWvpIqGEV6wKIii8HlD+:EBMUzQyPsWvCqjsfD

Malware Config

Extracted

Family

skuld

C2

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

Signatures

  • Skuld stealer

    An info stealer written in Go lang.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • GoLang User-Agent 1 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712_NeikiAnalytics.exe"
    1⤵
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712_NeikiAnalytics.exe
      2⤵
      • Views/modifies file attributes
      PID:376
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:1124
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1616
    • C:\Windows\System32\Wbem\wmic.exe
      wmic path win32_VideoController get name
      2⤵
      • Detects videocard installed
      • Suspicious use of AdjustPrivilegeToken
      PID:1612
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4296,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:2176

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe

      Filesize

      9.3MB

      MD5

      d32b6497f96085710fd6a1ad10e82330

      SHA1

      11af8afa2f63fd797e6dbe306ea8181c3480119a

      SHA256

      429c2396e234402ecf200be749e737dd4f969c8457e50eec8cde4fe4b486d712

      SHA512

      e6eb4ec19ad1d3f813028428b81fc931bd6739845958b541c2b70425bed553910467c29df6ccdc0d6fb9cc30cca91491e632bb30e5cf38a2109b30dc9e014b2f