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Analysis

  • max time kernel
    91s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2024, 02:05

General

  • Target

    Blueness.exe

  • Size

    41KB

  • MD5

    b21ac4a352ff7497ceb505a2bcfa675b

  • SHA1

    b7f7c37e3698007d669996d55fe69816e40053a3

  • SHA256

    bef85bf8492824353c84665db8cbadf6d778e9105a580bb7dd0cf9137578c422

  • SHA512

    80f3418c05aeea581fddc0636846141841605352aeac000dd94190632b86b99c9a537a8aac74e27c417ecd11a3f9a628b4ecfd39f0c6994b527c6e8b34457159

  • SSDEEP

    384:yAaUZDRC2PZeXg25upQ1X+P2eYevLpCIb2uEy5y8Tcjs/XZxIh/0gJEFq5nmXQsU:NgPzetQIxo8CuZ0LaTCKZKfgm3Ehbr

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/861182160127918150/IeKGPUb8uRkJyZG3-A_U2CxLcPPUzrC0ck9yhlV2_vvu5pqPvyVmoHbHH0moBP3VhtWY

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
  • 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 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Blueness.exe
    "C:\Users\Admin\AppData\Local\Temp\Blueness.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2324-1-0x00007FFB476E3000-0x00007FFB476E5000-memory.dmp

    Filesize

    8KB

  • memory/2324-0-0x0000000000610000-0x0000000000620000-memory.dmp

    Filesize

    64KB

  • memory/2324-2-0x00007FFB476E0000-0x00007FFB481A1000-memory.dmp

    Filesize

    10.8MB

  • memory/2324-3-0x00007FFB476E0000-0x00007FFB481A1000-memory.dmp

    Filesize

    10.8MB

  • memory/2324-7-0x00007FFB476E0000-0x00007FFB481A1000-memory.dmp

    Filesize

    10.8MB