Overview

overview

10

Static

static

10

Client.exe

windows10-2004-x64

10

Client.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Client.exe
  • Size 348KB
  • Sample251123-a7fhkasjer
  • SHA256 b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • Office04

C2

  • 176.123.1.70:1604

Mutex

  • QSR_MUTEX_2dC0tNjtKtYhfGUSgk

Attributes
  • encryption_key

    Vl6roD6nO47rxhbzn50k

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    windows

  • subdirectory

    SubDir

Signatures

  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Client.exe
    .exe 348KB

Client.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
360798
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
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