Analysis

  • max time kernel
    10s
  • max time network
    8s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    28/03/2025, 14:00

General

  • Target

    RobloxGameGrabber.exe

  • Size

    41KB

  • MD5

    9036134c2be4ab6b93490feaf419d4bf

  • SHA1

    9e4157ed13486a5af5e5691a6e4ffc8f26c7d41b

  • SHA256

    9611ea81bb2bda5a577acd871994640ed4bcd18aff6ddeac7e04ac1fa03b0745

  • SHA512

    b5c43a17018746a99aecbdadd9be913bd2cc5aeecc197f62174d8a6d2a145c2b9e6490e744100eb0f2694210ea400e52bb81234d575cd04fbd0af0d2746641d2

  • SSDEEP

    768:WscaIyIS+7YxGPvSPYwXuZEexWTjRKZKfgm3EhCi:1c1VYZPlexWTVF7EUi

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1355108897274335281/KUJHOdJ9fi_OBnTO2gCQuVLlon_zu1H8UnvtnoGPgzOWPkGZQ6u9AbDxJah1n7h7C1TE

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Mercurialgrabber family
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxGameGrabber.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxGameGrabber.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:1108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1108-0-0x00007FFD8DBC3000-0x00007FFD8DBC5000-memory.dmp

    Filesize

    8KB

  • memory/1108-1-0x0000000000410000-0x0000000000420000-memory.dmp

    Filesize

    64KB

  • memory/1108-2-0x00007FFD8DBC0000-0x00007FFD8E682000-memory.dmp

    Filesize

    10.8MB

  • memory/1108-3-0x00007FFD8DBC3000-0x00007FFD8DBC5000-memory.dmp

    Filesize

    8KB

  • memory/1108-4-0x00007FFD8DBC0000-0x00007FFD8E682000-memory.dmp

    Filesize

    10.8MB