General

  • Target

    1352efe35374bcc94f0b4e189761610a8620ff63aad350060a806773c969fd53

  • Size

    759KB

  • Sample

    241217-x29wjswpcj

  • MD5

    e1dc71be5b3466d47a4934013be9b604

  • SHA1

    4c6627a901ade3b1f0cd6a233085deb7e044ef97

  • SHA256

    1352efe35374bcc94f0b4e189761610a8620ff63aad350060a806773c969fd53

  • SHA512

    a44f75ea0eac848dd2b724b9a50fb5b0259382f61a047563689381e3a60fc07547c209b2acdddcb1dae371cdf51f0065e2a89ff0276299c0d72928af87c9aafc

  • SSDEEP

    12288:GtomEHbPQsIbw8Z9TzDBWzowh0Nxj5gUZVroN64V23i3Qo+eSp5:TN7PXIdZlDBWUrx5gAVroNFHzU

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.87:2404

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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-UOMZ21

  • 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

      1352efe35374bcc94f0b4e189761610a8620ff63aad350060a806773c969fd53

    • Size

      759KB

    • MD5

      e1dc71be5b3466d47a4934013be9b604

    • SHA1

      4c6627a901ade3b1f0cd6a233085deb7e044ef97

    • SHA256

      1352efe35374bcc94f0b4e189761610a8620ff63aad350060a806773c969fd53

    • SHA512

      a44f75ea0eac848dd2b724b9a50fb5b0259382f61a047563689381e3a60fc07547c209b2acdddcb1dae371cdf51f0065e2a89ff0276299c0d72928af87c9aafc

    • SSDEEP

      12288:GtomEHbPQsIbw8Z9TzDBWzowh0Nxj5gUZVroN64V23i3Qo+eSp5:TN7PXIdZlDBWUrx5gAVroNFHzU

    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

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

    • Remcos family

    • 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

    • 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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      ca332bb753b0775d5e806e236ddcec55

    • SHA1

      f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

    • SHA256

      df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

    • SHA512

      2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

    • SSDEEP

      192:eo24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol6Sl:k8QIl975eXqlWBrz7YLOl6

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks