Analysis

  • max time kernel
    95s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 21:51

General

  • Target

    44037f6c2fed815da4c59b50479561f5.exe

  • Size

    3.1MB

  • MD5

    44037f6c2fed815da4c59b50479561f5

  • SHA1

    f724de9954505061cd9f4fbe90bd57d8375ef6d1

  • SHA256

    59405ec9b904646f7d674606945cffab2ece5cb7fba153c91de4c79bb40aa553

  • SHA512

    e33bb327a8b8afc38bba20adfe4d00d99bd3772d65df1125796e5de00d02e37e8ea3a9ce48d16d5374343079d7addf8456c09b053ef9dfec35d183aaddfdf30d

  • SSDEEP

    49152:twAlUPhZwv68DkG17WlqTz5oqMn0f8bUlUUU+UUUZAMoAGdQTHHB72eh2NT:twsUPhZwv68DkG17WlqTzeqMn0fcK

Malware Config

Extracted

Family

quasar

Version

1.4.2

Botnet

Java

C2

45.83.244.141:4782

Mutex

18dba2e6-0f3a-4d9f-b95d-78cbc696f514

Attributes
  • encryption_key

    88D5D2E6C33089786488A381589CC2587B1B6759

  • install_name

    $77-cmd.exe

  • log_directory

    $77-Logs

  • reconnect_delay

    1000

  • startup_key

    $77-cmd

  • subdirectory

    $77-SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44037f6c2fed815da4c59b50479561f5.exe
    "C:\Users\Admin\AppData\Local\Temp\44037f6c2fed815da4c59b50479561f5.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1168

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1168-0-0x00007FF8563B3000-0x00007FF8563B5000-memory.dmp

    Filesize

    8KB

  • memory/1168-1-0x0000000000ED0000-0x00000000011F4000-memory.dmp

    Filesize

    3.1MB

  • memory/1168-2-0x00007FF8563B0000-0x00007FF856E71000-memory.dmp

    Filesize

    10.8MB

  • memory/1168-3-0x000000001BE80000-0x000000001BED0000-memory.dmp

    Filesize

    320KB

  • memory/1168-4-0x000000001C3C0000-0x000000001C472000-memory.dmp

    Filesize

    712KB

  • memory/1168-7-0x000000001C340000-0x000000001C352000-memory.dmp

    Filesize

    72KB

  • memory/1168-8-0x000000001CCC0000-0x000000001CCFC000-memory.dmp

    Filesize

    240KB

  • memory/1168-9-0x00007FF8563B3000-0x00007FF8563B5000-memory.dmp

    Filesize

    8KB

  • memory/1168-10-0x00007FF8563B0000-0x00007FF856E71000-memory.dmp

    Filesize

    10.8MB