Overview

overview

10

Static

static

10

Client-built.exe

windows11-21h2-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240701-rd2blswakb
  • SHA256 fd9c9c52f6a1f42dbc9bae5cb41f29ab2d13d38a265998669dca294c19502295
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 10.0.2.15:4782

Mutex

  • 34b824a5-92b1-4778-827a-9a291a182de7

Attributes
  • encryption_key

    9D7A82CA2BF1EE1C2F54E2F44FB5DD27535C300F

  • install_name

    Teams.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • 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 fd9c9c52f6a1f42dbc9bae5cb41f29ab2d13d38a265998669dca294c19502295
  • 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
3269550
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