Overview

overview

10

Static

static

1

fc8d8e349b...ed.rtf

windows7-x64

10

fc8d8e349b...ed.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    fc8d8e349b245c33b43169523d6d8ebbc617f07d3ec592bc71eccba272a53bed.rtf

  • Size

    61KB

  • Sample

    240322-eaw69sad8w

  • MD5

    e7b1dab5d64b8e37ab2c8b0a05fd486c

  • SHA1

    5ae4d3a7dec17b9740d4573e8f1014769e683f79

  • SHA256

    fc8d8e349b245c33b43169523d6d8ebbc617f07d3ec592bc71eccba272a53bed

  • SHA512

    1d68bb3e96612a9dca2a7d7dbfcf17297e0c39ed6e9dd7425c21176723393dfbbf6133c7cf1441e1a971fe8d46b89d08fda9fab02679efe24e70948d187ff710

  • SSDEEP

    768:44BZj16/joel758XI4BRQU/uPDr/MN/OEu3gAG188:RBZY/Uel6XPQU/C/MUEua

Score
10/10
remcosremotehostpersistenceratspywarestealer

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

      fc8d8e349b245c33b43169523d6d8ebbc617f07d3ec592bc71eccba272a53bed.rtf

    • Size

      61KB

    • MD5

      e7b1dab5d64b8e37ab2c8b0a05fd486c

    • SHA1

      5ae4d3a7dec17b9740d4573e8f1014769e683f79

    • SHA256

      fc8d8e349b245c33b43169523d6d8ebbc617f07d3ec592bc71eccba272a53bed

    • SHA512

      1d68bb3e96612a9dca2a7d7dbfcf17297e0c39ed6e9dd7425c21176723393dfbbf6133c7cf1441e1a971fe8d46b89d08fda9fab02679efe24e70948d187ff710

    • SSDEEP

      768:44BZj16/joel758XI4BRQU/uPDr/MN/OEu3gAG188:RBZY/Uel6XPQU/C/MUEua

    Score
    10/10
    remcosremotehostpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks