Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows11-21h2-x64

10

Resubmissions

29/05/2024, 04:02

240529-el419aaf6310

29/05/2024, 03:57

240529-eh157aae6510

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240529-eh157aae65
  • SHA256 9b906e8b6e09cdb3ad9d100dcb77df6f30e0a88c1fb164ea491a9e6fdd823083
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 10.0.0.5:55976

  • 127.0.0.1:12995

Mutex

  • fd7766f9-01b8-4f7d-9510-71226643b102

Attributes
  • encryption_key

    1A0BB6F7E6C51A39D122080A266E59E4C6D10FA8

  • install_name

    Centixwareinstaller.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows 11 Dir

  • subdirectory

    SubDir

Signatures

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

    Checks for missing Authenticode signature.

File Explorer

  • Client-built.exe
    .exe 3.1MB

Client-built.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 9b906e8b6e09cdb3ad9d100dcb77df6f30e0a88c1fb164ea491a9e6fdd823083
  • 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
3269614
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