Overview

overview

10

Static

static

10

Remcos v4.9.3 Pro.exe

windows7-x64

10

Remcos v4.9.3 Pro.exe

windows10-2004-x64

10

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General

  • Target

    Remcos v4.9.3 Pro.exe

  • Size

    467KB

  • Sample

    231130-v9xvvafc8s

  • MD5

    ccb5f97be3daefc9cdeaff2aec1ad323

  • SHA1

    3b561e66a88eb6072a363c1b9cc52d0a679c20e6

  • SHA256

    f7284ed876aebbf3407d50fd6acdbd11adb75c31550c3034c1600f4eb4e61043

  • SHA512

    c6716462e91b02b561ebe89418c3a36eea7dea6924ff6483cef6c834512123258706924cb8ec07040325522d41fe329659758b01f69bf6a17805599344f01180

  • SSDEEP

    6144:sXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNF5Gv:sX7tPMK8ctGe4Dzl4h2QnuPs/Zs0cv

Score
10/10
hawkeyeremcosnulledevasionkeyloggerpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

remcos

Botnet

nulled

C2

essagbs.ddns.net:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    svhost.exe

  • delete_file

    false

  • 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

    logs

  • mouse_option

    false

  • mutex

    ewaewefsefsefdseadwadf-21RLZF

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Remcos v4.9.3 Pro.exe

    • Size

      467KB

    • MD5

      ccb5f97be3daefc9cdeaff2aec1ad323

    • SHA1

      3b561e66a88eb6072a363c1b9cc52d0a679c20e6

    • SHA256

      f7284ed876aebbf3407d50fd6acdbd11adb75c31550c3034c1600f4eb4e61043

    • SHA512

      c6716462e91b02b561ebe89418c3a36eea7dea6924ff6483cef6c834512123258706924cb8ec07040325522d41fe329659758b01f69bf6a17805599344f01180

    • SSDEEP

      6144:sXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNF5Gv:sX7tPMK8ctGe4Dzl4h2QnuPs/Zs0cv

    Score
    10/10
    hawkeyeremcosnulledevasionkeyloggerpersistenceratspywarestealertrojan

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

      keyloggertrojanstealerspywarehawkeye

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks