Overview

overview

10

Static

static

10

Tata.exe

windows10-2004-x64

10

Tata.exe

windows10-ltsc_2021-x64

10

Tata.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Tata.exe
  • Size 294KB
  • Sample260718-v7b6csb19y
  • SHA256 cb9b47925d5da045708d5dcde51001b396c4940ad153aa23e9c5be019b169dce
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratexecutionpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

C2

  • 91.92.42.94:1117

Targets

    • Target
      Tata.exe
    • Size 294KB
    • SHA256 cb9b47925d5da045708d5dcde51001b396c4940ad153aa23e9c5be019b169dce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    sheetrattrojanexecutionpersistence

    • Detects Sheetrat obfuscated V1.8 and higher

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

    • Family: Sheetrat, NonEuclid rat

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

      trojansheetrat

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Looks up external IP address via web service

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

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks