Overview

overview

10

Static

static

3

cf2d4e1a5f...18.exe

windows7-x64

10

cf2d4e1a5f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf2d4e1a5f04682abe68311c5ea02402_JaffaCakes118

  • Size

    552KB

  • Sample

    240906-kzprdaxhjc

  • MD5

    cf2d4e1a5f04682abe68311c5ea02402

  • SHA1

    d871ac3c14aee753e81796b29f3177ee23c585f7

  • SHA256

    98f031407df4d599b9027f8e672436f1b61876048529a1304bc3118c82d42bd6

  • SHA512

    aed48e62648970c7fb787eb81d5674080987a83b55e1b1fd9b348f02c64e95ba1aabb0598a8f07063f8a13cc7586e223840c9e654b6b104323417d5e1f83066a

  • SSDEEP

    12288:swFPGxJDbawx1fVc+yjaUP6tplMw797fCbs66u6tfIxk:swNMJ6wBuTMlM8JYr6uYI2

Score
10/10
remcoscorona lockdowndiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Corona Lockdown

C2

enmark81.duckdns.org:4045

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Windows logoff sound.exe

  • copy_folder

    Windows Sound

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Windows Sound

  • keylog_path

    %WinDir%

  • mouse_option

    false

  • mutex

    Windows Audio

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Windows Audio

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    Username;password;proforma;invoice;notepad

Targets

    • Target

      cf2d4e1a5f04682abe68311c5ea02402_JaffaCakes118

    • Size

      552KB

    • MD5

      cf2d4e1a5f04682abe68311c5ea02402

    • SHA1

      d871ac3c14aee753e81796b29f3177ee23c585f7

    • SHA256

      98f031407df4d599b9027f8e672436f1b61876048529a1304bc3118c82d42bd6

    • SHA512

      aed48e62648970c7fb787eb81d5674080987a83b55e1b1fd9b348f02c64e95ba1aabb0598a8f07063f8a13cc7586e223840c9e654b6b104323417d5e1f83066a

    • SSDEEP

      12288:swFPGxJDbawx1fVc+yjaUP6tplMw797fCbs66u6tfIxk:swNMJ6wBuTMlM8JYr6uYI2

    Score
    10/10
    remcoscorona lockdowndiscoveryevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Program crash

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
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

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks