Overview

overview

10

Static

static

1

Remittance Advice.vbs

windows7-x64

8

Remittance Advice.vbs

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Remittance Advice.vbs

  • Size

    1.5MB

  • Sample

    240819-qrg98awfqg

  • MD5

    6bd142a5c2cb38a2bcf50811b39a90cf

  • SHA1

    dc6311e5e2dc00c74d80c0cbe7287c5f206744ac

  • SHA256

    3f80d6ff7a276e68731118c6021ee6c5ac84ed0f2c4a7cf2031f549e2130df97

  • SHA512

    845fa1fdf22683e2d8b35b17622c914a75c94af5943ac2476288ea1b9368fe95bc75b38506f4145b32cdd5aab16532050db5a40af9cb73745398fc096acb1f35

  • SSDEEP

    24576:HE6rtaRsFIhaLFJfCF9MSStwCv7FaBb2PJUMKh3a+3PSCZhau5TqFOe1B:NwQC00BCy9zJY3z

Score
10/10
remcosvolcanic eruptiondiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

VOLCANIC ERUPTION

C2

127.0.0.1:1282

www.naichihardware.com:1282
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

    media

  • mouse_option

    false

  • mutex

    Rmc-N7BV4S

  • 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

      Remittance Advice.vbs

    • Size

      1.5MB

    • MD5

      6bd142a5c2cb38a2bcf50811b39a90cf

    • SHA1

      dc6311e5e2dc00c74d80c0cbe7287c5f206744ac

    • SHA256

      3f80d6ff7a276e68731118c6021ee6c5ac84ed0f2c4a7cf2031f549e2130df97

    • SHA512

      845fa1fdf22683e2d8b35b17622c914a75c94af5943ac2476288ea1b9368fe95bc75b38506f4145b32cdd5aab16532050db5a40af9cb73745398fc096acb1f35

    • SSDEEP

      24576:HE6rtaRsFIhaLFJfCF9MSStwCv7FaBb2PJUMKh3a+3PSCZhau5TqFOe1B:NwQC00BCy9zJY3z

    Score
    10/10
    discoveryexecutionremcosvolcanic eruptionrat

    • Remcos

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

      ratremcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks