General

  • Target
    1ns3gv97oviwf90m.exe
  • Size 372KB
  • Sample260925-tdlbhazfmd
  • SHA256 1a86daee4f4b5134460e34ab33690037fc20e61237af09e817280deb67e2b72f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Version
  • 1.8

C2
  • bore.pub:11724

Targets

    • Target
      1ns3gv97oviwf90m.exe
    • Size 372KB
    • SHA256 1a86daee4f4b5134460e34ab33690037fc20e61237af09e817280deb67e2b72f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Dracula aka Samurai Stealer payload

    • Detects Sheetrat obfuscated V1.8 and higher

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

    • Family: Dracula, Samurai

      Dracula aka Samurai is a stealer written in C#.

    • Family: ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Family: Sheetrat, NonEuclid rat

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

    • ModiLoader Second Stage

    • 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.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks