Resubmissions

27/03/2026, 22:02

260327-1x8z8shx9r

27/03/2026, 15:32

260327-sysewag15y10

27/03/2026, 14:24

260327-rq7ddsat5r10

26/03/2026, 21:13

260326-z2rfbabs5s10

26/03/2026, 21:03

260326-zvz4waet7r10

31/12/2024, 21:35

241231-1fmqnszqft10

31/12/2024, 21:27

241231-1axzfssnek10

16/12/2024, 05:52

241216-gk8zxsxkaz

16/12/2024, 05:27

241216-f5kx6awmh110

14/12/2024, 20:23

241214-y6jqlasrhy10

General

  • Target
    241127-xqsswsslej_pw_infected.zip
  • Size 12KB
  • Sample260327-rq7ddsat5r
  • SHA256 cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    sanghyun.nfile.net

  • Port

    21

  • Username

    anonymous

  • Password

    qkdansror-!!

Extracted

Family
  • remcos

Version
  • 3.8.0 Pro

Botnet
  • paydaytry

C2
  • 198.50.242.157:443

  • apleegodfivem.ddns.net:443

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    GoogleUpdate.exe

  • copy_folder

    GoogleDat

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    bootdata

  • mouse_option

    false

  • mutex

    Attempt-S4A0CI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    ChromeUpdater

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • ms-pupils.gl.at.ply.gg:42890

Mutex
  • FCASQ7rLAQgFpsJO

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain

Targets

    • Target
      241127-xqsswsslej_pw_infected.zip
    • Size 12KB
    • SHA256 cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      241127-xqsswsslej_pw_infected/Downloaders.zip
    • Size 12KB
    • SHA256 16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      4363463463464363463463463.zip
    • Size 4KB
    • SHA256 45930e1ff487557dd242214c1e7d07294dbedfa7bc2cf712fae46d8d6b61de76
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      4363463463464363463463463.exe
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Neshta payload

    • Detect Xworm Payload

    • MetaSploit

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

    • Metasploit family

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Neshta family

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Adds policy Run key to start application

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Suspicious use of SetThreadContext

    • UPX packed file

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

    • Target
      New Text Document mod.exse.zip
    • Size 7KB
    • SHA256 82fbb67bf03714661b75a49245c8fe42141e7b68dda3f97f765eb1f2e00a89a9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      New Text Document mod.exe
    • Size 8KB
    • SHA256 2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

    • Target
      New Text Document mod.exse
    • Size 8KB
    • SHA256 2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v16

Tasks