Overview

overview

10

Static

static

10

v5fueei.exe

windows10-2004-x64

10

v5fueei.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    v5fueei.exe
  • Size 2.6MB
  • Sample260513-yjpy4aew2s
  • SHA256 f5f0e52163104f81b6897b23284e625d9ddcab36751c1552b64a73004f824cf2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
office04trojanspywarequasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.6.6

Botnet

  • Office04

C2

  • 16.16.126.52:6385

Mutex

  • 31757616-807a-40f9-b0a3-7062b1df8d7f

Attributes
  • encryption_key

    7799F230382DEC15CFC54F1D560B5A8B875621D2

  • install_name

    Runtime Broker.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    system32

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

  • v5fueei.exe
    .exe 2.6MB

v5fueei.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 f5f0e52163104f81b6897b23284e625d9ddcab36751c1552b64a73004f824cf2
  • 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
2722638
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