General

  • Target
    NexiloDiscordNitroGen.zip
  • Size 10.0MB
  • Sample260615-bp6sgagv2w
  • SHA256 11b1ed45d91e8ff25b09e515d2af6de4b987032f3c99e4dcb2c1402b42de0d72
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • stealc

Botnet
  • MkAYSNKmKA4G1IGb04Jt

Extracted

Family
  • remus_stealer

Botnet
  • 42095347b27b46c0e9195ed43d5626df

C2
  • http://losslvs.surf:7802

  • http://baxe.pics:48261

  • http://iuta.today:8521

Extracted

Family
  • xtinyloader

C2
  • 62.60.226.159/xvzpjyddlu/getdata.php

  • 196.251.107.104/xvzpjyddlu/getdata.php

Wallets
  • 1DhhnhjE2uM48SkwTb7BfiPsg8wSrBPnYq

  • 0x2b884927f2ee5941051043280f1a7231bfd22885

  • LN6CTAQpV4H7EdcwaNLp9p5bywefX6XeaY

  • TWNcDn9DNiutGzxpyt24gQZ8wsLgSTPdgw

Extracted

Family
  • stealc

Botnet
  • RUN

C2
  • http://196.251.107.130

Attributes
  • url_path

    /16b022998f754137b60a.php

rc4.traffic_key
rc4.C2

Targets

    • Target
      NexiloNitro-Genrator.exe
    • Size 11.1MB
    • SHA256 c83f7d68fa77ba191d01e23878d433e2a894732a20c8aa71e72e82896c7e8da6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Remus stealer

    • Detects Stealc stealer Version 2

    • Family: Remus

      Remus is a stealer written in C++.

    • Family: Stealc

      Stealc is an infostealer written in C++.

    • Family: XTinyLoader

      XTinyLoader is a modular loader and stealer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Registers new Windows logon scripts automatically executed at logon.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v16

Tasks