Overview

overview

10

Static

static

1

NER.exe

windows7-x64

10

NER.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NER.exe

  • Size

    1.3MB

  • Sample

    230323-k2ts4sgf3z

  • MD5

    15932ff2fd4d25d706112766560db0be

  • SHA1

    58f23f95ab0b98c90cc532479c584d3e920490b0

  • SHA256

    9d0382b562197eae6d94c939b20facd7614b097cb8ad53bf135818d6b854a785

  • SHA512

    cc00da25f8b0980a5721b7d7b9c1cdfa7c203fe52a43587c3ff54e5d836fd54ec13a41aa28b4655724c56b8b20c60248ee96572a3a65c899256a7ff996942bdd

  • SSDEEP

    24576:sHF0bvDMniKoyitZ2OGBhm9et9pBtV7eSgO5v0jMYuyDwVEXjByQdURaA3T:qFKAnzoyI+h4ugW/YuyDSEzORfT

Score
10/10
remcosmaly 2023-hostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Maly 2023-Host

C2

maly22333.ddnsking.com:3091

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    cos.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

  • mouse_option

    false

  • mutex

    Rmc-GY5GD6

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    nsa

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      NER.exe

    • Size

      1.3MB

    • MD5

      15932ff2fd4d25d706112766560db0be

    • SHA1

      58f23f95ab0b98c90cc532479c584d3e920490b0

    • SHA256

      9d0382b562197eae6d94c939b20facd7614b097cb8ad53bf135818d6b854a785

    • SHA512

      cc00da25f8b0980a5721b7d7b9c1cdfa7c203fe52a43587c3ff54e5d836fd54ec13a41aa28b4655724c56b8b20c60248ee96572a3a65c899256a7ff996942bdd

    • SSDEEP

      24576:sHF0bvDMniKoyitZ2OGBhm9et9pBtV7eSgO5v0jMYuyDwVEXjByQdURaA3T:qFKAnzoyI+h4ugW/YuyDSEzORfT

    Score
    10/10
    remcosmaly 2023-hostpersistencerat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks