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

    241018-anhhtaxglr

  • MD5

    115b3ecdeb0aaffe00e90d5cc3c51a88

  • SHA1

    24c414a2fe724d6f5310a757c5fa6f97fe61d75b

  • SHA256

    7a20c6e0574d36d2d972450002eff9f226351ef2d594be1f80f33b7502649dd0

  • SHA512

    872fa8e3839c8dd54faf7be7e12f7ae89ac6bed8a7fbe0fd5df8fc66e98f32ed2ed7c4446c406fade7214ccc4cc869c094e1cf0f4dad472c30f0493f165aa6e7

  • SSDEEP

    49152:LvyI22SsaNYfdPBldt698dBcjHgxDEDwNk/JxhoGdsTHHB72eh2NT:Lvf22SsaNYfdPBldt6+dBcjHgxeT

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

45.88.91.31:4782

Mutex

67eb7beb-85a5-459d-aba7-8e55a1344249

Attributes
  • encryption_key

    18A3C5CC053BEC5C80BD4C5011E5C6BF640A466A

  • install_name

    Chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Security Notifications

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      115b3ecdeb0aaffe00e90d5cc3c51a88

    • SHA1

      24c414a2fe724d6f5310a757c5fa6f97fe61d75b

    • SHA256

      7a20c6e0574d36d2d972450002eff9f226351ef2d594be1f80f33b7502649dd0

    • SHA512

      872fa8e3839c8dd54faf7be7e12f7ae89ac6bed8a7fbe0fd5df8fc66e98f32ed2ed7c4446c406fade7214ccc4cc869c094e1cf0f4dad472c30f0493f165aa6e7

    • SSDEEP

      49152:LvyI22SsaNYfdPBldt698dBcjHgxDEDwNk/JxhoGdsTHHB72eh2NT:Lvf22SsaNYfdPBldt6+dBcjHgxeT

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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 Enterprise v15

Tasks