Analysis

  • max time kernel
    35s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 22:30

General

  • Target

    CompCrackCS2 hackvshack.net.exe

  • Size

    42KB

  • MD5

    cc282dac347859f02523b113fbf950df

  • SHA1

    b1f64bdf9dbaf5fd3a746a9061778e4c5f413266

  • SHA256

    5253fdc6e12e6e0f9c905a94a19b73aaab264cf4cc1095d49ef9b586774f6c5c

  • SHA512

    fc6fd485bfc884d7f593595a2918d8a4561e60c42d5af85a0f303e660cd78e8fd7e2367f5c8ad8ad628f4a5d5abc7edae4f4fb4345ef64a5cbc712af7ae5bb01

  • SSDEEP

    768:GYuoLvnDylOcVuZiLM0ATjdKZKfgm3EhFP:zjnD9c3LM0AT5F7E/P

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1329938790441029673/c7aglcCAMlKC8pUQT-VpN8dzl-UFYKJyxcIHmHkv-oow5mVVxQNTXkt4qNpv2phQPw8V

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\CompCrackCS2 hackvshack.net.exe
    "C:\Users\Admin\AppData\Local\Temp\CompCrackCS2 hackvshack.net.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:2756
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2756 -s 1404
      2⤵
        PID:3048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2756-0-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

      Filesize

      4KB

    • memory/2756-1-0x0000000000130000-0x0000000000140000-memory.dmp

      Filesize

      64KB

    • memory/2756-2-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

      Filesize

      9.9MB

    • memory/2756-3-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

      Filesize

      4KB

    • memory/2756-4-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

      Filesize

      9.9MB

    • memory/2756-5-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

      Filesize

      9.9MB