Overview

overview

10

Static

static

3

9fee09aa0f...ea.exe

windows7-x64

10

9fee09aa0f...ea.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9fee09aa0f6ba44d438b060846dd5fdb4d08615a5a8b7a1b9c8f20515c39efea.exe

  • Size

    372KB

  • Sample

    250216-hfr2aaxnf1

  • MD5

    33d7ea9688d70b62ed8e1c77c0a780e7

  • SHA1

    385c2ed7f91f1e8a1333941c34bb0267f169157d

  • SHA256

    9fee09aa0f6ba44d438b060846dd5fdb4d08615a5a8b7a1b9c8f20515c39efea

  • SHA512

    b20d5da09905e0f8fe8f0662602683be200548557075083c488420b51255f8486c8db15c0ea3066bff3cbdbc392fa281572866ab08c5ecc9e50e6f06b66b1986

  • SSDEEP

    6144:t1dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiS+:tXqQx+H2i+8LBNbdypazCXYM

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

      9fee09aa0f6ba44d438b060846dd5fdb4d08615a5a8b7a1b9c8f20515c39efea.exe

    • Size

      372KB

    • MD5

      33d7ea9688d70b62ed8e1c77c0a780e7

    • SHA1

      385c2ed7f91f1e8a1333941c34bb0267f169157d

    • SHA256

      9fee09aa0f6ba44d438b060846dd5fdb4d08615a5a8b7a1b9c8f20515c39efea

    • SHA512

      b20d5da09905e0f8fe8f0662602683be200548557075083c488420b51255f8486c8db15c0ea3066bff3cbdbc392fa281572866ab08c5ecc9e50e6f06b66b1986

    • SSDEEP

      6144:t1dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiS+:tXqQx+H2i+8LBNbdypazCXYM

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Downloads MZ/PE file

    • 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