Analysis

  • max time kernel
    32s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 19:42

General

  • Target

    Spoofer.exe

  • Size

    42KB

  • MD5

    a1baabfc69147abcad27edeb039b2c48

  • SHA1

    4b7ecee83d1f878e80c42d48b8e3526199017621

  • SHA256

    eb0c301974a821dedb5970184a934715cbe92abffb8a7532a990bf12ae824e4f

  • SHA512

    1a424b500dd64af5cb4527fdc6136be3687db6d88222859744e2495edd6670efdb826761515bd2fd67263eee2c8033026ed888ce8e9f7097e515c7b35ec99a3d

  • SSDEEP

    768:eaRlnERMjPsRNGAuZNLJpTjEKZKfgm3EhFe:eRMTsjGnLJpToF7Ene

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1308437525995458580/tUCFfkyMze1B-I4wpnAKAPeE5f0RIWtyWwzWg3ZmQtPlguWlMw52Bcp3BrDC8rz1AXzP

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.

  • 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\Spoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\Spoofer.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:1656
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1656 -s 1456
      2⤵
        PID:2828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1656-0-0x000007FEF5DE3000-0x000007FEF5DE4000-memory.dmp

      Filesize

      4KB

    • memory/1656-1-0x00000000009D0000-0x00000000009E0000-memory.dmp

      Filesize

      64KB

    • memory/1656-2-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

      Filesize

      9.9MB

    • memory/1656-3-0x000007FEF5DE3000-0x000007FEF5DE4000-memory.dmp

      Filesize

      4KB

    • memory/1656-4-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

      Filesize

      9.9MB

    • memory/1656-5-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

      Filesize

      9.9MB