Overview

overview

10

Static

static

1

shipping documents.js

windows7-x64

10

shipping documents.js

windows10-2004-x64

10

Sharing

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General

  • Target

    shipping documents.js

  • Size

    671KB

  • Sample

    240819-qk4jwazbjq

  • MD5

    81c64242c41cb08fb5128c12435a2158

  • SHA1

    ca09545b9d458f8be936994f2a886fd62adb0a6b

  • SHA256

    45fc6967935f84f02714f9ac150f6c7ff75ca0c51b45a6816840e70cdd4e280b

  • SHA512

    55b22d2e13ab013efefff3a6ebb19089b97531ed6a6593df74994e1f946adfa84adee9aa488a0688ad7caa9f5cc38ac3a2e03919b524afb744f829186d07e995

  • SSDEEP

    12288:ljglKDTe5LWuz7rFaXXSTIUqIb8avc9AFjIpu6gXyP4jrWJ9YjXZOETws6MpBj+j:+vq0Z6udjVEG6UILx

Score
10/10
remcosboma -august-crypt-tools- ujudiscoveryexecutionpersistenceratupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg
exe.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

Extracted

Family

remcos

Botnet

BOMA -AUGUST-CRYPT-TOOLS- UJU

C2

myfrontmannysix.ddns.net:4939

backupfrontmanny.duckdns.org:4939
Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    dghf.exe

  • copy_folder

    uiyk

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %Temp%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    jjs-djk-skd-3M43BB

  • 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

      shipping documents.js

    • Size

      671KB

    • MD5

      81c64242c41cb08fb5128c12435a2158

    • SHA1

      ca09545b9d458f8be936994f2a886fd62adb0a6b

    • SHA256

      45fc6967935f84f02714f9ac150f6c7ff75ca0c51b45a6816840e70cdd4e280b

    • SHA512

      55b22d2e13ab013efefff3a6ebb19089b97531ed6a6593df74994e1f946adfa84adee9aa488a0688ad7caa9f5cc38ac3a2e03919b524afb744f829186d07e995

    • SSDEEP

      12288:ljglKDTe5LWuz7rFaXXSTIUqIb8avc9AFjIpu6gXyP4jrWJ9YjXZOETws6MpBj+j:+vq0Z6udjVEG6UILx

    Score
    10/10
    discoveryexecutionremcosboma -august-crypt-tools- ujupersistenceratupx

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks