Overview

overview

10

Static

static

10

bK91.exe

windows7-x64

10

bK91.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    bK91.exe
  • Size 348KB
  • Sample230318-aemfeaae52
  • SHA256 131b876752d63234d51e97f4558d1a35a8dcdc55794320e1426fd37691033c72
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • Office04

C2

  • 0.tcp.sa.ngrok.io:14992

Mutex

  • QSR_MUTEX_vvc4zswzxNM6wzpP6M

Attributes
  • encryption_key

    n59mRujhjsNoSWVQhDSE

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar family
    quasar
  • Quasar payload 1 IoCs

File Explorer

  • bK91.exe
    .exe 348KB

bK91.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 131b876752d63234d51e97f4558d1a35a8dcdc55794320e1426fd37691033c72
  • MD5 SHA1 SHA512 SSDEEP
windowsx86

  • Quasar payload

Minor OS version
Major OS version
Entry point
360878
Magic Number
267
Subsystem
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