Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 05:28

General

  • Target

    Mercurial_Grabber.exe

  • Size

    42KB

  • MD5

    018267f834c9980f1160e6d9269cfb88

  • SHA1

    b5b228925719546fc15da847db0f3bf7284b84a1

  • SHA256

    7a402b188130ac2302f938fcb2e73894034f177712c960563c78d4dabd0bce71

  • SHA512

    88e211601b3bb7cf0b2c5c44d2febe68c50c9a8a958027a8c4a106f763876267ee26a9c099fdd7efdec76386848d1d3a5ec1112473c0677a2db210e12908aa24

  • SSDEEP

    768:uoNriNY/0qlyfehX0Wl+uZwLoLTjbKZKfgm3Ehcz:kYMq0fQzlwLoLTXF7ESz

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/899427633924812880/W3wY7LN9luaz60TtoWHm0BKP65w6rvbYJqJA6YRfJp9wFxpNa30cIOFEEAkr56QFwZkK

Signatures

  • 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 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 3 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mercurial_Grabber.exe
    "C:\Users\Admin\AppData\Local\Temp\Mercurial_Grabber.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
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:4360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4360-0-0x0000000000980000-0x0000000000990000-memory.dmp

    Filesize

    64KB

  • memory/4360-1-0x00007FFB6D7C0000-0x00007FFB6E281000-memory.dmp

    Filesize

    10.8MB

  • memory/4360-2-0x000000001B650000-0x000000001B660000-memory.dmp

    Filesize

    64KB

  • memory/4360-10-0x00007FFB6D7C0000-0x00007FFB6E281000-memory.dmp

    Filesize

    10.8MB

  • memory/4360-11-0x000000001B650000-0x000000001B660000-memory.dmp

    Filesize

    64KB

  • memory/4360-12-0x00007FFB6D7C0000-0x00007FFB6E281000-memory.dmp

    Filesize

    10.8MB