Overview

overview

10

Static

static

1

och_ex_antivirus.exe

windows7-x64

10

och_ex_antivirus.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    och_ex_antivirus.exe

  • Size

    17.0MB

  • Sample

    240422-n4l3tsah87

  • MD5

    eb33ab953cc1efc9a57c6c9db447a587

  • SHA1

    e5657e79caa5722ac87a0b933f9a22d4b4844f71

  • SHA256

    042767e0fa4fa7fe964a771a9d743ebb740d4f9a1e59609c704f51958310b1ff

  • SHA512

    69b6ed09d38a85bef70ff52e7833d060163c0b6bddd271d81f801a99513da2985d5d25dcb971b57b00504053b93068e5921142abb13ed05c33e1e1d5c4841c78

  • SSDEEP

    196608:C0bq45mXYPrOLaw1ZiRaKUhi9TQvtzEXPg7V8/TLZ5:/bq4oojOLahUhi9z/PTLr

Score
10/10
remcosremotehostevasionrattrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

178.33.57.155:443

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-PM1AI7

  • 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

      och_ex_antivirus.exe

    • Size

      17.0MB

    • MD5

      eb33ab953cc1efc9a57c6c9db447a587

    • SHA1

      e5657e79caa5722ac87a0b933f9a22d4b4844f71

    • SHA256

      042767e0fa4fa7fe964a771a9d743ebb740d4f9a1e59609c704f51958310b1ff

    • SHA512

      69b6ed09d38a85bef70ff52e7833d060163c0b6bddd271d81f801a99513da2985d5d25dcb971b57b00504053b93068e5921142abb13ed05c33e1e1d5c4841c78

    • SSDEEP

      196608:C0bq45mXYPrOLaw1ZiRaKUhi9TQvtzEXPg7V8/TLZ5:/bq4oojOLahUhi9z/PTLr

    Score
    10/10
    remcosremotehostevasionrattrojan

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks