Overview

overview

10

Static

static

10

OliwciaPri...er.exe

windows7-x64

10

OliwciaPri...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    OliwciaPrivInstaller.bin
  • Size 348KB
  • Sample221226-w9lcgsdd67
  • SHA256 7a1ad31508f2ea1d7abc2907977eaf32537f09994d1622b3e2e733649905c861
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • Office04

C2

  • jebacdisaskurwysyna-33409.portmap.io:33409

Mutex

  • QSR_MUTEX_Ee4l0fQjTiryzphwaO

Attributes
  • encryption_key

    UQAQ2KDh5xIXFPqVH1cJ

  • install_name

    cmd.exe

  • log_directory

    NET. Framework

  • reconnect_delay

    3000

  • startup_key

    Windows

  • subdirectory

    Microsoft

Targets

    • Target
      OliwciaPrivInstaller.bin
    • Size 348KB
    • SHA256 7a1ad31508f2ea1d7abc2907977eaf32537f09994d1622b3e2e733649905c861
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks