General

  • Target

    ABB TPL65-A10.,Doc.bat

  • Size

    3.2MB

  • Sample

    240413-1w72jsde7w

  • MD5

    2497909573a1879fd69765eaafda2b67

  • SHA1

    29b76dceef5cba89eb16ac31f581dfe310787ff3

  • SHA256

    7d53974d0351f42930df4414f4752c41f47587ca9b4d2ca8a2badfdd840b32ee

  • SHA512

    999cf25e7a88487aac32c1fb76c8923eb28a0c01e87b5ef3aa98f94fe650aaebfb54bccfdaee5224dc477f69fc155bbffc9b9f81679f00f5d7ce9b344a823d71

  • SSDEEP

    49152:Xf2itfXve4rdS832GjhZqBaN6y3L5boHHTA0:i

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

showlove24.duckdns.org:2500

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-2EZOQ2

  • 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

      ABB TPL65-A10.,Doc.bat

    • Size

      3.2MB

    • MD5

      2497909573a1879fd69765eaafda2b67

    • SHA1

      29b76dceef5cba89eb16ac31f581dfe310787ff3

    • SHA256

      7d53974d0351f42930df4414f4752c41f47587ca9b4d2ca8a2badfdd840b32ee

    • SHA512

      999cf25e7a88487aac32c1fb76c8923eb28a0c01e87b5ef3aa98f94fe650aaebfb54bccfdaee5224dc477f69fc155bbffc9b9f81679f00f5d7ce9b344a823d71

    • SSDEEP

      49152:Xf2itfXve4rdS832GjhZqBaN6y3L5boHHTA0:i

    • 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

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks