Overview

overview

10

Static

static

1

Uni.bat

windows10-1703-x64

10

Uni.bat

windows7-x64

7

Uni.bat

windows10-2004-x64

10

Uni.bat

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Uni.bat

  • Size

    303KB

  • Sample

    240508-vm1cfsgh72

  • MD5

    12721198b3fa1b9839df22c9297e663f

  • SHA1

    2f8d976de00df2fdfda36441d019545659686d88

  • SHA256

    0ad330a4fbc8885fcfe1f2eebf36a408738672b98a03baff58ffc475d314f31f

  • SHA512

    613d63deead400ba450577335589d14f428ed59a7910f8d28f869117abed912cfaeac32a50ed5a7d518a884623eb88b23dc3784dd42062a40597b62f9fb3bdbd

  • SSDEEP

    6144:ErUy5osDY/LW3as3lsvN1yq9OJO7UBlaOjQS7GVhwl:25op6jlsv6JO7UBAOjOhg

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SLAVE

C2

even-lemon.gl.at.ply.gg:33587

Mutex

$Sxr-dOMA5C0pQTTpKjVsCp

Attributes
  • encryption_key

    UBXs44u6E81wxBGZxQHk

  • install_name

    $sxr-powershell.exe

  • log_directory

    $SXR-KEYLOGS

  • reconnect_delay

    3000

  • startup_key

    $sxr-powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      Uni.bat

    • Size

      303KB

    • MD5

      12721198b3fa1b9839df22c9297e663f

    • SHA1

      2f8d976de00df2fdfda36441d019545659686d88

    • SHA256

      0ad330a4fbc8885fcfe1f2eebf36a408738672b98a03baff58ffc475d314f31f

    • SHA512

      613d63deead400ba450577335589d14f428ed59a7910f8d28f869117abed912cfaeac32a50ed5a7d518a884623eb88b23dc3784dd42062a40597b62f9fb3bdbd

    • SSDEEP

      6144:ErUy5osDY/LW3as3lsvN1yq9OJO7UBlaOjQS7GVhwl:25op6jlsv6JO7UBAOjOhg

    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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    behavioral1behavioral2behavioral3behavioral4

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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks