General

  • Target
    13e0cd9d_by_Libranalysis
  • Size 109KB
  • Sample210519-e6rb25gwlx
  • SHA256 aa474883fd952e16e13715aa7a698fa8eb0d596fea71d03dfbaa235a1b08aa15
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • guloader

C2
  • http://hshjiopklmsacnzbcjuewahfdsnvmlazbcuewqjh.ydns.eu/Eric_2021_eyKIYWgo49.bin

xor.base64

Extracted

Family
  • remcos

C2
  • ghdyuienah123.freedynamicdns.org:2006

Targets

    • Target
      13e0cd9d_by_Libranalysis
    • Size 109KB
    • SHA256 aa474883fd952e16e13715aa7a698fa8eb0d596fea71d03dfbaa235a1b08aa15
    • MD5 SHA1 SHA512
    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Executes dropped EXE

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks