Overview

overview

10

Static

static

1

Inquiry sheet.exe

windows7-x64

10

Inquiry sheet.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    4c978f15572a2b4a8205658fbdad088683c97a15b3b2ebf6104f79d95f7d86a5

  • Size

    427KB

  • Sample

    240912-ba9ktasgme

  • MD5

    e2d874fcc4e0e091c9293722cd6adc0f

  • SHA1

    bc420d445cba67a0a49d1470e009cf51ba6d949f

  • SHA256

    4c978f15572a2b4a8205658fbdad088683c97a15b3b2ebf6104f79d95f7d86a5

  • SHA512

    50b4ff19a451e9cd888dea57877f8812984d35d547e3957579b378bc9be475366f841fa99e3d3e2df3fcd0e7d89b8c9cec2d7342de66a7ea3b2e246871bdcea3

  • SSDEEP

    12288:kq0zE8qWCttpN9CwetnaF8t/oPz8pNNnaUX+BdE9G:/W9qWCttv5iPt/BpN0Uub

Score
10/10
guloaderremcosremcohostdiscoverydownloaderexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemcoHost

C2

91.92.255.64:2404

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-5MDDGY

  • 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

      Inquiry sheet.exe

    • Size

      735KB

    • MD5

      aefec84b0cf65067ab3252ffa4138be9

    • SHA1

      8428b6535d5f0ffd40a11caa713a7b1b053b5fd4

    • SHA256

      dfa4504070e1c32a693e9f6d89dc381e114efb66e450bb2ebcd4594fa06d1568

    • SHA512

      01485b43db4f1dc13f94ae3969d1e0e38e16c0fdb94a76e7d3d8241a411f9cc0dd2f9c85f8f84b159d3b0849059e693e9a84a76b32cf58bbd5a323dd0fa63810

    • SSDEEP

      12288:WnPdCpJPjzlM9caF8tZoP78pNNVyUX+9dc9a:qPdUJPFM9c5tZvpNmUuZ

    Score
    10/10
    guloaderremcosremcohostdiscoverydownloaderexecutionrat

    • 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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks