Overview

overview

10

Static

static

3

f106558563...0N.exe

windows7-x64

10

f106558563...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f106558563ef13a879cc15f3625fbfe0N.exe

  • Size

    140KB

  • Sample

    240823-19wwfazgjd

  • MD5

    f106558563ef13a879cc15f3625fbfe0

  • SHA1

    e45a0531db955a1dd1befcf0a9f849c82704bdbe

  • SHA256

    ab1863097df61e6f421971762e3dbc8773fc3cf6dc62e120ce4e105270fd5d3c

  • SHA512

    1c67e65078e237b61b4ef720d28c2227849b469d849670b1f10f03d49b28c0c9f5734a3adba498a54efc22e11811075af5b6577a1f2770901d1ba8ad05dce114

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHb+a:xP6/M+WLckOBhVmI0+a

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000
Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      f106558563ef13a879cc15f3625fbfe0N.exe

    • Size

      140KB

    • MD5

      f106558563ef13a879cc15f3625fbfe0

    • SHA1

      e45a0531db955a1dd1befcf0a9f849c82704bdbe

    • SHA256

      ab1863097df61e6f421971762e3dbc8773fc3cf6dc62e120ce4e105270fd5d3c

    • SHA512

      1c67e65078e237b61b4ef720d28c2227849b469d849670b1f10f03d49b28c0c9f5734a3adba498a54efc22e11811075af5b6577a1f2770901d1ba8ad05dce114

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHb+a:xP6/M+WLckOBhVmI0+a

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks