General

  • Target

    Youtube-Viewer Bot.zip

  • Size

    34.1MB

  • Sample

    240824-knhtpatfll

  • MD5

    b788e8c16e152f8515dde56aeba3d493

  • SHA1

    d9bfbde74f2819aa681a593163276ddeabec8472

  • SHA256

    d83c990e504a8d9cca2befd3ad87d939ca07d8e2d5919cb9b918ae4434d88f4c

  • SHA512

    bd9d68bb9c5e078cccd940319a17eb31e1c543fa0422cdc94d6700d23300b52dafdff2327b5d4893debc971218d57b3602389534f53448c85b389af7617341d1

  • SSDEEP

    786432:YYBVw1zLP45EPq4Z2imvJ8PJDPD1/bT9AIwxZWueo5nlXpezhM:YsO450qXJ4Pxv9AIwxZWueo3Ze2

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7308213044:AAFm9yNR1WX2-QnC_ZcUdYHkkJGg7179JYE/sendMessag

Targets

    • Target

      Youtube-Viewer Bot.zip

    • Size

      34.1MB

    • MD5

      b788e8c16e152f8515dde56aeba3d493

    • SHA1

      d9bfbde74f2819aa681a593163276ddeabec8472

    • SHA256

      d83c990e504a8d9cca2befd3ad87d939ca07d8e2d5919cb9b918ae4434d88f4c

    • SHA512

      bd9d68bb9c5e078cccd940319a17eb31e1c543fa0422cdc94d6700d23300b52dafdff2327b5d4893debc971218d57b3602389534f53448c85b389af7617341d1

    • SSDEEP

      786432:YYBVw1zLP45EPq4Z2imvJ8PJDPD1/bT9AIwxZWueo5nlXpezhM:YsO450qXJ4Pxv9AIwxZWueo3Ze2

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks