Analysis

  • max time kernel
    620s
  • max time network
    624s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2024 05:06

General

  • Target

    GensisLoader.exe

  • Size

    3.1MB

  • MD5

    5c085700fda2c1047873e097f18c4b52

  • SHA1

    058c3a0c25670219eb41efac7055c9335796b6dd

  • SHA256

    e7b85652cc26274a0cf5b62c204b8cb4b3a592ec6582f300ec9ba0cc3bdf171b

  • SHA512

    be44dfbdcd32716c267c08710130f12eb97f9b7b827859a5d73824694dbdd1ef9ddea72850865991fa8eee97cc9dbeae02f06efa58acd9b931ead8a5d1b5e913

  • SSDEEP

    49152:bvJlL26AaNeWgPhlmVqvMQ7XSKGjd7kbFHPoGd63THHB72eh2NT:bvnL26AaNeWgPhlmVqkQ7XSKGjqv

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

147.185.221.18:42996

147.185.221.18:1770

Mutex

aef6df25-e90d-4712-99d2-9ec0dbe8e337

Attributes
  • encryption_key

    8BD05243304A2E80E6CB2DD2A023CA800A308299

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GensisLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\GensisLoader.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1064-0-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

    Filesize

    4KB

  • memory/1064-1-0x0000000000360000-0x0000000000684000-memory.dmp

    Filesize

    3.1MB

  • memory/1064-2-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

    Filesize

    9.9MB

  • memory/1064-3-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

    Filesize

    4KB

  • memory/1064-4-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

    Filesize

    9.9MB