Overview

overview

10

Static

static

3

GST Certificate.exe

windows7-x64

10

GST Certificate.exe

windows10-2004-x64

10

Resubmissions

24-04-2024 09:42

240424-lpkkcage44 10

10-04-2024 07:03

240410-hvephafc64 10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    GST Certificate.rar.pellet

  • Size

    510KB

  • Sample

    240410-hvephafc64

  • MD5

    34bcdb6699d92ef964e4a1550928b2cd

  • SHA1

    88272fdd04f4c60ff8e07c68c32e7e787f0bac91

  • SHA256

    0ecb16045471931b0f4ae4e6090798f3c983b74bb4fc53393aacb317eb834141

  • SHA512

    8cb39e01ff7443dac2707cf8b05317c869043874fa14736c7a4c2a221f1790d89721096f4b323c5bdb66de86083b3b06768b43abe95ee9b379480f80f6d069b4

  • SSDEEP

    12288:jWyAvAqURxhIeVE/70EZxAhXy8piciLJBMng8:CyfTxW/41yZvDc

Score
10/10
remcoshostpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

104.254.90.187:9704

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    team

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_vseandhklfzfgjj

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      GST Certificate.exe

    • Size

      624KB

    • MD5

      dbf4b372a3908f1474045ee2ebd99688

    • SHA1

      551ac7acf871beb4eed8218628c7d79e72cd1487

    • SHA256

      febaf2e4a4f46a0d9cde131025f1ef3106dbf8589a0af7758d3893f9b602f2a8

    • SHA512

      2f546b3c5ba52d891bf7ddd3586bd446c4dd608667a83ce81a551da70420facb474b3d3ff9303e7c184f5731318db5758bd0ad8639ad4eb6ca0f7c44dafe1633

    • SSDEEP

      12288:XZNR4EoOBKMNHlgkk5B5sf6ypaU0vyG2LGcJmcMmlfW189Jmw6EAmD:RoOBrBltckSypaHvy/dO1T

    Score
    10/10
    remcoshostpersistencerat

    • Remcos

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

      ratremcos

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks