General

  • Target

    4da41093eb4cce80c18d1e6a2391ba80.exe

  • Size

    500KB

  • Sample

    230329-hxmswsgh2s

  • MD5

    4da41093eb4cce80c18d1e6a2391ba80

  • SHA1

    c6e1338fb7c3ffc9d39d5362722110e8482216ea

  • SHA256

    f628532a482840b66c9fdf0ed09de86b63418e1f2cc3bbff139f54482f895d43

  • SHA512

    43ea46aeeda700e7b7e1f1f3fdede845e8d5723204d854e5452f9af785a20a9a915e1d9e4f44162777f2e5f569eda06904548114667ae05a285a980cb426dcd3

  • SSDEEP

    6144:+Ya6HI+QksRbJpnYqzFNZDPln6PJWJIFwYdga6c4jLvw1SxhDUoj+Xxk1Zci2E6e:+Y1I+QkunY8LzlOWi2HjHw1k15FqvK

Malware Config

Extracted

Family

remcos

Botnet

SixthClients

C2

top.not2beabused01.xyz:1558

sub.not2beabused02.xyz:1558

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    appsync.exe

  • copy_folder

    Appsync

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Appsync

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Appsync-TYGH55

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Appsync

  • take_screenshot_option

    true

  • take_screenshot_time

    55

  • take_screenshot_title

    mail;webmail;crypto;btc;ethereum;bitcoin;eth;outlook;foxmail;bank;email;compose;

Extracted

Family

warzonerat

C2

top.not2beabused01.xyz:1668

Targets

    • Target

      4da41093eb4cce80c18d1e6a2391ba80.exe

    • Size

      500KB

    • MD5

      4da41093eb4cce80c18d1e6a2391ba80

    • SHA1

      c6e1338fb7c3ffc9d39d5362722110e8482216ea

    • SHA256

      f628532a482840b66c9fdf0ed09de86b63418e1f2cc3bbff139f54482f895d43

    • SHA512

      43ea46aeeda700e7b7e1f1f3fdede845e8d5723204d854e5452f9af785a20a9a915e1d9e4f44162777f2e5f569eda06904548114667ae05a285a980cb426dcd3

    • SSDEEP

      6144:+Ya6HI+QksRbJpnYqzFNZDPln6PJWJIFwYdga6c4jLvw1SxhDUoj+Xxk1Zci2E6e:+Y1I+QkunY8LzlOWi2HjHw1k15FqvK

    • Modifies WinLogon for persistence

    • Remcos

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

    • WarzoneRat, AveMaria

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Warzone RAT payload

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Email Collection

2
T1114

Tasks