Overview

overview

10

Static

static

10

PS MARILN ...s.docx

windows7-x64

10

PS MARILN ...s.docx

windows10-2004-x64

1

Sharing

Copy URL
Twitter E-mail

General

  • Target

    PS MARILN JACKET S.8 and Sticker Series.docx

  • Size

    10KB

  • Sample

    230502-lk9zfacc91

  • MD5

    fae941100b007533cd7aead9a7155603

  • SHA1

    6a434f5d9519417dfb2b408d105a7b5a04a1e8fb

  • SHA256

    453e835fcebe5695f7d314712666c6541195decf8ebcb105448daab986b07370

  • SHA512

    2920036a5fcd378b85d654a4b0d968b22489d02ae8bde8bd7b2bdd089555325e00d3fa68f4fb8f7e2e554ef364d354a98a864044f24fada6eb8add3217932ff3

  • SSDEEP

    192:ScIMmtPYqPC7UpG/bkpbJNONtrdlJFtGxV3rY0u:SPXgqPCfIJNONtjJFtGxxrYv

Score
10/10
remcosfirst god lovecollectionratwebsettings

Malware Config

Extracted

Rule
Microsoft Office WebSettings Relationship
C2

http://%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23EXXXIIXXIXIXIXIZXIXXIZIXISSIDIDSIXIXIXIXSZXXIIXZIXIZIXIIXZIIXIZIXIXIIXXIIXSISXIXISI@392089164/3/4/%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23.doc

Extracted

Family

remcos

Botnet

First God LOVE

C2

yousbresde.ddns.net:31895

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-J6TVLD

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      PS MARILN JACKET S.8 and Sticker Series.docx

    • Size

      10KB

    • MD5

      fae941100b007533cd7aead9a7155603

    • SHA1

      6a434f5d9519417dfb2b408d105a7b5a04a1e8fb

    • SHA256

      453e835fcebe5695f7d314712666c6541195decf8ebcb105448daab986b07370

    • SHA512

      2920036a5fcd378b85d654a4b0d968b22489d02ae8bde8bd7b2bdd089555325e00d3fa68f4fb8f7e2e554ef364d354a98a864044f24fada6eb8add3217932ff3

    • SSDEEP

      192:ScIMmtPYqPC7UpG/bkpbJNONtrdlJFtGxV3rY0u:SPXgqPCfIJNONtjJFtGxxrYv

    Score
    10/10
    remcosfirst god lovecollectionrat

    • 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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks