General

  • Target

    https://github.com/xsplitst/RGF

  • Sample

    240501-rkk8zagf5z

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/975244014364270683/FZnH_sfT1E7Axl_7pfCffp86xK6BWVM_UXXb74CN2p4kpHxH_6kuQsuzlglxNPVfnIm6

Targets

    • Target

      https://github.com/xsplitst/RGF

    • 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

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Command and Control

Web Service

1
T1102

Tasks