Overview

overview

10

Static

static

3

Backdoor.exe

windows7-x64

10

Backdoor.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Backdoor.exe

  • Size

    36KB

  • Sample

    240930-w7yj2atcpe

  • MD5

    719462ce5560c1cb249dee9564a1f34c

  • SHA1

    b5a9519184036cda5756518e64decfaad60a2441

  • SHA256

    4a3338704ad09413d9fd5b62cf4181d87a4707a018232f3f63af922125bb262c

  • SHA512

    d695e4d1c45f5a92e40770ae631363aa0dcbc21ba769e01d735047f44f5a8b26afad1176c86127dd01bb3ea6fda234b2e3fdc71a55d475a13ca9069f4eb33950

  • SSDEEP

    768:hNnmZ/8vPlLUdhfJ8v6utFpVsOHjPgpG5Sh7D11nr1:fnwu4DejVdiG5q1r

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

74.215.232.65:2404

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

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_bzblukwtnxokphw

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Backdoor.exe

    • Size

      36KB

    • MD5

      719462ce5560c1cb249dee9564a1f34c

    • SHA1

      b5a9519184036cda5756518e64decfaad60a2441

    • SHA256

      4a3338704ad09413d9fd5b62cf4181d87a4707a018232f3f63af922125bb262c

    • SHA512

      d695e4d1c45f5a92e40770ae631363aa0dcbc21ba769e01d735047f44f5a8b26afad1176c86127dd01bb3ea6fda234b2e3fdc71a55d475a13ca9069f4eb33950

    • SSDEEP

      768:hNnmZ/8vPlLUdhfJ8v6utFpVsOHjPgpG5Sh7D11nr1:fnwu4DejVdiG5q1r

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Adds policy Run key to start application

      persistence

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks