Overview

overview

10

Static

static

10

bd4e7d3310...18.exe

windows7-x64

10

bd4e7d3310...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    bd4e7d3310c773c469168d5df28cf478_JaffaCakes118

  • Size

    348KB

  • Sample

    240619-t62h7ayckk

  • MD5

    bd4e7d3310c773c469168d5df28cf478

  • SHA1

    a6642d7936d60d4808c31ee7dba7211116dcfcff

  • SHA256

    d6ddf50bb4cca4910184dd2c17c38f94cae0e6a66f8b0d247731e16df1675492

  • SHA512

    a5359d30a81b41bf089ac2001f7e838b0b7dc2a38d5a90bf832a0d4ea317ae0dc30f57aaed8acdfdb82472459c6f2d8b6d9544d5fd4ddf57abc3376158c9c135

  • SSDEEP

    6144:Sg6bPXhLApfpPnN9SqZRjqb5nryybInr88I4gpUxdNG:HmhApP9Sq7KJE88I4KUxjG

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

yohavoc.duckdns.org:200

Mutex

QSR_MUTEX_LjqAkGQit7iADYFldn

Attributes
  • encryption_key

    EJc41BpGuBKTbMfcan1S

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Discord

  • subdirectory

    SubDir

Targets

    • Target

      bd4e7d3310c773c469168d5df28cf478_JaffaCakes118

    • Size

      348KB

    • MD5

      bd4e7d3310c773c469168d5df28cf478

    • SHA1

      a6642d7936d60d4808c31ee7dba7211116dcfcff

    • SHA256

      d6ddf50bb4cca4910184dd2c17c38f94cae0e6a66f8b0d247731e16df1675492

    • SHA512

      a5359d30a81b41bf089ac2001f7e838b0b7dc2a38d5a90bf832a0d4ea317ae0dc30f57aaed8acdfdb82472459c6f2d8b6d9544d5fd4ddf57abc3376158c9c135

    • SSDEEP

      6144:Sg6bPXhLApfpPnN9SqZRjqb5nryybInr88I4gpUxdNG:HmhApP9Sq7KJE88I4KUxjG

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks