Overview

overview

10

Static

static

1

PAYMENTXSLIP.xlsx

windows7-x64

10

PAYMENTXSLIP.xlsx

windows10-2004-x64

1

Sharing

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General

  • Target

    PAYMENTXSLIP.xlsx

  • Size

    757KB

  • Sample

    230209-htt3ssha83

  • MD5

    4184a54011e2ebc0efd775fd1d71928d

  • SHA1

    e39809010188b08c73e9bacadce6d2fa9269af79

  • SHA256

    0b801f372647dee83d3d425117fd5c9ee08bc4cfeba9e7d742b89402bc251e0b

  • SHA512

    f69c4669429d691380db453c3062a62210c4845d755f390a93781bb21741910ce1ed58235b495ef17604e4fda5d978fef8dcc024f31db8b42f1830b781c5bf86

  • SSDEEP

    12288:nVV0P4t1YbCpl5UEUxpOj/tvXZzN+e74JHfBld1N1D5j+c7FCVNEU5FESQmrivTU:nVN1YC1UE8pOjdVN+e74B/J1DN+e2H5/

Score
10/10
remcoseric-host 2023persistencerat

Malware Config

Extracted

Family

remcos

Botnet

Eric-Host 2023

C2

craigjonson1.gotdns.ch:2011

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    trs.exe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-Z2FLAS

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    ee

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      PAYMENTXSLIP.xlsx

    • Size

      757KB

    • MD5

      4184a54011e2ebc0efd775fd1d71928d

    • SHA1

      e39809010188b08c73e9bacadce6d2fa9269af79

    • SHA256

      0b801f372647dee83d3d425117fd5c9ee08bc4cfeba9e7d742b89402bc251e0b

    • SHA512

      f69c4669429d691380db453c3062a62210c4845d755f390a93781bb21741910ce1ed58235b495ef17604e4fda5d978fef8dcc024f31db8b42f1830b781c5bf86

    • SSDEEP

      12288:nVV0P4t1YbCpl5UEUxpOj/tvXZzN+e74JHfBld1N1D5j+c7FCVNEU5FESQmrivTU:nVN1YC1UE8pOjdVN+e74B/J1DN+e2H5/

    Score
    10/10
    remcoseric-host 2023persistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks