Resubmissions

04-03-2024 07:39

240304-jg8k4aeb56 10

04-03-2024 07:33

240304-jd2ndada41 10

04-03-2024 07:16

240304-h3sw4acf8v 10

General

  • Target

    YE.jpg

  • Size

    1.9MB

  • Sample

    240304-jg8k4aeb56

  • MD5

    db00d76d920d8d9e1a01a0d278d64f0f

  • SHA1

    321535469be98ff53be76621c10027ab0d14bc15

  • SHA256

    806fb0b10366bb1923a9d4e4545ab76d589a1848eb758c978bc349ca86b22c54

  • SHA512

    86950248bed2ad1199d9ded6f74318fe86ee52af99b420dff9101839c9757f816b7629b251fcd867078082a3db48deeb8a1925b2ef73dd0ebae646bac4a62676

  • SSDEEP

    49152:pzMD+O974EJW3DyQFXC2p1WuO9WYFNmPR4X50IepawQWAs:pzMDXCiQXFhytNwc50pawQG

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

0.tcp.ngrok.io:19521

Mutex

RV_MUTEX

Extracted

Family

warzonerat

C2

168.61.222.215:5400

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

nickman12-46565.portmap.io:46565

nickman12-46565.portmap.io:1735

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Userdata.exe

  • copy_folder

    Userdata

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    remcos_vcexssuhap

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      YE.jpg

    • Size

      1.9MB

    • MD5

      db00d76d920d8d9e1a01a0d278d64f0f

    • SHA1

      321535469be98ff53be76621c10027ab0d14bc15

    • SHA256

      806fb0b10366bb1923a9d4e4545ab76d589a1848eb758c978bc349ca86b22c54

    • SHA512

      86950248bed2ad1199d9ded6f74318fe86ee52af99b420dff9101839c9757f816b7629b251fcd867078082a3db48deeb8a1925b2ef73dd0ebae646bac4a62676

    • SSDEEP

      49152:pzMD+O974EJW3DyQFXC2p1WuO9WYFNmPR4X50IepawQWAs:pzMDXCiQXFhytNwc50pawQG

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Remcos

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

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • UAC bypass

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • ModiLoader First Stage

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • RevengeRat Executable

    • Warzone RAT payload

    • Contacts a large (1167) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Uses the VBS compiler for execution

    • 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.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks