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-shmjpaxhnf

  • MD5

    2a5d0a7b5310648731b92060b723cfdf

  • SHA1

    c020d8e9536c351d85e9b76d5232e5030c0fff6d

  • SHA256

    c66affad00d79ff0a9189ea5c9f389b064b17c1afccca2a6c7bd2bed30801d50

  • SHA512

    39cc62dd3bbc8ee15eb37107de972bad1bbc1dde953dcb734cf391020691e6121fc38b64207e18da9a6a01fed8ea0860b67273cb6f3f328d89396c4a192c3efb

  • SSDEEP

    49152:GvOI22SsaNYfdPBldt698dBcjHDxDE/gTk/JxAoGdcTHHB72eh2NT:Gvj22SsaNYfdPBldt6+dBcjHDx0K

Score
10/10
quasarsolaraspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Solara

C2

192.168.0.23:4782

Mutex

1db1cfc2-0b96-4b9e-afd9-8208e6abd265

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

      2a5d0a7b5310648731b92060b723cfdf

    • SHA1

      c020d8e9536c351d85e9b76d5232e5030c0fff6d

    • SHA256

      c66affad00d79ff0a9189ea5c9f389b064b17c1afccca2a6c7bd2bed30801d50

    • SHA512

      39cc62dd3bbc8ee15eb37107de972bad1bbc1dde953dcb734cf391020691e6121fc38b64207e18da9a6a01fed8ea0860b67273cb6f3f328d89396c4a192c3efb

    • SSDEEP

      49152:GvOI22SsaNYfdPBldt698dBcjHDxDE/gTk/JxAoGdcTHHB72eh2NT:Gvj22SsaNYfdPBldt6+dBcjHDx0K

    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