General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.9491.24773.exe

  • Size

    1.6MB

  • Sample

    240422-pnbgtsbc39

  • MD5

    b9fc527ee5dc9f450fa3963cc759271a

  • SHA1

    20f8abdaeb996ff68376d324aff3274771e4e089

  • SHA256

    cf10c660707993307c44880f02405f59c2970b4de12bfb3d53a593d002c01908

  • SHA512

    a1f85a9ed5122ce4933b8e04850bf1bbe50b50837d4458031bdb632e05d53e160904560c74b456839de5c82aa72b528bb8123ea63233f1f8646eaecd260d1a7a

  • SSDEEP

    24576:7MkT4gLKu9KKozJQd/HJNRO/BOM6wIJp4m+3bu8U2flxAv:QkTpT9K1mzyOM6wW4mEQ2W

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45671

127.0.0.1:55677

192.3.101.8:55677

192.3.101.8:45671

Attributes
  • audio_folder

    MicRecords

  • 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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-2P1XPK

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SecuriteInfo.com.Win32.RATX-gen.9491.24773.exe

    • Size

      1.6MB

    • MD5

      b9fc527ee5dc9f450fa3963cc759271a

    • SHA1

      20f8abdaeb996ff68376d324aff3274771e4e089

    • SHA256

      cf10c660707993307c44880f02405f59c2970b4de12bfb3d53a593d002c01908

    • SHA512

      a1f85a9ed5122ce4933b8e04850bf1bbe50b50837d4458031bdb632e05d53e160904560c74b456839de5c82aa72b528bb8123ea63233f1f8646eaecd260d1a7a

    • SSDEEP

      24576:7MkT4gLKu9KKozJQd/HJNRO/BOM6wIJp4m+3bu8U2flxAv:QkTpT9K1mzyOM6wW4mEQ2W

    • ModiLoader, DBatLoader

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

    • Remcos

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

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks