Overview

overview

10

Static

static

10

aa3e98f2f6...18.exe

windows7-x64

10

aa3e98f2f6...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aa3e98f2f621c0f160b64bf9a5578ea4_JaffaCakes118

  • Size

    348KB

  • Sample

    240614-r4wttayerk

  • MD5

    aa3e98f2f621c0f160b64bf9a5578ea4

  • SHA1

    89f79d0b76b1304c3aa46ef990dc372c7f9418a1

  • SHA256

    118715ae5a95abe6d4f72e498d390c398db5b8fe2240293c76c5356460cb7539

  • SHA512

    918c1e5293697d7b63c66f1e4a65799e967a35b644bda077fa33edaa4fff4f1c9a9383f332506804ac805ce176d4a5abbbb1a21b21c39d9c6bf9d05780e3ee77

  • SSDEEP

    6144:IfNHXf500MVdzr49i1A6buGJ8ln6Xh86jsZTFkPgD:+d50NQftGJu6Xh/yTFkPgD

Score
10/10
quasarguestlox228spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

guestlox228

C2

103.28.149.74:1604

Mutex

QSR_MUTEX_kBoGj0kqXQsz7AgjCf

Attributes
  • encryption_key

    9wM99evuMRa3Il14tKO1

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft OneDrive

  • subdirectory

    SubDir

Targets

    • Target

      aa3e98f2f621c0f160b64bf9a5578ea4_JaffaCakes118

    • Size

      348KB

    • MD5

      aa3e98f2f621c0f160b64bf9a5578ea4

    • SHA1

      89f79d0b76b1304c3aa46ef990dc372c7f9418a1

    • SHA256

      118715ae5a95abe6d4f72e498d390c398db5b8fe2240293c76c5356460cb7539

    • SHA512

      918c1e5293697d7b63c66f1e4a65799e967a35b644bda077fa33edaa4fff4f1c9a9383f332506804ac805ce176d4a5abbbb1a21b21c39d9c6bf9d05780e3ee77

    • SSDEEP

      6144:IfNHXf500MVdzr49i1A6buGJ8ln6Xh86jsZTFkPgD:+d50NQftGJu6Xh/yTFkPgD

    Score
    10/10
    quasarguestlox228spywaretrojan

    • 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.

    • Drops file in System32 directory

    behavioral1behavioral2

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks