Analysis

  • max time kernel
    31s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2023 14:20

General

  • Target

    Gui.exe

  • Size

    42KB

  • MD5

    a5639d9fba8eb4eef2f77df909dc2c42

  • SHA1

    85c7a13c66017f9fd0298e992387fe3af52f671f

  • SHA256

    dd5b2a55930e52f30ac8dbac1db74dc9466023b882e83255cf933a21d5cb7e74

  • SHA512

    61ed7402064d357242d8f80aea2cc1ed33b2c92873b27f9d277ba25f7b7ebf78884c5054a90a5bf9dd9ceccb79b53685f81b1b21e7d818bcecf52aa2f3481dd3

  • SSDEEP

    384:vTiFRrI2KMxYr9LFD25s/XTNTWvs/XZxIh/goJEFq5nmjzTAsZKQsLd/SfgUfAGL:PPS5s/jNmuZaLezTjZKZKfgm3EhP+

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1140188713171828796/EdO0GFeboLY07OTk5287z6T5rsIIYIe6-vLDVXCqp-TT-g7bKeUkWn3LAxRwDEs8EqAs

Signatures

  • Mercurial Grabber Stealer

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Gui.exe
    "C:\Users\Admin\AppData\Local\Temp\Gui.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4228-133-0x00000000007D0000-0x00000000007E0000-memory.dmp

    Filesize

    64KB

  • memory/4228-134-0x00007FFBF4470000-0x00007FFBF4F31000-memory.dmp

    Filesize

    10.8MB

  • memory/4228-135-0x00007FFBF4470000-0x00007FFBF4F31000-memory.dmp

    Filesize

    10.8MB

  • memory/4228-136-0x0000000002850000-0x0000000002860000-memory.dmp

    Filesize

    64KB