General

  • Target

    Synaptics.exe

  • Size

    764KB

  • Sample

    250201-lbef6swlgv

  • MD5

    85e3d4ac5a6ef32fb93764c090ef32b7

  • SHA1

    adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

  • SHA256

    4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

  • SHA512

    a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

  • SSDEEP

    12288:6MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Ufbj:6nsJ39LyjbJkQFMhmC+6GD9mH

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

heo.ddns.net:5552

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

biseo-48321.portmap.host:48321

Mutex

cb74f432-50f1-4947-8163-7687a0292fb0

Attributes
  • encryption_key

    D1BBEF3C04D88FE8F97EE2745041632CE9C760EE

  • install_name

    Svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Svchost

  • subdirectory

    Svchost

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:8080

event-dollar.gl.at.ply.gg:42627

Mutex

aVbGJnLt4HRONX59

Attributes
  • install_file

    USB.exe

aes.plain
aes.plain

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

127.0.0.1:5552

Mutex

a36391a4d2e3933c790f3bc33ca8c666

Attributes
  • reg_key

    a36391a4d2e3933c790f3bc33ca8c666

  • splitter

    |'|'|

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

8TdjLZxCzOjI

Attributes
  • delay

    3

  • install

    true

  • install_file

    client.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Botnet

Beyond

Attributes
  • c2_url_file

    https://rentry.co/Spread4Filly/raw

  • delay

    2

  • install

    true

  • install_file

    $77svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://bellflamre.click/api

Extracted

Family

quasar

Version

1.4.1

Botnet

RuntimeBroker

C2

siembonik-44853.portmap.host:44853

Mutex

df483a08-855b-4bf5-bdcb-174788919889

Attributes
  • encryption_key

    A8573AD4438B1D5F6207F7C03CCC7F1E2D4B13DF

  • install_name

    RuntimeBroker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    am1

Extracted

Family

quasar

Version

1.4.1

Botnet

powerstealer

C2

192.168.56.1:4782

Mutex

6760d0e9-9df9-4aba-89be-4e5ce3e92cc8

Attributes
  • encryption_key

    057FCAF700E62ACFECC7338C474084AF9B47ABEB

  • install_name

    powerstealer.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

45.136.51.217:5173

Mutex

QYKKiqqJ0K2HqPP0Mo

Attributes
  • encryption_key

    rFGYI3uEIwvomle2u8mk

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    NET framework

  • subdirectory

    SubDir

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7269786725:AAF0IPx1BWTdW_vbZqP8HGNrxWWFpF5CvYs/sendMessage?chat_id=5465523859

Targets

    • Target

      Synaptics.exe

    • Size

      764KB

    • MD5

      85e3d4ac5a6ef32fb93764c090ef32b7

    • SHA1

      adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

    • SHA256

      4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

    • SHA512

      a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

    • SSDEEP

      12288:6MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Ufbj:6nsJ39LyjbJkQFMhmC+6GD9mH

    • Ammyy Admin

      Remote admin tool with various capabilities.

    • AmmyyAdmin payload

    • Ammyyadmin family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

    • Flawedammyy family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Metasploit family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks