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Analysis

  • max time kernel
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 16:35

General

  • Target

    2d9fd77964f8158894a565d6572e8a56.exe

  • Size

    42KB

  • MD5

    2d9fd77964f8158894a565d6572e8a56

  • SHA1

    e005a49c559b291cde4342395ef8fe32ad80ded1

  • SHA256

    4366edf5bbed74ac0b12d7335ce66d69355725d592946f569e6e73fca8ea9d10

  • SHA512

    8a3e30d8ac64de856f9bb50e6f25692afce164da931314fb0e58f8c215df0c2cbed439f4ccde41a03099a3fdc479cc034bdc71f101a79ee058297fde4cec961e

  • SSDEEP

    768:UyD0q5iQ01bC2THA9uZELKrTjxKZKfgm3EhSZ:UyMC2Tg3LKrT9F7EEZ

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/870057531471446056/qEDFEywZ8jecxrjZSBnCrvr8Gflg1EnQaTVAdnZMp8Tg3-En0jU8o27-HB7BMVJrwZQD

Signatures

  • Mercurial Grabber Stealer

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

  • 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.

  • 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d9fd77964f8158894a565d6572e8a56.exe
    "C:\Users\Admin\AppData\Local\Temp\2d9fd77964f8158894a565d6572e8a56.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
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2216 -s 532
      2⤵
        PID:1160

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2216-0-0x00000000010E0000-0x00000000010F0000-memory.dmp

      Filesize

      64KB

    • memory/2216-1-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2216-2-0x000000001AD20000-0x000000001ADA0000-memory.dmp

      Filesize

      512KB

    • memory/2216-102-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2216-103-0x000000001AD20000-0x000000001ADA0000-memory.dmp

      Filesize

      512KB