Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-12-2024 13:01

General

  • Target

    Xenith external.exe

  • Size

    464KB

  • MD5

    e100e653c23372c11cb5f7d2e2aa19cd

  • SHA1

    3cde5da0c33f819bfdbe35217e0dc5b15f8de999

  • SHA256

    3dc8b2b1c3ced9219061ac2d7a000caa6b55d11b9b5588c4f08e3b9d2dbf63b5

  • SHA512

    53b96843996018800bbcfd2f36bc16df5329b6a6f225e5d24b9cc455ed158c352a671b37f0f9b5478ccc098f22ab7793d069a032a5b362eac720acdc594524d4

  • SSDEEP

    12288:s/UltPyOyoAWreyKs/+jJtgJzSOO8Z4zZY6dH:syPylrWrlGjJt8zLO8Z4zZY6dH

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1311424192897618040/nvddKCHqpLtA7pd9-TyyrZ_3e9j8wMmjTjbfWvCd7RK9QAr7enGcgBkVxbBAlPgUCT7x

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 4 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Xenith external.exe
    "C:\Users\Admin\AppData\Local\Temp\Xenith external.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
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2568-0-0x00007FF8F3493000-0x00007FF8F3495000-memory.dmp

    Filesize

    8KB

  • memory/2568-1-0x0000000000BF0000-0x0000000000C68000-memory.dmp

    Filesize

    480KB

  • memory/2568-2-0x00007FF8F3490000-0x00007FF8F3F52000-memory.dmp

    Filesize

    10.8MB

  • memory/2568-3-0x00007FF8F3493000-0x00007FF8F3495000-memory.dmp

    Filesize

    8KB

  • memory/2568-4-0x00007FF8F3490000-0x00007FF8F3F52000-memory.dmp

    Filesize

    10.8MB