Resubmissions

26/10/2026, 17:19

261026-vv5l5sbe827

26/10/2026, 14:06

261026-rexd2sts2j10

General

  • Target
    LuaTools-win-Setup.exe
  • Size 11.3MB
  • Sample261026-rexd2sts2j
  • SHA256 bae35a2c7fb871adf5aec2a4f8bade951533a1fb8672b273986d57cddf58ee8f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Version
  • 2.6

Campaign
  • Sheet_qosjnfofftkyn

C2
  • 1.1.1.1:443

  • tcp.cloudpub.ru:31800

Targets

    • Target
      LuaTools-win-Setup.exe
    • Size 11.3MB
    • SHA256 bae35a2c7fb871adf5aec2a4f8bade951533a1fb8672b273986d57cddf58ee8f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Sheetrat obfuscated V1.8 and higher

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

    • Detects Sheetrat obfuscated version

    • Family: Sheetrat, NonEuclid rat

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

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: AppInit DLLs

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v16

Tasks