General

  • Target

    4b0034a2e86bf558c75772bbeb8a538f1b3f6574227b5dbf8374eaa4046637c7.zip

  • Size

    41.3MB

  • Sample

    240815-bl13tawfqd

  • MD5

    5c967cda0ba79bb41406b8c503817657

  • SHA1

    97f1da7e60cee2e21e819c3f84f56dbba81ac522

  • SHA256

    4b0034a2e86bf558c75772bbeb8a538f1b3f6574227b5dbf8374eaa4046637c7

  • SHA512

    5efd2b88d5c771f23b7624da56aa7daaed301ce8bad236ac6108006ddf01049cd6bf18089917b688d397e9bfdc8c5abca30cd7ea83edbc86a67eeb6cdfaabb06

  • SSDEEP

    786432:RNtA6KVqCBx1Ow1JAHRq/86q5KgkIVMRC1iJV9ieKfz8VTg694tb4/rdycVw3NcP:vtA64x1OwHTqh3M4sJV9iug6ub4AcVck

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

privmerkt.com:6042

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-LKQWZ1

  • 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

      1099.e

    • Size

      40.8MB

    • MD5

      6ae1a9d8b283b8da4ec2d1fb01090d74

    • SHA1

      a3d7592e8af160f5b233abe007e9b8c29b4d66bd

    • SHA256

      1b8a78075bdac18361ffbe3b494b8095a4f64a2b95d18c5554bd588c84190621

    • SHA512

      6a9b116ddb29af6017b54d8a103fa46d6d3ee2e63613dff146edb99b1287c1c61b7f0ec113a6e93e17c65bcef843a2a989eb5373bdc57298d0b0d6ca0b3d1519

    • SSDEEP

      786432:U4Gbn+40bnZ4Ubnd4Ubnd4XbnT4mbnY4MbnR4UbnUEU9CGqb+:U4E+4aZ46d46d4LT4kY4iR46UEU9CGqC

    Score
    3/10
    • Target

      TAXORGANIZERpdf.exe

    • Size

      1.7MB

    • MD5

      30307b319b2451b6bf61d3e6b232f1da

    • SHA1

      6a512848872be1325761e7ca110e0a1ee91cb0ef

    • SHA256

      a7dbbad8a1cd038e5ab5b3c6b1b312774d808e4b0a2254e8039036972ac8881a

    • SHA512

      7833ecb30a75324af6852e3583a609a653652f3cda9037ace7a1098ce7e52ed4b994c5ff1a0a0b4db748a01b06e8d4b8a10a50ebb9c0d4fbc8aa12dd1168f0b7

    • SSDEEP

      24576:17AMY27PG+4VWz3zYxQ2IQKbvavAyoVVxPuOcabAC9fH6lJUkwJYaTTgKmfa8+:Nwj+4VWnoqSkHNckbfH6lJ2XgKmf+

    • Remcos

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

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Target

      msimg32.dll

    • Size

      2.0MB

    • MD5

      0053dea750b34089a1de8d10d18a9528

    • SHA1

      e47bae9334a3cbeb1491756bb117e75882507bb6

    • SHA256

      b670e59f539f07cfa6e43d69a9792f1fa38cf6dbdd92bca0db08511727e9308d

    • SHA512

      cc1c2c8181a9604b93cafe7c255a1002454e90fa8c9bf5eb07be5868e331412895314c1e9ba970f8abf0f338aeb14b4211dbd18653e0e880dc9518a35da68c28

    • SSDEEP

      49152:Mp1wTHyQhBCMsvEq0eBiDw0uJDHufr4/6B7uvRKtIe3/D92K6xZG5f+WFFynVsuf:01wTHF5svP7YDw0kwk2q

    • Remcos

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

    • Blocklisted process makes network request

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks