Overview

overview

10

Static

static

10

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    tmp
  • Size 3.1MB
  • Sample230808-yx8clafe69
  • SHA256 7f3ce13c39b8aa0202357579138c56a684a5c0aad61b8b5c1f3fd20f12afa916
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
muahahaquasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Muahaha

C2

  • 37.139.129.145:5512

Mutex

  • 9ea0edc2-299b-4ba4-bb26-0c01d3ce5e5f

Attributes
  • encryption_key

    D21B49539C3EA494897D43CF75CBF5F989F0792A

  • install_name

    ntoskrnl.exe

  • log_directory

    SystemLogs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Windows Operating System

  • subdirectory

    Microsoft Windows Operating System

Signatures

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

    Checks for missing Authenticode signature.

File Explorer

  • tmp
    .exe 3.1MB

tmp

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 7f3ce13c39b8aa0202357579138c56a684a5c0aad61b8b5c1f3fd20f12afa916
  • MD5 SHA1 SHA512 SSDEEP
windowsx86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
Major OS version
Entry point
3268526
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