Analysis

  • max time kernel
    20s
  • max time network
    17s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12/03/2024, 19:56

General

  • Target

    FreeAccsWithRobux.exe

  • Size

    42KB

  • MD5

    56adb3d844d2e1436afcc6a70d3ffc9e

  • SHA1

    05979ce27c95352374d2c8d2ef4a48adcfe3c2b1

  • SHA256

    0a0364341a4a63763b18b07ba41f2db7d341270fc185ec104e20935aaf66bef1

  • SHA512

    78da9c6669974f6b4160af9274758fe2fa9cb49b76abc29c1c0e6048806ce09e9196e4da1dd3c75d993f992261245e8f287444bacc413fb88a61ff1a9eac0729

  • SSDEEP

    768:PLzHY8YKcKIEomMkuZ5LZdTjSKZKfgm3EhIv:PHLYKcbcmLZdTWF7E6v

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/967818087334305842/HQwsR1nOaR_M-kbZ2mfX1otgcceaVRWUUdKr2xUtEeIf-WxnePA7h-WU2DPpoE8ep8lk

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FreeAccsWithRobux.exe
    "C:\Users\Admin\AppData\Local\Temp\FreeAccsWithRobux.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
    PID:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1328-0-0x0000000000810000-0x0000000000820000-memory.dmp

    Filesize

    64KB

  • memory/1328-1-0x00007FFF03FA0000-0x00007FFF04A62000-memory.dmp

    Filesize

    10.8MB

  • memory/1328-2-0x00000000029C0000-0x00000000029D0000-memory.dmp

    Filesize

    64KB

  • memory/1328-5-0x00007FFF03FA0000-0x00007FFF04A62000-memory.dmp

    Filesize

    10.8MB