General

  • Target

    https://www.mediafire.com/file/qdrjksv6h3r0ixy/GrobolothCord_0.2.1.rar/file

  • Sample

    240626-pvsdxsvcre

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1254849061228642365/phTgMXDJ-qRLPMIE-AZRnQ7m3YiDxvU6lGj7ERS8M_zGTrIJoxZxBBrlJTS-Y3rQuMeQ

Targets

    • Target

      https://www.mediafire.com/file/qdrjksv6h3r0ixy/GrobolothCord_0.2.1.rar/file

    • Mercurial Grabber Stealer

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

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

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

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Tasks