Overview

overview

10

Static

static

10

a451e748bc...f6.exe

windows7-x64

10

a451e748bc...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3a52e34c074990eee6ed67e3237c4c9c.bin

  • Size

    1.2MB

  • Sample

    240625-cbdefaxgjk

  • MD5

    d4b991f98342b192e0aaa81ef8f92e6e

  • SHA1

    0a5ed09dceb56c82ef31aaee8c16465f8cfe4c3b

  • SHA256

    f0ee02f93d715a6dbc3f16bfe075c7617a0c69049fbae0959c3d5797d4a999a1

  • SHA512

    9c72c23f4aaca77e67297c0fb186b6e636bcb6c44e22ffd0013655b29237c4f626f6081797e50e591064996054ba14132651a5ea9b8f1c449be5dfb9dbd439d7

  • SSDEEP

    24576:isR/KnG+XDQ03KgQdr74Zs9N7r+JeoRaNxEhZ/dKlD4tk8YJVG5h3CaYQd6QdNv6:iq/KnFDQCo2s9N7XWKEhhwlWNwgNCaYJ

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

94.228.166.40:4782

Mutex

172a89d7-b9b2-4d82-b5ed-6beb5326f544

Attributes
  • encryption_key

    7970C2029EDBB83E6BD65073BE18684AC9FF3F48

  • install_name

    KR6nDu9fLhop1bFe.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    defender.proces

  • subdirectory

    SubDir

Targets

    • Target

      a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6.exe

    • Size

      3.1MB

    • MD5

      3a52e34c074990eee6ed67e3237c4c9c

    • SHA1

      b7df84535c4d8002cdd7675866617cf9884455c6

    • SHA256

      a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6

    • SHA512

      1553aa7e90b404f715c9b025937da6a4941fd287de9a69afe52e970731c48b3a6e62ae898a4e16164fa57e20183ff86999b37c7ff9c9f77fa0a85bce3916b19c

    • SSDEEP

      49152:MvHI22SsaNYfdPBldt698dBcjHuZvgGoGnVvTHHB72eh2NT:Mvo22SsaNYfdPBldt6+dBcjHuZvF

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    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