Overview

overview

10

Static

static

10

aa551c7de8...6a.exe

windows7_x64

10

aa551c7de8...6a.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    aa551c7de85ef21b2ea8d377d79a5e6a.exe
  • Size 2.7MB
  • Sample220323-qwvfcabdaq
  • SHA256 0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628
  • MD5 SHA1 SHA512
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.0

Botnet

  • Office04

C2

  • ms-insider.net:1604

Mutex

  • 811c1960-874e-401e-bbd2-0d8560af92ea

Attributes
  • encryption_key

    4795EB97A05AE5F4E669D4B7FFF6608D94FC9027

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    5000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar Payload 1 IoCs
  • Quasar family
    quasar

File Explorer

  • aa551c7de85ef21b2ea8d377d79a5e6a.exe
    .exe 2.7MB

aa551c7de85ef21b2ea8d377d79a5e6a.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628
  • MD5 SHA1 SHA512
windowsx86

  • Quasar Payload

Minor OS version
Major OS version
Entry point
2864894
Magic Number
267
Subsystem
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths