Overview

overview

10

Static

static

10

Client-built2.exe

windows10-1703-x64

10

Client-built2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built2.exe

  • Size

    3.1MB

  • Sample

    240602-b9v7gafd75

  • MD5

    822eed302ff25105073dfb79ea894215

  • SHA1

    2e5153d66fdc1837b387bf33a2292f6f2ec474d5

  • SHA256

    397bd422af47cc0511d28b77593f1d768864ff7f76765fc778d9dc3115dc0f98

  • SHA512

    fc89bc8d9ed1a7bdb4163222d59ec345a0e039c4fc0475467e91211e9a15bd5aa6436bf36062e1487fd6d3bad06b1aebea8e41360f559348c3c4cafcbfa16e2a

  • SSDEEP

    49152:KvyI22SsaNYfdPBldt698dBcjHk5xNESE5k/i0LoGdLTHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjHaxE6

Score
10/10
quasardusanpersistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

dusan

C2

192.168.178.20:4782

Mutex

ded81f24-0e54-4985-a1fb-e180db45c27d

Attributes
  • encryption_key

    A81486939BB2FAD2A02EAF76B26242A2A9C6D91B

  • install_name

    katani.exe

  • log_directory

    Log

  • reconnect_delay

    3000

  • startup_key

    hacked by katani :)

  • subdirectory

    download

Targets

    • Target

      Client-built2.exe

    • Size

      3.1MB

    • MD5

      822eed302ff25105073dfb79ea894215

    • SHA1

      2e5153d66fdc1837b387bf33a2292f6f2ec474d5

    • SHA256

      397bd422af47cc0511d28b77593f1d768864ff7f76765fc778d9dc3115dc0f98

    • SHA512

      fc89bc8d9ed1a7bdb4163222d59ec345a0e039c4fc0475467e91211e9a15bd5aa6436bf36062e1487fd6d3bad06b1aebea8e41360f559348c3c4cafcbfa16e2a

    • SSDEEP

      49152:KvyI22SsaNYfdPBldt698dBcjHk5xNESE5k/i0LoGdLTHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjHaxE6

    Score
    10/10
    quasardusanpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks