Overview

overview

10

Static

static

Ordre d?ac...df.exe

windows7_x64

10

Ordre d?ac...df.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    0dbc322586fa9f92b727134d3b497df20b5629a21404f00cea9873382a7ac4c8

  • Size

    209KB

  • Sample

    220521-d2rkesgfh7

  • MD5

    0033a94b23f9f5a7f031ecdb45cfd38f

  • SHA1

    a597a57082243bf31cac21fe41828e1919835a67

  • SHA256

    0dbc322586fa9f92b727134d3b497df20b5629a21404f00cea9873382a7ac4c8

  • SHA512

    f5eadfdbb7bf2eaa0b6c06eb6c3fbe056936d6d2b8c954603ef929ff4d909d4d931ccce9729cebe3c2e7face4b885e4971a5d0d72780f9e79f925985698619a8

Score
10/10
remcosremotehostcoreentityratrezer0

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

RemoteHost

C2

experience2477.ddns.net:1965

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

    Remcos-MCNA55

  • 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

    wikipedia;solitaire;

Targets

    • Target

      Ordre d?achat SZ5-9-020,pdf.exe

    • Size

      363KB

    • MD5

      6932391f4b0a51e31f16b26c44e2c437

    • SHA1

      0056033f60670d99465691ff44301885a5dad5e2

    • SHA256

      3dc72f904d94fdf5e6cbb0fa1d4055cf7caca8f700c965f7fda9729494a30456

    • SHA512

      899594e17920791b29f1347fbf13175d532cd578eefe93cd4e4b7219234fb3140b3b0f192f7d6262a284573c185472ed81ae77711e7491dea55361187f2758df

    Score
    10/10
    remcosremotehostcoreentityratrezer0

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • Remcos

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

      ratremcos

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Checks computer location settings

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

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks