General

  • Target

    $phantom-powershell.bat

  • Size

    586KB

  • Sample

    240607-tnabzsbh33

  • MD5

    be2e3adcd233ea65761c8b188cc0206a

  • SHA1

    2702edee993505b58bb094c6a996bcb67458252a

  • SHA256

    0a8c7f13dde48266557795d9b15654f508fa30065740575b2f6be3c2f5b749d1

  • SHA512

    7de6e0657eed64cc56bdb57ad6cb758ceeda61bbb44c63225ae29ad507d50b7e16cbff2abc2e994da03206593e47c7c858deb7e0698e322e391c37256cd2098a

  • SSDEEP

    12288:RUepamz1Deupz8y/mG1RO4CD6UWFpbocRql3ymCW/MwUpdF8P1:Rfawek/mgR67/HIdF8P1

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Zer0Spy

C2

127.0.0.1:4782

Mutex

QSR_MUTEX_9vwtyaiSuBr8jzh6yA

Attributes
  • encryption_key

    hDMI6Wy4P2AUTiZAh6a2

  • install_name

    $phantom-powershell.exe

  • log_directory

    $phantom-Logs

  • reconnect_delay

    3000

  • startup_key

    Windows PowerShell

  • subdirectory

    $phantom-zer0spy2

Targets

    • Target

      $phantom-powershell.bat

    • Size

      586KB

    • MD5

      be2e3adcd233ea65761c8b188cc0206a

    • SHA1

      2702edee993505b58bb094c6a996bcb67458252a

    • SHA256

      0a8c7f13dde48266557795d9b15654f508fa30065740575b2f6be3c2f5b749d1

    • SHA512

      7de6e0657eed64cc56bdb57ad6cb758ceeda61bbb44c63225ae29ad507d50b7e16cbff2abc2e994da03206593e47c7c858deb7e0698e322e391c37256cd2098a

    • SSDEEP

      12288:RUepamz1Deupz8y/mG1RO4CD6UWFpbocRql3ymCW/MwUpdF8P1:Rfawek/mgR67/HIdF8P1

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Tasks