Overview

overview

10

Static

static

EXCEL.exe

windows7_x64

10

EXCEL.exe

windows10_x64

10

Sharing

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General

  • Target
    EXCEL.exe
  • Size 911KB
  • Sample210906-nzbfjaebem
  • SHA256 862bf290697cfbd5cb41966b550e8b163aac94d6e07461c6e4353ea6fad62e83
  • MD5 SHA1 SHA512
Score
10/10
xpertrattestevasionpersistencerattrojanupx

Malware Config

Extracted

Family

  • xpertrat

Version

  • 3.0.10

Botnet

  • Test

C2

  • kapasky-antivirus.firewall-gateway.net:4000

Mutex

  • L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0

Targets

    • Target
      EXCEL.exe
    • Size 911KB
    • SHA256 862bf290697cfbd5cb41966b550e8b163aac94d6e07461c6e4353ea6fad62e83
    • MD5 SHA1 SHA512
    Score
    10/10
    xpertrattestevasionpersistencerattrojanupx

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • XpertRAT

      XpertRAT is a remote access trojan with various capabilities.

      ratxpertrat

    • XpertRAT Core Payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Adds policy Run key to start application

      persistence

    • UPX packed file

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

      upx

    • Deletes itself

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Program crash

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks