Resubmissions

07-11-2024 16:29

241107-tzeqvawbpe 10

07-11-2024 06:54

241107-hpd6sazqap 10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 06:54

General

  • Target

    98e12d1098dae7e51260059a00b98ea0f197fd7b262e14693579cc8ba45e1fad.exe

  • Size

    42KB

  • MD5

    97481bcfd96a1bee367aed197aaa62f6

  • SHA1

    407e6b50c111909067a630f4acbd86c0ca90512e

  • SHA256

    98e12d1098dae7e51260059a00b98ea0f197fd7b262e14693579cc8ba45e1fad

  • SHA512

    b46e1eab0ce7d0926c3970e1832db467b2c74959c5117641e7ae543df7d83f650f42d2e214c922ac47b6649969075fd48d62bd3e1313990a2926cb0367f06a87

  • SSDEEP

    768:LRhQkBZ6an8z5pDtshuZNL4qTjZKZKfgm3EhMZ:F1n8z5PsoL4qTlF7EyZ

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/862165160868446228/lezUoxbmSKnQaLw4wvOac8i367NaU-u-NtZxLFuqODKoe-_rUnWLyrpHUCVBrouo6vPN

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\98e12d1098dae7e51260059a00b98ea0f197fd7b262e14693579cc8ba45e1fad.exe
    "C:\Users\Admin\AppData\Local\Temp\98e12d1098dae7e51260059a00b98ea0f197fd7b262e14693579cc8ba45e1fad.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:2972
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2972 -s 1404
      2⤵
        PID:2684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2972-0-0x000007FEF57E3000-0x000007FEF57E4000-memory.dmp

      Filesize

      4KB

    • memory/2972-1-0x0000000000C00000-0x0000000000C10000-memory.dmp

      Filesize

      64KB

    • memory/2972-2-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2972-3-0x000007FEF57E3000-0x000007FEF57E4000-memory.dmp

      Filesize

      4KB

    • memory/2972-4-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2972-5-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

      Filesize

      9.9MB