General

  • Target

    WEBQBbyJ

  • Size

    2KB

  • Sample

    240802-pnd8qawgrm

  • MD5

    96e7b818e9d42c61b20670d85427878b

  • SHA1

    cdee94f733014b0c9a503a2b90d2ef41ffa83926

  • SHA256

    84f3e6aed1fdfb4e343deecdc5a06396c376b75a7766d00c2892270b9d2eba35

  • SHA512

    aa0daf365baaf4864d53039ae78eda932f9f90e5cad4659e94b1aea7dbad2865a7fe65cdaa9065e8ce545a70f6920275bc7fcdf07d7f24ccdad502aabebd9dba

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1268907786306322535/8vxUjZTvXYwCEl6UAC5vC5hTn_9ziV3cLHZrWK2FoIzHaIBUDkq8IvytioecE79oyZff

Targets

    • Target

      WEBQBbyJ

    • Size

      2KB

    • MD5

      96e7b818e9d42c61b20670d85427878b

    • SHA1

      cdee94f733014b0c9a503a2b90d2ef41ffa83926

    • SHA256

      84f3e6aed1fdfb4e343deecdc5a06396c376b75a7766d00c2892270b9d2eba35

    • SHA512

      aa0daf365baaf4864d53039ae78eda932f9f90e5cad4659e94b1aea7dbad2865a7fe65cdaa9065e8ce545a70f6920275bc7fcdf07d7f24ccdad502aabebd9dba

    • Mercurial Grabber Stealer

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks