Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 12:29

General

  • Target

    e98fb1692fc21fa4742d37e6386ad96a39a230905b56884e8192fbf641816375.exe

  • Size

    42KB

  • MD5

    6ef6b24a8a5be8c946c4c5e61bec578c

  • SHA1

    312df77bf61dd7ace8b5228d711a84f46adf3297

  • SHA256

    e98fb1692fc21fa4742d37e6386ad96a39a230905b56884e8192fbf641816375

  • SHA512

    1e6986bfc96633e3390d5b09099dc6533cb58d82bbb6a7a21f572dc097b7239272c7b5c72e9818fdf0c3da557a7080479926edb49dadca38f2aadf288fef5f05

  • SSDEEP

    768:btOpJpBZ6aZpDtsuuZ2LO0TjBKZKfgm3EhE5:Q1ZPsmLO0T1F7EO5

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1268904005900439704/aHcJRyaA1zmbznz3mFrqjZp_E0F9X_WvjA0KZFzhCghjBCchrAC64v7Qoe97xeUSXuao

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e98fb1692fc21fa4742d37e6386ad96a39a230905b56884e8192fbf641816375.exe
    "C:\Users\Admin\AppData\Local\Temp\e98fb1692fc21fa4742d37e6386ad96a39a230905b56884e8192fbf641816375.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:1864
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1864 -s 1788
      2⤵
        PID:2904

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1864-0-0x000007FEF66B3000-0x000007FEF66B4000-memory.dmp

      Filesize

      4KB

    • memory/1864-1-0x0000000000A40000-0x0000000000A50000-memory.dmp

      Filesize

      64KB

    • memory/1864-2-0x000007FEF66B0000-0x000007FEF709C000-memory.dmp

      Filesize

      9.9MB

    • memory/1864-3-0x000007FEF66B3000-0x000007FEF66B4000-memory.dmp

      Filesize

      4KB

    • memory/1864-4-0x000007FEF66B0000-0x000007FEF709C000-memory.dmp

      Filesize

      9.9MB