Overview

overview

10

Static

static

3

Pharmacoposia.exe

windows10-2004-x64

10

Pharmacoposia.exe

windows11-21h2-x64

10

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-21h2-x64

3

Sharing

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General

  • Target

    Pharmacoposia.exe

  • Size

    675KB

  • Sample

    250416-2pzl9swxey

  • MD5

    0ef8c8c1eee5fe77118d59cd697d7bf8

  • SHA1

    3be8115e6b62fce5e97fbb8503604cf562593077

  • SHA256

    7480374288b9c8b1c3170336fb3d17d59b7b90ca9a4e707eb693df4eb4d6cb87

  • SHA512

    ef3a3fc62e4b9f2c34a5cbeeffdf2f942de042cfbde6a473da699d33a7116e7f81210a47765247e0e1120458adad28b508a6e6e98384586f9c02a25cbe4c8147

  • SSDEEP

    12288:+Y/HaoayvDfkCtB15zvZElgjkqJhtU4LdNG1uRX9n32wP4+0E1DhiaOmpqCqm:+Y/HaDOvB1RxElgjv3thLy1uFlmwP4V4

Score
10/10
guloaderremcosremotehostdiscoverydownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

196.251.116.149:4507

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Z3DUGJ

  • 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

      Pharmacoposia.exe

    • Size

      675KB

    • MD5

      0ef8c8c1eee5fe77118d59cd697d7bf8

    • SHA1

      3be8115e6b62fce5e97fbb8503604cf562593077

    • SHA256

      7480374288b9c8b1c3170336fb3d17d59b7b90ca9a4e707eb693df4eb4d6cb87

    • SHA512

      ef3a3fc62e4b9f2c34a5cbeeffdf2f942de042cfbde6a473da699d33a7116e7f81210a47765247e0e1120458adad28b508a6e6e98384586f9c02a25cbe4c8147

    • SSDEEP

      12288:+Y/HaoayvDfkCtB15zvZElgjkqJhtU4LdNG1uRX9n32wP4+0E1DhiaOmpqCqm:+Y/HaDOvB1RxElgjv3thLy1uFlmwP4V4

    Score
    10/10
    remcosremotehostdiscoveryratguloaderdownloaderpersistence

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      cff85c549d536f651d4fb8387f1976f2

    • SHA1

      d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    • SHA256

      8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    • SHA512

      531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

    • SSDEEP

      192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks