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-hppyaacd79

  • MD5

    6755a8034c245ebe11816c1e80286929

  • SHA1

    b620053be1ac5845f10cec36a1072ed6b6e116f8

  • SHA256

    b26ec4d47dac00d294fe2b327c0f02d6b9c3ba14819ace77d972557640f1105e

  • SHA512

    96307fd18ab07df983d3c05c8354a0414888a01bea0a2d80d68a42ee6e8275acceaae3b709d9684a8b8945e8cbbff5eb71907d5eb329c8d9074c29f6d66ca7b8

  • SSDEEP

    12288:3piREGJfR9EqRg//vo3s6z06l/ao7nhvum9Aq:ZwpJdNFCo7hR

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

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

Mutex

$Sxr-3vDee7FzoJnhqjuE3n

Attributes
  • encryption_key

    bjv1MgUogo1kl6Tra7jd

  • 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

      6755a8034c245ebe11816c1e80286929

    • SHA1

      b620053be1ac5845f10cec36a1072ed6b6e116f8

    • SHA256

      b26ec4d47dac00d294fe2b327c0f02d6b9c3ba14819ace77d972557640f1105e

    • SHA512

      96307fd18ab07df983d3c05c8354a0414888a01bea0a2d80d68a42ee6e8275acceaae3b709d9684a8b8945e8cbbff5eb71907d5eb329c8d9074c29f6d66ca7b8

    • SSDEEP

      12288:3piREGJfR9EqRg//vo3s6z06l/ao7nhvum9Aq:ZwpJdNFCo7hR

    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.

    • 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

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks