Analysis

  • max time kernel
    81s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 21:06

General

  • Target

    82eaa69b588899fb845faabed20123055746989cf83a44579eb0ba808b359fc3.exe

  • Size

    57KB

  • MD5

    8b7b2c842c8533f4c815bf431181196c

  • SHA1

    af2422be2d84376cf4fbff1165accf44549108c7

  • SHA256

    82eaa69b588899fb845faabed20123055746989cf83a44579eb0ba808b359fc3

  • SHA512

    b07db555fb6fe73c7066e7c93a894014d64554bb284d0d43f556786c06836e1b41c22daa4e322dc6eb97d2afe4f07a40f468bd276b8609abc6ab1b3604276a21

  • SSDEEP

    768:yrLfRHhf9uZ+LMmTjWKZKfgm3EhI99clYC3VVyAfe42TevR7um:yBhfJLMmTaF7Ei99cLVVx0T8BN

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/898889485121646654/Xxon9mS9UonT3xyMDqO6eCIMgJjH0-mL9tBhX80ege_hMkOEMEtFNtSz1AyiX_Adui_Y

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 2 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\82eaa69b588899fb845faabed20123055746989cf83a44579eb0ba808b359fc3.exe
    "C:\Users\Admin\AppData\Local\Temp\82eaa69b588899fb845faabed20123055746989cf83a44579eb0ba808b359fc3.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:2392
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2392 -s 1396
      2⤵
        PID:2556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2392-0-0x000007FEF4E53000-0x000007FEF4E54000-memory.dmp

      Filesize

      4KB

    • memory/2392-1-0x0000000000E60000-0x0000000000E74000-memory.dmp

      Filesize

      80KB

    • memory/2392-2-0x000007FEF4E50000-0x000007FEF583C000-memory.dmp

      Filesize

      9.9MB

    • memory/2392-3-0x000007FEF4E53000-0x000007FEF4E54000-memory.dmp

      Filesize

      4KB

    • memory/2392-4-0x000007FEF4E50000-0x000007FEF583C000-memory.dmp

      Filesize

      9.9MB

    • memory/2392-5-0x000007FEF4E50000-0x000007FEF583C000-memory.dmp

      Filesize

      9.9MB