General

  • Target
    Client.exe
  • Size 549KB
  • Sample261018-nc13nsae67
  • SHA256 2b2b2543eeb29a31f989e09a84717176ee8bebad7f31a7e02d1606c7381db854
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Campaign
  • Sheet_nbszmiyxtax

C2
  • t82vhiny4s.localto.net:3153

Targets

    • Target
      Client.exe
    • Size 549KB
    • SHA256 2b2b2543eeb29a31f989e09a84717176ee8bebad7f31a7e02d1606c7381db854
    • 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

    • Event Triggered Execution: AppInit DLLs

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

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v16

Tasks