Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2024 00:39

General

  • Target

    aslocs fornite private.exe

  • Size

    42KB

  • MD5

    35b0e8ef8de9e7393fd78f2343de3306

  • SHA1

    a9327f2b2588a1cda883fcbc0fccecc6dafc090c

  • SHA256

    a99582c7eed4c60e902bc1d337d940a7b4bd51eeb2446d36c2c0a00e557d5e69

  • SHA512

    7f05a9b2aea4e3466387004167591aa6d8bbec805740015e9f984340cf1e835ce033173366c8ba59c9fa0c352cc2dec10d59951acd8ed0d56b66945949b6c369

  • SSDEEP

    768:dDkeaGY32DrYLb5zV3iHuZqLxLTjaKZKfgm3EhVN:dDkeaGY339zV3i5LxLTuF7ELN

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1312576996676735026/0WSfXBg86sbY5a_fCBw_VLk8b6d2IwvDHbVhu2myV5U3i9chwzDSpBiwVypg7K1zPX3-

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\aslocs fornite private.exe
    "C:\Users\Admin\AppData\Local\Temp\aslocs fornite private.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:2324
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2324 -s 1400
      2⤵
        PID:2764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2324-0-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

      Filesize

      4KB

    • memory/2324-1-0x0000000000020000-0x0000000000030000-memory.dmp

      Filesize

      64KB

    • memory/2324-2-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

      Filesize

      9.9MB

    • memory/2324-3-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

      Filesize

      4KB

    • memory/2324-4-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

      Filesize

      9.9MB

    • memory/2324-5-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

      Filesize

      9.9MB