Overview

overview

10

Static

static

10

Client-bui...xe.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Client-built.cgcgfc exe.exe

  • Size

    3.1MB

  • Sample

    240627-19xgzathna

  • MD5

    9223ab0ca4806bf3dd04028102f419f6

  • SHA1

    328c1c84dbd3f86dbb73d685fadd73ff5b9b3ed8

  • SHA256

    4af60d406e55a778908d791016f1afc14b6b72253197328264e4939eddcb7d68

  • SHA512

    ad0f6f573e885ca9c382cb1fdc86963373c4fc27f4c09a572aed4e6a22bfa4db34c2e987ff4afa999f2cfb024039f9d08911b6cb0089eb14d92ca8fbe366d771

  • SSDEEP

    49152:yv0t62XlaSFNWPjljiFa2RoUYIARk81JHGoGd2THHB72eh2NT:yvo62XlaSFNWPjljiFXRoUYIARkJ

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

/0.tcp.eu.ngrok.io:12165

Mutex

fbfe2df1-f4ca-4d07-920f-4075f27bc8a1

Attributes
  • encryption_key

    B22432E943AA88394E5F97387369DCA7D8B67608

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    1

  • startup_key

    system 32

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.cgcgfc exe.exe

    • Size

      3.1MB

    • MD5

      9223ab0ca4806bf3dd04028102f419f6

    • SHA1

      328c1c84dbd3f86dbb73d685fadd73ff5b9b3ed8

    • SHA256

      4af60d406e55a778908d791016f1afc14b6b72253197328264e4939eddcb7d68

    • SHA512

      ad0f6f573e885ca9c382cb1fdc86963373c4fc27f4c09a572aed4e6a22bfa4db34c2e987ff4afa999f2cfb024039f9d08911b6cb0089eb14d92ca8fbe366d771

    • SSDEEP

      49152:yv0t62XlaSFNWPjljiFa2RoUYIARk81JHGoGd2THHB72eh2NT:yvo62XlaSFNWPjljiFXRoUYIARkJ

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1

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

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks