Overview

overview

10

Static

static

3

0d84935d75...07.exe

windows7-x64

10

0d84935d75...07.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0d84935d753e9066e83e9c57e5b4a665338b8dc56c31b429ff77208e07bb2b07

  • Size

    2.3MB

  • Sample

    240615-xbwk8svcpm

  • MD5

    81712e0bc8435df05e8091121bcb94e9

  • SHA1

    4822b0e47a0bfeef39812d0a140fa1ce497ba722

  • SHA256

    0d84935d753e9066e83e9c57e5b4a665338b8dc56c31b429ff77208e07bb2b07

  • SHA512

    a811bce5c38f78f6a37c9095414de08d63357e5bbc48be690312fdbe8221b1a5c85f92975ef44a698ee50f8ed3a2289adf05b3d7b41afb650c05d78e4903d09e

  • SSDEEP

    24576:STddvv8bnSYfLT1qVFrj7x+qVwxB+/ULsgfGQkOkl9sxkvqUMekCx:STdx8HAToqVwSKsgfGRsxkvqRekCx

Score
10/10
remcoshostpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

blessbebenard21.ddns.net:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    firewall.exe

  • copy_folder

    firewall

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_pvamukqbyy

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      0d84935d753e9066e83e9c57e5b4a665338b8dc56c31b429ff77208e07bb2b07

    • Size

      2.3MB

    • MD5

      81712e0bc8435df05e8091121bcb94e9

    • SHA1

      4822b0e47a0bfeef39812d0a140fa1ce497ba722

    • SHA256

      0d84935d753e9066e83e9c57e5b4a665338b8dc56c31b429ff77208e07bb2b07

    • SHA512

      a811bce5c38f78f6a37c9095414de08d63357e5bbc48be690312fdbe8221b1a5c85f92975ef44a698ee50f8ed3a2289adf05b3d7b41afb650c05d78e4903d09e

    • SSDEEP

      24576:STddvv8bnSYfLT1qVFrj7x+qVwxB+/ULsgfGQkOkl9sxkvqUMekCx:STdx8HAToqVwSKsgfGRsxkvqRekCx

    Score
    10/10
    remcoshostpersistencerat

    • Remcos

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

      ratremcos

    • detects Windows exceutables potentially bypassing UAC using eventvwr.exe

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks