Overview

overview

10

Static

static

3

e74729c3bf...a2.exe

windows7-x64

10

e74729c3bf...a2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2

  • Size

    372KB

  • Sample

    250330-zmmhtawzaw

  • MD5

    566502fdae5980d5ecd941404442db1f

  • SHA1

    e75a4e756820c1ed7039dca27f6c5d0e67f9e05d

  • SHA256

    e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2

  • SHA512

    16d2c37003c2c3ca15004a4ac3232cb1a4698efd6d5974a6238381feec035f919e53a4ce21254d4612e64f15785c583b3e822c441b2c6f411bbe290bdcb1c2fe

  • SSDEEP

    6144:t6dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiee:tQqQx+H2i+8LBNbdypazCXYI

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2

    • Size

      372KB

    • MD5

      566502fdae5980d5ecd941404442db1f

    • SHA1

      e75a4e756820c1ed7039dca27f6c5d0e67f9e05d

    • SHA256

      e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2

    • SHA512

      16d2c37003c2c3ca15004a4ac3232cb1a4698efd6d5974a6238381feec035f919e53a4ce21254d4612e64f15785c583b3e822c441b2c6f411bbe290bdcb1c2fe

    • SSDEEP

      6144:t6dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiee:tQqQx+H2i+8LBNbdypazCXYI

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • 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

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks