Overview

overview

10

Static

static

1

7bd1cce43f...7f.exe

windows7-x64

10

7bd1cce43f...7f.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    7bd1cce43f6b48c8ddd492e5711fd17f.exe

  • Size

    971KB

  • Sample

    240925-q9tqzasdla

  • MD5

    7bd1cce43f6b48c8ddd492e5711fd17f

  • SHA1

    3f650d8993c542682aa61c725ea1bb4ee93d259a

  • SHA256

    c5636797b8bad3e9ff18f51d269ace0948112d9ff03a9900a174687fec4bae3b

  • SHA512

    fe804b78cd734192664366364b099a5676d58101b9fe03c40c925cfe1cc202a99e04094d0fa93338ed831015d7ccd2ede88f04ab3cf6410542853a5a228face2

  • SSDEEP

    12288:5Ly0SryvXRpHnez0SBkasZa0kITLwn096zdZEkINz3WSV3:5Ly0SG/zHMBbsZadi80qZgNz3R

Score
10/10
guloaderremcosrem_doc2discoverydownloaderexecutionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Rem_doc2

C2

107.173.4.16:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-DSGECX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      7bd1cce43f6b48c8ddd492e5711fd17f.exe

    • Size

      971KB

    • MD5

      7bd1cce43f6b48c8ddd492e5711fd17f

    • SHA1

      3f650d8993c542682aa61c725ea1bb4ee93d259a

    • SHA256

      c5636797b8bad3e9ff18f51d269ace0948112d9ff03a9900a174687fec4bae3b

    • SHA512

      fe804b78cd734192664366364b099a5676d58101b9fe03c40c925cfe1cc202a99e04094d0fa93338ed831015d7ccd2ede88f04ab3cf6410542853a5a228face2

    • SSDEEP

      12288:5Ly0SryvXRpHnez0SBkasZa0kITLwn096zdZEkINz3WSV3:5Ly0SG/zHMBbsZadi80qZgNz3R

    Score
    10/10
    guloaderremcosrem_doc2discoverydownloaderexecutionpersistencerat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks