Resubmissions

02/08/2026, 06:48

260802-hk5syaef3410

02/08/2026, 06:27

260802-g77elswgqd10

General

  • Target
    364d3883e81da01bb449083552e5f1526ec734bdf40b27e71a4670fc3df12e76.exe
  • Size 1.0MB
  • Sample260802-hk5syaef34
  • SHA256 364d3883e81da01bb449083552e5f1526ec734bdf40b27e71a4670fc3df12e76
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Version
  • F.lux

C2
  • 91.92.42.94:1052

Extracted

Family
  • sheetrat

Version
  • 1.8

C2
  • 91.92.42.94:1052

Extracted

Family
  • xorium_stealer

C2
  • https://api.telegram.org/bot8851116034:AAEyleV0VCo3PXiQw0URdIA8sbkMMXtkiQA/sendDocument

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36

Targets

    • Target
      364d3883e81da01bb449083552e5f1526ec734bdf40b27e71a4670fc3df12e76.exe
    • Size 1.0MB
    • SHA256 364d3883e81da01bb449083552e5f1526ec734bdf40b27e71a4670fc3df12e76
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Sheetrat Payload

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Detects Sheetrat obfuscated V1.8 and higher

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Detects Sheetrat obfuscated version

    • Detects XoriumStealer payload

    • Family: Sheetrat, NonEuclid rat

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Family: XoriumStealer

      XoriumStealer is an information stealer written in C#.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies boot configuration data using bcdedit

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Checks computer location settings

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

    • Creates new service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Stops running service(s)

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks