General

  • Target

    Scan089765.exe

  • Size

    732KB

  • Sample

    230222-tagh5scd55

  • MD5

    7206ef93435d77e228d42d66eac75acf

  • SHA1

    97644b3a0e94bb07a123d9cbc1f9b9f86068f75f

  • SHA256

    cc467d30cee2dfa02e936f81d0b06feb97ac3638b95acc20c02cbec8d912d08e

  • SHA512

    3f1ada360909ae845d380c7f94d2bb10144c8ee9c57166e50d9d5d1ee1ead20a0dd33ba88e88f82ab8f00f593f2d93e46a032f53d622d6af55056ebbd4403b54

  • SSDEEP

    12288:SHVJNQxT/4nRfA7fCcKZ0Z7KG4zHREqwu+1RJVFwUo0ucfJ:S1nQhAnRo7KcKZ0ZL4LREM+7JfFpx

Malware Config

Extracted

Family

remcos

Botnet

BISHOP

C2

bishoprem.duckdns.org:1366

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-2QYFD1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Scan089765.exe

    • Size

      732KB

    • MD5

      7206ef93435d77e228d42d66eac75acf

    • SHA1

      97644b3a0e94bb07a123d9cbc1f9b9f86068f75f

    • SHA256

      cc467d30cee2dfa02e936f81d0b06feb97ac3638b95acc20c02cbec8d912d08e

    • SHA512

      3f1ada360909ae845d380c7f94d2bb10144c8ee9c57166e50d9d5d1ee1ead20a0dd33ba88e88f82ab8f00f593f2d93e46a032f53d622d6af55056ebbd4403b54

    • SSDEEP

      12288:SHVJNQxT/4nRfA7fCcKZ0Z7KG4zHREqwu+1RJVFwUo0ucfJ:S1nQhAnRo7KcKZ0ZL4LREM+7JfFpx

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks