Overview

overview

10

Static

static

3

DOCS MENEN...ss.exe

windows7-x64

7

DOCS MENEN...ss.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    5a7a7f395371aa848157cef116e5d86bb7299c8f5859c9f25704175cce61821c

  • Size

    672KB

  • Sample

    241112-hq6mesxdrj

  • MD5

    866cd07383365ef857f9367426ae6ed5

  • SHA1

    eb964d971a519240f7661f4580180c946af0cd49

  • SHA256

    5a7a7f395371aa848157cef116e5d86bb7299c8f5859c9f25704175cce61821c

  • SHA512

    11b44fcc810a0bd8c64e4037dceec65b53ffb842b0bf198185e1f00a47a877cacc5fadfec1db0c7b2fd4393ee493918c8551682ec53f9eacde6acb2b103e435a

  • SSDEEP

    12288:RowNzy8E9FxWtz28J4wGUvlYn0kbdEty1RAmjXUAEFoxBx8WtNADZZeb7EkOm:Bg9F4l28J4wGEun0DtdmjX1EForx8jf4

Score
10/10
remcosreborncollectioncredential_accessdiscoverypersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

ReBorn

C2

gerfourt99lahjou2.duckdns.org:3487

gerfourt99lahjou2.duckdns.org:3488

gerfourt99lahjou3.duckdns.org:3487
Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    ksaourts.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ksajoutr-WG0CPT

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      DOCS MENEN Gebrüder Weiss.exe

    • Size

      699KB

    • MD5

      63d2f97a6de92084873293a617e685db

    • SHA1

      423997f0830a1f833d7c1e6b615ac84850b298a1

    • SHA256

      a754c8899bf9ffc378d8fe239a58b0154bd9fc7cf8b2f2fdc1b1103885a70c99

    • SHA512

      2954eb36e39cbfa18c024dae9536d42b4f2eecf16bf3db623e0efc3f1a7ba02f9df4a1831abb4315b03b83c7497278b10f8001ea484cc31da8352f265f214743

    • SSDEEP

      12288:E3cAEjow+kXtp28J4cGUhl+n0kbd6t21Rwm3+9rtQEFoxB50+tNADhZebeEkO/:E3cAEjow+kXf28J4cGeAn0Ttzm3EruEa

    Score
    10/10
    discoveryremcosreborncollectioncredential_accesspersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      12b140583e3273ee1f65016becea58c4

    • SHA1

      92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    • SHA256

      014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    • SHA512

      49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

    • SSDEEP

      192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Modify Authentication Process

1
T1556

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Authentication Process

1
T1556

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Exfiltration

Impact

Tasks