Analysis

  • max time kernel
    102s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-08-2022 09:10

General

  • Target

    62.exe

  • Size

    41KB

  • MD5

    0f289c574cf2946e3fd84ba061425bfe

  • SHA1

    340d5f331ac0e4683facc3bf117d0472fe2cff10

  • SHA256

    6201925f8700ecc0c8f00027abb04aead349f32c740dbfdbc05a4e591611fd0a

  • SHA512

    e1224b72519e58058d8ff4ba635fae7e44dc6353d8617700af87f467c9a7aba080eeccc43817bff179c3453b3d908ee84c4cc19ee726bbf6ad66cdc549db9753

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1004625930397941760/YNH_Jgj9nhV8oe0r-7dvWyBtDo1Q7cL3hfYJBCnjxIdcMjhI7nRRSZGvHYRF-gZSxZ8U

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
  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62.exe
    "C:\Users\Admin\AppData\Local\Temp\62.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:4660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4660-130-0x0000000000440000-0x0000000000450000-memory.dmp

    Filesize

    64KB

  • memory/4660-131-0x00007FF9DF670000-0x00007FF9E0131000-memory.dmp

    Filesize

    10.8MB

  • memory/4660-132-0x00007FF9DF670000-0x00007FF9E0131000-memory.dmp

    Filesize

    10.8MB