Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240406-1hta8scd94
  • SHA256 5f1ded6b39eecb4e4575ce1150a7d665a5c2a2df6a98ff331d586c13cdb1340e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • Enslotheya-26488.portmap.io:26488

  • Enslotheya-26488.portmap.io:4782

  • Enslotheya-26934.portmap.io:4782

  • Enslotheya-26934.portmap.io:26934

  • That1funnykid-39791.portmap.io:4782:4782

  • That1funnykid-39791.portmap.io:4782

Mutex

  • ec2ccd18-ac18-48f3-9617-54036c5add5d

Attributes
  • encryption_key

    796C698C50C0E8D256FFF2870E20F871851BAB42

  • install_name

    SubDir.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • 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 5f1ded6b39eecb4e4575ce1150a7d665a5c2a2df6a98ff331d586c13cdb1340e
  • 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
3270174
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