Overview

overview

10

Static

static

10

6ffb3717d7...ee.exe

windows7-x64

10

6ffb3717d7...ee.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6ffb3717d7be4a8c03ec2c9ed3678ba9804696d38078cb1c2d1924487e2912ee

  • Size

    3.1MB

  • Sample

    240614-2hsv5syflb

  • MD5

    5be228f80c4787e5b4b5d4d49b74f3f8

  • SHA1

    1044191469a2ce9ba3e051d843016dd6f6457696

  • SHA256

    6ffb3717d7be4a8c03ec2c9ed3678ba9804696d38078cb1c2d1924487e2912ee

  • SHA512

    e664adccfaf7519c25d59312b49d72d1241e1e257d5e6bd7551186d0480f3864f87cd487bc6f098c3f6c5bd5e75655fae9f072f57e765ff0aa70db593857fb16

  • SSDEEP

    49152:DvrI22SsaNYfdPBldt698dBcjHIsk41JHroGddqYTHHB72eh2NT:DvU22SsaNYfdPBldt6+dBcjHIskkA

Score
10/10
quasaroffice01spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office01

C2

salchipingo2-53080.portmap.host:53080

Mutex

90649688-30a6-4c67-b372-718aef814cc7

Attributes
  • encryption_key

    854146EBC4756C532297D74168447215895A17F4

  • install_name

    Lenzs.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    v Startup

  • subdirectory

    SubDir

Targets

    • Target

      6ffb3717d7be4a8c03ec2c9ed3678ba9804696d38078cb1c2d1924487e2912ee

    • Size

      3.1MB

    • MD5

      5be228f80c4787e5b4b5d4d49b74f3f8

    • SHA1

      1044191469a2ce9ba3e051d843016dd6f6457696

    • SHA256

      6ffb3717d7be4a8c03ec2c9ed3678ba9804696d38078cb1c2d1924487e2912ee

    • SHA512

      e664adccfaf7519c25d59312b49d72d1241e1e257d5e6bd7551186d0480f3864f87cd487bc6f098c3f6c5bd5e75655fae9f072f57e765ff0aa70db593857fb16

    • SSDEEP

      49152:DvrI22SsaNYfdPBldt698dBcjHIsk41JHroGddqYTHHB72eh2NT:DvU22SsaNYfdPBldt6+dBcjHIskkA

    Score
    10/10
    quasaroffice01spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing common artifacts observed in infostealers

    • Executes dropped EXE

    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

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks