Overview

overview

10

Static

static

10

DeltaLoadedFixed.exe

windows10-2004-x64

10

DeltaLoadedFixed.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    DeltaLoadedFixed.exe
  • Size 183KB
  • Sample260508-tydgdset3p
  • SHA256 ce4ff881dcd8808ed111b708f4228bd55ebe4e3ae54fe025678264bc4f5d6b1e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratbublikexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.7

Campaign

  • Bublik

C2

  • hightz1c-47016.portmap.host:47016

Targets

    • Target
      DeltaLoadedFixed.exe
    • Size 183KB
    • SHA256 ce4ff881dcd8808ed111b708f4228bd55ebe4e3ae54fe025678264bc4f5d6b1e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bublikexecutionsheetratpersistenceprivilege_escalationtrojan

    • Detects Sheetrat Obfuscated Payload

      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

    • Event Triggered Execution: AppInit DLLs

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

      persistenceprivilege_escalation

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks