Overview

overview

10

Static

static

9

New Order ...97.exe

windows7_x64

10

New Order ...97.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    6201c84444a1047e33e7ce68bf998d9470b950f76ec919322c1f24c865ba547d

  • Size

    300KB

  • Sample

    220521-pbjyfaabfk

  • MD5

    2f5d8fca0e6dedc5a066339a8ffeb0f7

  • SHA1

    4ab3b37a21fdd39df479325069d9c976dc0dcc5d

  • SHA256

    6201c84444a1047e33e7ce68bf998d9470b950f76ec919322c1f24c865ba547d

  • SHA512

    1a56303e6902aeb33e2511f8dd6c5f8a4bdd36a41fead2f162ccfb9d052b27af0be97e6146ddb572da6793bfebdcb551df8b68222cc0333bc351ab01a7847102

Score
10/10
remcosremotehostcoreentityratrezer0

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

RemoteHost

C2

dolxxrem.hopto.org:3086

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-B3XNCF

  • 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

      New Order # 8558497.exe

    • Size

      395KB

    • MD5

      1bb8ba2c732f0401a2b2fb80c546ae29

    • SHA1

      4db89e355f30bede562ee9959ce662a06ac7475e

    • SHA256

      a006ce3d5e86dac171acaeac9ffeab9172a5ff4daceca820df5d05f87f0cf6ff

    • SHA512

      3664c862ca54341ef530eabcb26ee84739a9fdbd3de252421fb9c67b6b0d9d5acc562c968d49d4ee66df3e2b4412368b641eb6ff671280beae06741bb1960eed

    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

    • CoreCCC Packer

      Detects CoreCCC packer used to load .NET malware.

    • 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