Overview

overview

10

Static

static

10

R0X-Built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    R0X-Built.exe

  • Size

    409KB

  • Sample

    240510-g7499abd49

  • MD5

    a4a9308ce3b465b6b2dccb94b86d8a83

  • SHA1

    7e594db5d7adbffa0ca6cadad7a8b037156d90cc

  • SHA256

    98bbe270ca87c08856cc3dceafef76824baa96fe031d7f00f0517b2fd898e117

  • SHA512

    393af569d8d3cbe2a12fe0c938ccd15ff2247cd1e916de71b8567cb0beb7aa93991735baf9e00db657fa626e797a70699f290a96405a8abf03c3bb24e25f977b

  • SSDEEP

    12288:bpiREGJofVF99JK03/Mi57Ey6srDZkRYjT5+Mn2FyaZs:1wpJy9JK0PMi5oivSdi

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

looking-memphis.gl.at.ply.gg:45119:41251

Mutex

$Sxr-3vDee7FzoJnhqjuE3n

Attributes
  • encryption_key

    740ewEJmzLdsHQMggIQI

  • install_name

    $srr-powershell.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • startup_key

    $srr-powershell

  • subdirectory

    Windows

Targets

    • Target

      R0X-Built.exe

    • Size

      409KB

    • MD5

      a4a9308ce3b465b6b2dccb94b86d8a83

    • SHA1

      7e594db5d7adbffa0ca6cadad7a8b037156d90cc

    • SHA256

      98bbe270ca87c08856cc3dceafef76824baa96fe031d7f00f0517b2fd898e117

    • SHA512

      393af569d8d3cbe2a12fe0c938ccd15ff2247cd1e916de71b8567cb0beb7aa93991735baf9e00db657fa626e797a70699f290a96405a8abf03c3bb24e25f977b

    • SSDEEP

      12288:bpiREGJofVF99JK03/Mi57Ey6srDZkRYjT5+Mn2FyaZs:1wpJy9JK0PMi5oivSdi

    Score
    10/10
    quasarslavespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks