Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 05:45

General

  • Target

    Mercurial_Grabber.exe

  • Size

    147KB

  • MD5

    646de794b55745c14c3dce0e1b30a2c1

  • SHA1

    0a485f590a54bdc38848e82aa7429919e7132013

  • SHA256

    c49470b4ee54a78fd1b8215642a0afc43799679581d85bd2099e3c534a7136f5

  • SHA512

    66b7051ec4e280fe35393b1c3799af2e60f4cef249304ee4755ee7e0ffa1331ffc6bc49a5bfc0e9414825a60cd20ccf340c44d6243831e5e075985f67368f192

  • SSDEEP

    768:ooNreY8YmjRFZomMLuZiLoLTjbKZKfgm3EhKhJegFH4MkaL5PEs:oLYm7RKLoLTXF7EIhnH4QL5cs

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:1424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1424-0-0x0000000000080000-0x00000000000AA000-memory.dmp

    Filesize

    168KB

  • memory/1424-1-0x00007FFBD8CD0000-0x00007FFBD9791000-memory.dmp

    Filesize

    10.8MB

  • memory/1424-2-0x000000001AC10000-0x000000001AC20000-memory.dmp

    Filesize

    64KB

  • memory/1424-10-0x00007FFBD8CD0000-0x00007FFBD9791000-memory.dmp

    Filesize

    10.8MB

  • memory/1424-11-0x000000001AC10000-0x000000001AC20000-memory.dmp

    Filesize

    64KB

  • memory/1424-12-0x00007FFBD8CD0000-0x00007FFBD9791000-memory.dmp

    Filesize

    10.8MB