General

  • Target
    0x00080000000174cc-36.dat
  • Size 534KB
  • Sample241102-sr8taaxgma
  • SHA256 b893220d33f9b8a0f98702bb577e4459792253ae651bdc18a93145ccd008af54
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • quasar

Version
  • 2.1.0.0

Botnet
  • Office04

C2
  • 146.190.29.250:7812

Mutex
  • VNM_MUTEX_h1gQxrpyccCFZq7JPS

Attributes
  • encryption_key

    V5fWyT4tQqXFouaUUxe2

  • install_name

    Windows Security.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    SubDir34

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Quasar family
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • 0x00080000000174cc-36.dat
    .exe 534KB

0x00080000000174cc-36.dat

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 b893220d33f9b8a0f98702bb577e4459792253ae651bdc18a93145ccd008af54
  • MD5 SHA1 SHA512 SSDEEP
  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
552014
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