Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 21:10

General

  • Target

    juangameplaysElJuego.exe

  • Size

    520KB

  • MD5

    6dbf6db459134db2891675f7973ccde5

  • SHA1

    e1092f1c38646b911a1e269d575699d0e2dde9b3

  • SHA256

    4475f0f0fb251027fab5c3b02a72d7a7d030ba08892e5ad3be18bfb7674b609a

  • SHA512

    1ac4cb14c109e93c80744ad6ad7792c6ab86412e0432b140a5faf92e0d9adc101d5ee2285b82a12e844e67bdd4d59e36879a26204d8b20989c26c02c945bc648

  • SSDEEP

    6144:AAx92L79F3QYwB78xkstZMmsvTFwY97x7SykrnIPh7hw8ZPGBPk9krThFWC:AAx92bLwB8qsmvTBNDkrnwzFJomUThc

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1294943124694630481/Vc7t1zcSQrJS099-W4Z8zg6xnPq7IAfeqBkgXXwY4JGCvfxDkvKRbJSNQw9hwsU-FnNW

Signatures

  • Mercurial Grabber Stealer

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

  • Mercurialgrabber family
  • 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 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\juangameplaysElJuego.exe
    "C:\Users\Admin\AppData\Local\Temp\juangameplaysElJuego.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
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2272 -s 1400
      2⤵
        PID:2856

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2272-0-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

      Filesize

      4KB

    • memory/2272-1-0x00000000003C0000-0x0000000000446000-memory.dmp

      Filesize

      536KB

    • memory/2272-2-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

      Filesize

      9.9MB

    • memory/2272-3-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

      Filesize

      4KB

    • memory/2272-4-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

      Filesize

      9.9MB

    • memory/2272-5-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

      Filesize

      9.9MB