Overview

overview

10

Static

static

10

lols.exe

windows10-2004-x64

10

lols.exe

windows11-ltsc_2024-x64

10

Resubmissions

20/09/2026, 14:06

260920-revv8acb6810

20/09/2026, 14:02

260920-rcjp6sxhld10

Sharing

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General

  • Target
    lols.exe
  • Size 16.3MB
  • Sample260920-revv8acb68
  • SHA256 57e189769b36bae3aa0570b8f714db555e2ff677fae052818cc454fb61e8406b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarxmrigoffice04adwaredefense_evasiondiscoveryminerpersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • k34ubnxh.free.pwrp.cc:10060

Mutex

  • 61feac9c-bec4-430d-bdec-68ded98f6b38

Attributes
  • encryption_key

    6CCA79AF34B4403DC30C315A41DAFBEE784F279D

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      lols.exe
    • Size 16.3MB
    • SHA256 57e189769b36bae3aa0570b8f714db555e2ff677fae052818cc454fb61e8406b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwareoffice04discoveryquasarxmrigminerpersistenceransomwarespywarestealertrojandefense_evasion

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Quasar payload

    • Windows security bypass

      defense_evasiontrojan

    • XMRig Miner payload

      miner

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Windows security modification

      defense_evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks