Overview

overview

10

Static

static

3

KO98765456700.exe

windows7-x64

10

KO98765456700.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    KO98765456700.bat

  • Size

    588KB

  • Sample

    231208-mgcefaaf42

  • MD5

    48a8c7c04787860d0b433581a404ba34

  • SHA1

    1c675b13fa28944232ec919b458c7da4a2bd43b2

  • SHA256

    27d2d0578f8c2ef2ed8055dfc2594af414222a0914e2740a0c12adb9db424e9d

  • SHA512

    b8d45391b6f0c3d6d1da61d2dc964e60925133cfca7f840cb9753f257494f5fa16997b91295fb26e5e216291702b712efd2fbbce7b52186c63222546612cfe4c

  • SSDEEP

    12288:BxL8DKn1sgl+4gXGMz4hQHjAl7ZEs7SroJZucXou:BhMKnv+Z2MEhQ8ldMUucX/

Score
10/10
remcosremotehostcollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

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-IZFV1M

  • 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

      KO98765456700.bat

    • Size

      588KB

    • MD5

      48a8c7c04787860d0b433581a404ba34

    • SHA1

      1c675b13fa28944232ec919b458c7da4a2bd43b2

    • SHA256

      27d2d0578f8c2ef2ed8055dfc2594af414222a0914e2740a0c12adb9db424e9d

    • SHA512

      b8d45391b6f0c3d6d1da61d2dc964e60925133cfca7f840cb9753f257494f5fa16997b91295fb26e5e216291702b712efd2fbbce7b52186c63222546612cfe4c

    • SSDEEP

      12288:BxL8DKn1sgl+4gXGMz4hQHjAl7ZEs7SroJZucXou:BhMKnv+Z2MEhQ8ldMUucX/

    Score
    10/10
    remcosremotehostcollectionpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks