Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    28-06-2024 22:11

General

  • Target

    svchost.exe

  • Size

    409KB

  • MD5

    cf1095129f08d9ac4235e307c45992d4

  • SHA1

    e452600b185b20b5aca7f277b20ee0ac283caa9a

  • SHA256

    0ae8715511cac160bace9f8cc6d042de274573159d077846598c1626bd6b0d3d

  • SHA512

    d55fa2399c2c566a32d7f6ae7c67db5b7be344e129f76e731298236b7d41639146b1dd120dc79b5fcd2ff261405423505c5d6604353b1736b10c82b8440d5df1

  • SSDEEP

    12288:RpsD64e1MvzNU2hcPPHXN/x8N619mUBecXKe:vsG4kMThcPPHXD9NBT

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

hardware-morgan.gl.at.ply.gg:49331

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes
  • encryption_key

    KNgpj87CUPQcxCMhHO0S

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2480

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2480-0-0x0000000073A2E000-0x0000000073A2F000-memory.dmp

    Filesize

    4KB

  • memory/2480-1-0x0000000000140000-0x00000000001AC000-memory.dmp

    Filesize

    432KB

  • memory/2480-2-0x0000000005500000-0x00000000059FE000-memory.dmp

    Filesize

    5.0MB

  • memory/2480-3-0x0000000005000000-0x0000000005092000-memory.dmp

    Filesize

    584KB

  • memory/2480-4-0x0000000073A20000-0x000000007410E000-memory.dmp

    Filesize

    6.9MB

  • memory/2480-5-0x0000000004E00000-0x0000000004E66000-memory.dmp

    Filesize

    408KB

  • memory/2480-6-0x0000000005170000-0x0000000005182000-memory.dmp

    Filesize

    72KB

  • memory/2480-7-0x0000000006070000-0x00000000060AE000-memory.dmp

    Filesize

    248KB

  • memory/2480-9-0x0000000006810000-0x000000000681A000-memory.dmp

    Filesize

    40KB

  • memory/2480-10-0x0000000073A2E000-0x0000000073A2F000-memory.dmp

    Filesize

    4KB

  • memory/2480-11-0x0000000073A20000-0x000000007410E000-memory.dmp

    Filesize

    6.9MB