Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 12:11

General

  • Target

    output.exe

  • Size

    42KB

  • MD5

    6ef6b24a8a5be8c946c4c5e61bec578c

  • SHA1

    312df77bf61dd7ace8b5228d711a84f46adf3297

  • SHA256

    e98fb1692fc21fa4742d37e6386ad96a39a230905b56884e8192fbf641816375

  • SHA512

    1e6986bfc96633e3390d5b09099dc6533cb58d82bbb6a7a21f572dc097b7239272c7b5c72e9818fdf0c3da557a7080479926edb49dadca38f2aadf288fef5f05

  • SSDEEP

    768:btOpJpBZ6aZpDtsuuZ2LO0TjBKZKfgm3EhE5:Q1ZPsmLO0T1F7EO5

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1268904005900439704/aHcJRyaA1zmbznz3mFrqjZp_E0F9X_WvjA0KZFzhCghjBCchrAC64v7Qoe97xeUSXuao

Signatures

  • 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 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\output.exe
    "C:\Users\Admin\AppData\Local\Temp\output.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)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:1932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1932-1-0x00007FF9FAA23000-0x00007FF9FAA25000-memory.dmp

    Filesize

    8KB

  • memory/1932-0-0x0000000000B50000-0x0000000000B60000-memory.dmp

    Filesize

    64KB

  • memory/1932-2-0x00007FF9FAA20000-0x00007FF9FB4E1000-memory.dmp

    Filesize

    10.8MB

  • memory/1932-3-0x00007FF9FAA20000-0x00007FF9FB4E1000-memory.dmp

    Filesize

    10.8MB