General

  • Target

    JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10

  • Size

    747KB

  • Sample

    250412-nl142atvdz

  • MD5

    b21e16d26a741f0ebafdcb4773f4af10

  • SHA1

    2dccc61d0b5ed0f598596426fb9624963aab5727

  • SHA256

    2003b6788d0ae9f3dfa199d6b458683024935e561c922fa54f2a30a995b54755

  • SHA512

    58c96ee217a5afe313921b27685a068952600bbba76aaf05834d20f06e2540944094672f9055a4463041ae22e5f2cbcd7eedfee3b549faafb25e49d9f8bb7ace

  • SSDEEP

    12288:Y1j327fuuvuEPdPnP+hVdC2DBHgeas88MEqj4CFRA+LjTUf3rH3OvA:YEzuEVPnWhVdCyBAy88o4CN/y3LMA

Malware Config

Extracted

Family

xtremerat

C2

lethal.no-ip.org

타慮뀀lethal.no-ip.org

踀Microsolethal.no-ip.org

Targets

    • Target

      JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10

    • Size

      747KB

    • MD5

      b21e16d26a741f0ebafdcb4773f4af10

    • SHA1

      2dccc61d0b5ed0f598596426fb9624963aab5727

    • SHA256

      2003b6788d0ae9f3dfa199d6b458683024935e561c922fa54f2a30a995b54755

    • SHA512

      58c96ee217a5afe313921b27685a068952600bbba76aaf05834d20f06e2540944094672f9055a4463041ae22e5f2cbcd7eedfee3b549faafb25e49d9f8bb7ace

    • SSDEEP

      12288:Y1j327fuuvuEPdPnP+hVdC2DBHgeas88MEqj4CFRA+LjTUf3rH3OvA:YEzuEVPnWhVdCyBAy88o4CN/y3LMA

    • Detect XtremeRAT payload

    • Modifies WinLogon for persistence

    • XtremeRAT

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

    • Xtremerat family

    • Adds policy Run key to start application

    • 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 computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks