Overview

overview

10

Static

static

Extracto S...43.exe

windows7_x64

10

Extracto S...43.exe

windows10_x64

10

Sharing

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General

  • Target
    Extracto Serfinanza_0187651_85843_53171713968181210_627706_6896370833026759848_941162789707586143.exe
  • Size 116KB
  • Sample210809-b8n35eby3a
  • SHA256 d4d30acde6fa4db431b90817911b44d21c65fc1fa72744625bccafe3899869bc
  • MD5 SHA1 SHA512
Score
10/10
guloadermodiloaderremcosarsenal1downloaderevasionpersistencerattrojan

Malware Config

Extracted

Family

  • remcos

Version

  • 3.2.0 Pro

Botnet

  • Arsenal1

C2

  • observatorioplanificacionselectaccount.services:64153

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    xlogs452.dat

  • keylog_flag

    false

  • keylog_folder

    Rumtime21

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-LE1HBX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target
      Extracto Serfinanza_0187651_85843_53171713968181210_627706_6896370833026759848_941162789707586143.exe
    • Size 116KB
    • SHA256 d4d30acde6fa4db431b90817911b44d21c65fc1fa72744625bccafe3899869bc
    • MD5 SHA1 SHA512
    Score
    10/10
    guloadermodiloaderremcosdownloaderevasionpersistencerattrojanarsenal1

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

      trojanmodiloader

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks