Overview

overview

10

Static

static

3

5498717122...66.exe

windows7-x64

10

5498717122...66.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9a4cc81fdf4ff4117cf31313b0c41238_JaffaCakes118

  • Size

    321KB

  • Sample

    241125-j77fqaxnaz

  • MD5

    9a4cc81fdf4ff4117cf31313b0c41238

  • SHA1

    626075a6ca235c4b37fcae6689a1a9ddd9197d84

  • SHA256

    923bc7641ff951ee9d5c248e26268a97df150351e70b2b40fd7cb058fc8a7a03

  • SHA512

    3e5c7980d2ce68af072ec05227cd43251465436f54a4324ea5eb1d263bd02a41fb9bc4aa21552acd4b66cf043afa516e83b5c864528ebe5547ba44643a7562f8

  • SSDEEP

    6144:1Eh53xXoWFphWmpKdVZhP2+eqxRFeDR9EenzeaX9I2wD+vp6WcHj:KnyerYP2hkRQNe899wD+vExj

Score
10/10
remcosteam33discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Version

2.0.5 Pro

Botnet

team33

C2

wiskiriski15.duckdns.org:1626

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    csrss.exe

  • copy_folder

    Microsoft

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    TKeSkxi-O6GOWP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    csrss

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      54987171228690403848042072963010428256570551793178102301527820085900750925005634446887951863161674661854486149705485391499905265.exe

    • Size

      668KB

    • MD5

      8aa1a76b4376bff1b15c61ac32356e3d

    • SHA1

      166dd235cc46a451cfcf1a064ec57fc723487f54

    • SHA256

      e727ed652a2b4da65d9a31ed081a59179d18a504cdfb52387e977a5c3689398d

    • SHA512

      9d12f905afcf295bb818c7d78045b4b61c12c9e697b4b883d11367253da565a588396fb59c859c744c92f217f85b11e70c3475b7bc0ceda2317bc36219046bdc

    • SSDEEP

      12288:a3aGraE/mdQVnY8AiThjQ5wBXIUo7oew04zsNijwh:Ob/m+VnFBdjQwI1iOh

    Score
    10/10
    remcosteam33discoveryevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • UAC bypass

      evasiontrojan

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks