Overview

overview

10

Static

static

ec8fa728e1...80.exe

windows7-x64

10

ec8fa728e1...80.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ec8fa728e1b4e4eea17cfe7cf17828bd0e42a061911adbdea8525db622c3cf80

  • Size

    340KB

  • Sample

    220724-2l6leabbf7

  • MD5

    77e6c7f57c85396bcc9cb835a24107d1

  • SHA1

    6a243d09ed09f339935577c746d0326c0dff2e38

  • SHA256

    ec8fa728e1b4e4eea17cfe7cf17828bd0e42a061911adbdea8525db622c3cf80

  • SHA512

    0f8203d8d710244728939b8b5ebc9053e3e0c3c1a9ba3de136fbf2dd8860ca74e277d067e13ccd2eca25ead0deeb782fd2b8ff345b2161ba4ee9720337348abd

Score
10/10
remcosgoldpersistencerat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

GOLD

C2

sub.thebest1jewels.waw.pl:2404

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

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-TP8KCR

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Extracted

Family

remcos

Botnet

GOLD

C2

sub.thebest1jewels.waw.pl:2404

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

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-TP8KCR

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      ec8fa728e1b4e4eea17cfe7cf17828bd0e42a061911adbdea8525db622c3cf80

    • Size

      340KB

    • MD5

      77e6c7f57c85396bcc9cb835a24107d1

    • SHA1

      6a243d09ed09f339935577c746d0326c0dff2e38

    • SHA256

      ec8fa728e1b4e4eea17cfe7cf17828bd0e42a061911adbdea8525db622c3cf80

    • SHA512

      0f8203d8d710244728939b8b5ebc9053e3e0c3c1a9ba3de136fbf2dd8860ca74e277d067e13ccd2eca25ead0deeb782fd2b8ff345b2161ba4ee9720337348abd

    Score
    10/10
    remcosgoldpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks