Overview

overview

10

Static

static

1

RFQ-000753.xls

windows7-x64

10

RFQ-000753.xls

windows10-2004-x64

1

Sharing

Copy URL
Twitter E-mail

General

  • Target

    RFQ-000753.xla

  • Size

    61KB

  • Sample

    240320-np8naagc4x

  • MD5

    0fa600f75bbb287974636e8538e76042

  • SHA1

    adbb2d02610d13028366283a5f006a24a8b44f16

  • SHA256

    0106667b89dd36d8867f97ad28e16e1b7cfbbea87fb3ca0fe721d133b927b193

  • SHA512

    868c8e28f63c41c9b3e297191471fae681289f814f7ebab4e33c0bbf02d76d705a43d067769090fb4f0ef27f5d84366ea60c4004e6878245d5957e9bc21104a5

  • SSDEEP

    768:UyBP0/+sG1tzXyBP0nApAEhJrOawVkC43+1eaIqnxMsijgO4E9XFzd:U68/pG1tzX68ApAEzrOawaaZus04E9

Score
10/10
remcosremotehostcollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.172.31.178:2404

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-NVSJ5U

  • 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

      RFQ-000753.xla

    • Size

      61KB

    • MD5

      0fa600f75bbb287974636e8538e76042

    • SHA1

      adbb2d02610d13028366283a5f006a24a8b44f16

    • SHA256

      0106667b89dd36d8867f97ad28e16e1b7cfbbea87fb3ca0fe721d133b927b193

    • SHA512

      868c8e28f63c41c9b3e297191471fae681289f814f7ebab4e33c0bbf02d76d705a43d067769090fb4f0ef27f5d84366ea60c4004e6878245d5957e9bc21104a5

    • SSDEEP

      768:UyBP0/+sG1tzXyBP0nApAEhJrOawVkC43+1eaIqnxMsijgO4E9XFzd:U68/pG1tzX68ApAEzrOawaaZus04E9

    Score
    10/10
    remcosremotehostcollectionpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Abuses OpenXML format to download file from external location

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks