Resubmissions

10-09-2024 20:12

240910-yy98ksvamg 10

10-09-2024 19:45

240910-yghf8s1gqn 10

10-09-2024 19:36

240910-ybfqfs1ekj 10

Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 19:45

General

  • Target

    Boosttrapper.exe

  • Size

    41KB

  • MD5

    6dbeca583b9076080c5906a8390b682f

  • SHA1

    2e065578d2014163123a9385127b8089130d5d9b

  • SHA256

    c85e0123fb0b3d29aae8881413fde27cb7054640e96f8d8340c41df731bcd7e0

  • SHA512

    77e1422802a153a155451796adaf307a5d04496e497ab697d66e030ab2a2b73d956c8fad0a48295230c55922d28eec3375e990bd44f30e8c8a2cc4d3a7416a38

  • SSDEEP

    768:uscaIiIq3KHWOJTw3duZSeiWTjHKZKfgm3EhuS:dc1KKHHoXeiWTLF7EcS

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1283148683948458076/nwSWn_1EUZ_xJZvUQAdPKe2Ale9RGmJpW5fCqCBqQQxxiGuweCIzhQUdNMd16Z7sffgt

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 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\Boosttrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Boosttrapper.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:4056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4056-0-0x00007FFF9EEC3000-0x00007FFF9EEC5000-memory.dmp

    Filesize

    8KB

  • memory/4056-1-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

    Filesize

    64KB

  • memory/4056-2-0x00007FFF9EEC0000-0x00007FFF9F981000-memory.dmp

    Filesize

    10.8MB

  • memory/4056-3-0x00007FFF9EEC3000-0x00007FFF9EEC5000-memory.dmp

    Filesize

    8KB

  • memory/4056-4-0x00007FFF9EEC0000-0x00007FFF9F981000-memory.dmp

    Filesize

    10.8MB

  • memory/4056-8-0x00007FFF9EEC0000-0x00007FFF9F981000-memory.dmp

    Filesize

    10.8MB