Overview

overview

10

Static

static

10

tree.exe

windows10-2004-x64

10

tree.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    tree.exe
  • Size 469KB
  • Sample261026-vem26afs8v
  • SHA256 49bcc0a6fa25f1d01ff245484042523430a1341b16417f343520f06a43a7f238
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcoswhitedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

  • remcos

Version

  • 3.8.0 Pro

Botnet

  • white

C2

  • u973.cantdown.su:1728

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    senseX86.exe

  • copy_folder

    windlc

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    15896548685687685-OCP91S

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    WinDlcx64

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

  • remcos

Botnet

  • white

C2

  • u973.cantdown.su:1728

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    senseX86.exe

  • copy_folder

    windlc

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    15896548685687685-OCP91S

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    WinDlcx64

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      tree.exe
    • Size 469KB
    • SHA256 49bcc0a6fa25f1d01ff245484042523430a1341b16417f343520f06a43a7f238
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    whitedefense_evasiondiscoveryexecutionremcospersistenceprivilege_escalationrattrojan

    • Family: Remcos

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

      ratremcos

    • UAC bypass

      defense_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

    • Executes a VBScript file via the Windows Script Host.

      execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Visual Basic

1
T1059.005

Windows Command Shell

1
T1059.003

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

Process Injection

1
T1055

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

Process Injection

1
T1055

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks