Overview

overview

10

Static

static

3

Loader.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Loader.exe

  • Size

    9.8MB

  • Sample

    240627-cp8shaxeke

  • MD5

    dd7a3870e3db2dd4bd95fef1be8f8d57

  • SHA1

    d256e208a055db0669a6198c46df9811d2f6c580

  • SHA256

    7bf0ba077316040ee76a180ab82b5ebeb7b3f50eb9be8d2e8d7a1b3da8974b15

  • SHA512

    dfeb7c5fcb89823c2bd8478ba4f8d9b434481689348bd74d39fde5eead2f59f5920822dbe868ea813d877796b4cc2360b9eb65c1a896046c7f7cc1132b92d879

  • SSDEEP

    196608:VayukxarCvuYRMtUZmzV1vDnPdcva1TFxk802JWTQvSqDHwxN98B:Y8oC2YRMtlvDnPivaprk804B

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

history-foo.gl.at.ply.gg:42349

Mutex

2beddbf7-c691-4058-94c7-f54389b4a581

Attributes
  • encryption_key

    CBFC5D217E55BEBDCD3A6EFA924299F76BC328D9

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Update

  • subdirectory

    SubDir

Targets

    • Target

      Loader.exe

    • Size

      9.8MB

    • MD5

      dd7a3870e3db2dd4bd95fef1be8f8d57

    • SHA1

      d256e208a055db0669a6198c46df9811d2f6c580

    • SHA256

      7bf0ba077316040ee76a180ab82b5ebeb7b3f50eb9be8d2e8d7a1b3da8974b15

    • SHA512

      dfeb7c5fcb89823c2bd8478ba4f8d9b434481689348bd74d39fde5eead2f59f5920822dbe868ea813d877796b4cc2360b9eb65c1a896046c7f7cc1132b92d879

    • SSDEEP

      196608:VayukxarCvuYRMtUZmzV1vDnPdcva1TFxk802JWTQvSqDHwxN98B:Y8oC2YRMtlvDnPivaprk804B

    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

    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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks