Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 1.6MB
  • Sample260619-reb34shz21
  • SHA256 d39d9c575b61378985fd9cd7d94d71824b6922c71a1f8e619a785e29666943a3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
office04trojanspywarequasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.6.2

Botnet

  • Office04

C2

  • 193.8.215.36:14447

Mutex

  • c309e0cd-1863-44ff-9d03-abfdcd3f88a5

Attributes
  • encryption_key

    AE82780435B1CCEF85C04A1CA71F0D6403E04CAB

  • install_name

    Client.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Pulsar Client Startup

  • subdirectory

    SubDir

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Client-built.exe
    .exe 1.6MB

Client-built.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 d39d9c575b61378985fd9cd7d94d71824b6922c71a1f8e619a785e29666943a3
  • MD5 SHA1 SHA512 SSDEEP TLSH
windows:4windowsx86arch:x86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
1644382
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA 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_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE
PDB paths