Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2024, 15:09

General

  • Target

    3ec500bfd9116541feae6cb37a154e043251a45ebdbe9b796e4a2fa57c08febd.exe

  • Size

    42KB

  • MD5

    4cea49db295bd9f09d12984c6fc2e19a

  • SHA1

    f562cf50c2b80d602f2a74ad843d39fab890b657

  • SHA256

    3ec500bfd9116541feae6cb37a154e043251a45ebdbe9b796e4a2fa57c08febd

  • SHA512

    561425ca1649e8520ac8dc0393c2792f7cc589394dc4568b6edd1f45d69d06a51539c5753bd3c8af1941b827cb716fb9e71c0ba8321f7c98dace53c3d13347fc

  • SSDEEP

    768:oOdx+GZKKqqI2xnrZDzuZELGZTjuKZKfgm3EhZ/H:oOGONqH2xlLLGZTCF7Ev/H

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/935649173599047730/Amb2iJjE-BIZXpjqj2qYKxUrx4_FO_A8CaejXf_BIiFAmtpJ8rrDJ2VN7yDAPlHG51fo

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 4 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.

  • 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\3ec500bfd9116541feae6cb37a154e043251a45ebdbe9b796e4a2fa57c08febd.exe
    "C:\Users\Admin\AppData\Local\Temp\3ec500bfd9116541feae6cb37a154e043251a45ebdbe9b796e4a2fa57c08febd.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)
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2372 -s 1308
      2⤵
        PID:2720

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2372-0-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

            Filesize

            4KB

          • memory/2372-1-0x00000000008A0000-0x00000000008B0000-memory.dmp

            Filesize

            64KB

          • memory/2372-2-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

            Filesize

            9.9MB

          • memory/2372-3-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

            Filesize

            4KB

          • memory/2372-4-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

            Filesize

            9.9MB

          • memory/2372-8-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

            Filesize

            9.9MB