General

  • Target
    paymen_invoice.doc
  • Size 340KB
  • Sample210906-nt3mtsebel
  • SHA256 e31f5bfd01e6d5876991d6aae68921b7510090d880d2602ed57032e7d14a9cae
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    httP://192.3.194.242/EXCEL.exe

Extracted

Family
  • xpertrat

Version
  • 3.0.10

Botnet
  • Test

C2
  • kapasky-antivirus.firewall-gateway.net:4000

Mutex
  • L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0

Targets

    • Target
      paymen_invoice.doc
    • Size 340KB
    • SHA256 e31f5bfd01e6d5876991d6aae68921b7510090d880d2602ed57032e7d14a9cae
    • MD5 SHA1 SHA512
    Score
    10/10
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • XpertRAT

      XpertRAT is a remote access trojan with various capabilities.

    • XpertRAT Core Payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v6

Tasks