Overview

overview

10

Static

static

WAYBILL.exe

windows7_x64

6

WAYBILL.exe

windows10-2004_x64

10

Sharing

Copy URL
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General

  • Target

    Attachment.iso

  • Size

    1.6MB

  • Sample

    220325-q1wh7sdecm

  • MD5

    052f3d1cfc53d1e6b47189f20ebd9250

  • SHA1

    19a2b0b2527c076fcf86b82743cb1ce27a8cd97b

  • SHA256

    d01d468b1a708cdd63e86e00990dcb996eca66807175975fd139a3da4ec4b038

  • SHA512

    d51692030465f138911335aed768e57abc157473e6edf4077c40dcafd3fe57d5f48e2b4e20f9862b68948421b585f875c0dcd6f78a69a1ac2cb5a6d8c67f3735

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

flexyval01.hopto.org:2404

flexyval02.hopto.org:2404

flexyval03.hopto.org:2404

flexyval04.hopto.org:2404

flexyval06.hopto.org:2404

flexyval05.hopto.org:2404

flexyval07.hopto.org:2404
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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Gallery-STMAJU

  • 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

      WAYBILL.EXE

    • Size

      1.0MB

    • MD5

      a7c29d968ed68f24747b39f1bcec2705

    • SHA1

      0a30a96b8a155f03516812df1e4bffebeadca698

    • SHA256

      db5a12184d9b6acdf484a88b3e65aa9435f8a9d7eda48418aef2d028b98913d4

    • SHA512

      9b6a70d28e4ab26e7b0c4ae79b4a1211da45af13aaf5eb27d0eb6080f520e47dea134a2d45f6ab3caef4e04c363e4bafbc9589404a146e478c9e68b4d36d6729

    Score
    10/10
    persistenceremcosremotehostrat

    • Remcos

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

      ratremcos

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks