Overview

overview

10

Static

static

10

9EEFA45EBC...40.exe

windows7-x64

10

9EEFA45EBC...40.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    9EEFA45EBC884B3B6FA4349D140963700C9F2C2543840.exe
  • Size 3.1MB
  • Sample240121-tf7yaaeed7
  • SHA256 9eefa45ebc884b3b6fa4349d140963700c9f2c2543840d965b11c7f815346ab9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 209.145.59.89:443

Mutex

  • 9d1a4f0d-2ea1-4330-81b0-244a91bf932c

Attributes
  • encryption_key

    B90D9A43F7C3BF3BBA75403410E571B5F80BA7E1

  • install_name

    winboot.exe

  • log_directory

    Logs

  • reconnect_delay

    5000

  • startup_key

    UEFI boot

  • subdirectory

    bootufi

Signatures

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

    Checks for missing Authenticode signature.

File Explorer

  • 9EEFA45EBC884B3B6FA4349D140963700C9F2C2543840.exe
    .exe 3.1MB

9EEFA45EBC884B3B6FA4349D140963700C9F2C2543840.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 9eefa45ebc884b3b6fa4349d140963700c9f2c2543840d965b11c7f815346ab9
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
3269598
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