Analysis

  • max time kernel
    101s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 18:57

General

  • Target

    output.exe

  • Size

    41KB

  • MD5

    8b857cb11e996e19689828dc4eb813e0

  • SHA1

    9ec9217dbf85ca6e6f958aede0d58458bf1c5a0e

  • SHA256

    1c0eea9f988f79c4d6d648efcfa1b9c6e0a930b3f18c2601d2d79dac4e83442c

  • SHA512

    23697a82f8dffebbea6e4f4bd0d90c71d4f6c688f2b9b5689c57116aff6656697eae8ec93c0d97447e29642bb5a937c99c6c0a949a610b81e56f9839579f1f91

  • SSDEEP

    768:MscWcQjfT6axpDXswguZkexWTj6KZKfgm3Ehf1:Dc8fnxEexWT2F7E91

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1279852929825636517/7lX2aEO7lrNMoPEpMSmCdjN3hbJSXsL6I59yrTwyNVhO7kpK0CSks9fXRfhM5lPYJ0uz

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.

  • Looks up external IP address via web service 2 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:4444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4444-0-0x00007FFA7FD33000-0x00007FFA7FD35000-memory.dmp

    Filesize

    8KB

  • memory/4444-1-0x0000000000590000-0x00000000005A0000-memory.dmp

    Filesize

    64KB

  • memory/4444-2-0x00007FFA7FD30000-0x00007FFA807F1000-memory.dmp

    Filesize

    10.8MB

  • memory/4444-3-0x00007FFA7FD33000-0x00007FFA7FD35000-memory.dmp

    Filesize

    8KB

  • memory/4444-4-0x00007FFA7FD30000-0x00007FFA807F1000-memory.dmp

    Filesize

    10.8MB

  • memory/4444-8-0x000000001C070000-0x000000001C1DA000-memory.dmp

    Filesize

    1.4MB

  • memory/4444-9-0x00007FFA7FD30000-0x00007FFA807F1000-memory.dmp

    Filesize

    10.8MB