Overview

overview

10

Static

static

10

HEUR-Troja...ar.exe

windows7-x64

10

HEUR-Troja...ar.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    HEUR-Trojan.MSIL.Quasar.gen-788c859458ab91850978e27a2591b564e5e3200eede844362bf465944db9d92c
  • Size 3.4MB
  • Sample240415-d1k19add99
  • SHA256 788c859458ab91850978e27a2591b564e5e3200eede844362bf465944db9d92c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 85.219.48.223:6969

Mutex

  • dd7993dd-3ead-48cf-ab1a-635718753276

Attributes
  • encryption_key

    DC9E2A3C163F32C37AC47FC14DF7F94F33786801

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    :)

  • subdirectory

    SubDir

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables containing common artifacts observed in infostealers 1 IoCs
  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • HEUR-Trojan.MSIL.Quasar.gen-788c859458ab91850978e27a2591b564e5e3200eede844362bf465944db9d92c
    .exe 3.4MB

HEUR-Trojan.MSIL.Quasar.gen-788c859458ab91850978e27a2591b564e5e3200eede844362bf465944db9d92c

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 788c859458ab91850978e27a2591b564e5e3200eede844362bf465944db9d92c
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • Detects Windows executables referencing non-Windows User-Agents

  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

  • Detects executables containing common artifacts observed in infostealers

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
3269582
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