Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240702-cb1vqswbjr

  • MD5

    589c24761ab9fa34227a089bb143f0d9

  • SHA1

    04494373772d7317ec0e3478d8a46d02295674c1

  • SHA256

    32482459ae887086ef09bc2d59ab47dab620cb4fc3912c8e9433c1ff0b803600

  • SHA512

    b87e1c2f0aad4baadcc8028a246607cc0bf2504548367a47c080ea59f361928cf5e887319c21191fdec3720681bf06cb2e8926ebeb9afb5d733b9d0daa1c1bcf

  • SSDEEP

    49152:PvOI22SsaNYfdPBldt698dBcjHBCi1JmLoGdNtTHHB72eh2NT:Pvj22SsaNYfdPBldt6+dBcjHBCR

Score
10/10
quasarsolaraspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Solara

C2

192.168.0.23:4782

Mutex

39c5c45c-62a0-4623-a904-5cbad2aa6b55

Attributes
  • encryption_key

    41AD0502F025DD3F47720DC4BDEED540F3EAFD12

  • install_name

    securekerneI.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Update

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      589c24761ab9fa34227a089bb143f0d9

    • SHA1

      04494373772d7317ec0e3478d8a46d02295674c1

    • SHA256

      32482459ae887086ef09bc2d59ab47dab620cb4fc3912c8e9433c1ff0b803600

    • SHA512

      b87e1c2f0aad4baadcc8028a246607cc0bf2504548367a47c080ea59f361928cf5e887319c21191fdec3720681bf06cb2e8926ebeb9afb5d733b9d0daa1c1bcf

    • SSDEEP

      49152:PvOI22SsaNYfdPBldt698dBcjHBCi1JmLoGdNtTHHB72eh2NT:Pvj22SsaNYfdPBldt6+dBcjHBCR

    Score
    10/10
    quasarsolaraspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    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

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks