Resubmissions

01/11/2023, 05:00

231101-fm56dach27 10

01/11/2023, 04:50

231101-fgclwacg32 10

01/11/2023, 04:47

231101-feznmacf79 1

01/11/2023, 03:45

231101-eba1esbh86 1

01/11/2023, 03:38

231101-d7fecabh47 1

General

  • Target

    EX773457346594.7z

  • Size

    2.5MB

  • Sample

    231101-fm56dach27

  • MD5

    bd4d041d9546ac60dd35832d2ce0b503

  • SHA1

    1f93fef0de0cb1bf66ee9ad4d9b58c15e713ff43

  • SHA256

    33296eb907b2d8db4325c279d0b2fa26f4a79e91362123add57269ad779d1942

  • SHA512

    f020caeb96dccb936c1a9d45b8fab9d62abaa3d30a94fd621818755819112afce4da7300ec3bb4760b0f8a6aa61ea5255fe6aac5737c6a83d441edb1e5f6ef8f

  • SSDEEP

    49152:bzzWuaLrrSnYnmeF6vu/BALwICtKJWz9XwGyhuEkDfekvA1vItBxoIR5Z51krs6K:nSuaLrO4meF6vu5aCtKJWRJXJWTARoIl

Malware Config

Extracted

Family

remcos

Botnet

Isoco

C2

20.252.43.59:4403

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    isoc.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %UserProfile%

  • mouse_option

    false

  • mutex

    imades-3GRAEN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      EX773457346594/EX773457346594.rar

    • Size

      2.5MB

    • MD5

      df45b56749c87dfb341efa09ccf72fec

    • SHA1

      76829439dc774f28e01c12b0fcc7a5b3336d016f

    • SHA256

      065e568f8548076a37a9f4b1de773f6cd6f553bb1c96be9c6ac64243627620f5

    • SHA512

      bc8909960b6ecac8ec6c6832d6ebbede64ff46930b387e568c121371bedf04b4f4eaf9abb242969722e633ffdeee2ed32b818206d7441e80b3b63b942ed65724

    • SSDEEP

      49152:eQYGoaLrFSn3PmeFYwVpfT6wdEprJwzwfUpyhPEkCfemnlZjOOBDnIRVV5qTMs6q:hfoaLrAfmeFYwVFlEprJwkoCMWe6+nIO

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks