General

  • Target

    82515a842317ff8ee1c35812b0433634_JaffaCakes118

  • Size

    4.3MB

  • Sample

    241031-jjgv6athrk

  • MD5

    82515a842317ff8ee1c35812b0433634

  • SHA1

    3ea612a37abd791f616d5fd39f2e2acfef64e24f

  • SHA256

    e74d8e70050e4b107cc18b363f9830c289fff64e60c6dd98e598c3096825645e

  • SHA512

    d940e7c9a812e30d3854b5084469d28baa351b451fe7c5b77915383772333eacdfa774d3711075712c9ad152caf7f1e678a57bad86f983d489301ac5aec9d0c2

  • SSDEEP

    98304:M++l/rWoxd5mBSqRxc60fhAMDubWhkYI+TOvQN:M3Soxd5wRxc6FAbqYI07N

Malware Config

Extracted

Family

xtremerat

C2

youssvf.no-ip.biz

Řyoussvf.no-ip.biz

Targets

    • Target

      82515a842317ff8ee1c35812b0433634_JaffaCakes118

    • Size

      4.3MB

    • MD5

      82515a842317ff8ee1c35812b0433634

    • SHA1

      3ea612a37abd791f616d5fd39f2e2acfef64e24f

    • SHA256

      e74d8e70050e4b107cc18b363f9830c289fff64e60c6dd98e598c3096825645e

    • SHA512

      d940e7c9a812e30d3854b5084469d28baa351b451fe7c5b77915383772333eacdfa774d3711075712c9ad152caf7f1e678a57bad86f983d489301ac5aec9d0c2

    • SSDEEP

      98304:M++l/rWoxd5mBSqRxc60fhAMDubWhkYI+TOvQN:M3Soxd5wRxc6FAbqYI07N

    • Detect XtremeRAT payload

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • Xtremerat family

    • Boot or Logon Autostart Execution: Active Setup

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks