Resubmissions

05/09/2024, 13:44

240905-q16deasbkr10

02/09/2024, 17:59

240902-wk51lavbpn10

General

  • Target
    Client.exe
  • Size 158KB
  • Sample240902-wk51lavbpn
  • SHA256 dee58e8a247eab9726675a03ddc8485c66a204d7b9f2211d8fea89729d45e7a5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • arrowrat

Botnet
  • Client

C2
  • 6.tcp.eu.ngrok.io:13114

Mutex
  • rLGiSBuYa

Targets

    • Target
      Client.exe
    • Size 158KB
    • SHA256 dee58e8a247eab9726675a03ddc8485c66a204d7b9f2211d8fea89729d45e7a5
    • MD5 SHA1 SHA512 SSDEEP
    • ArrowRat

      Remote access tool with various capabilities first seen in late 2021.

    • Modifies WinLogon for persistence

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks