Overview

overview

10

Static

static

10

USD23.026,...).docx

windows7-x64

10

USD23.026,...).docx

windows10-2004-x64

1

Sharing

Copy URL
Twitter E-mail

General

  • Target

    USD23.026,90 (Tiller Order).docx

  • Size

    10KB

  • Sample

    230313-n8ffvacc9v

  • MD5

    40fa41596ac736f6e23965c0094bb946

  • SHA1

    c64c3183fb4466cce653d55743d40ff156606754

  • SHA256

    eabdfa7af51b0ad6d49602685f207ce19dfe287dd6cfc808b53fb4e580734f50

  • SHA512

    83e57aa3b75462ffe3fa1481af6e4694050b64074492d4f22ba5b0fedb83087037846d4c6cd7933619405ac7f8bbf803739e3cf640f453e50a9634729f718845

  • SSDEEP

    192:ScIMmtP1aIG/bslPL++uOsAl+CVWBXJC0c3CV:SPXU/slT+LOBHkZC9i

Score
10/10
remcosremotehostcollectionratspywarestealerwebsettings

Malware Config

Extracted

Rule
Microsoft Office WebSettings Relationship
C2

http://ZZZ0000SDFDS0F0000000Z0Z00000000ZZ000000000000W0WW0W0W0W0W0W0W00W0W0W0W00Z0Z0Z0Z0Z0Z00Z0Z0Z00W0W0W00W@2401929236/80................80...................80.doc

Extracted

Family

remcos

Botnet

RemoteHost

C2

vcv.mastercoa.co:8489

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-4IE8MY

  • 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

      USD23.026,90 (Tiller Order).docx

    • Size

      10KB

    • MD5

      40fa41596ac736f6e23965c0094bb946

    • SHA1

      c64c3183fb4466cce653d55743d40ff156606754

    • SHA256

      eabdfa7af51b0ad6d49602685f207ce19dfe287dd6cfc808b53fb4e580734f50

    • SHA512

      83e57aa3b75462ffe3fa1481af6e4694050b64074492d4f22ba5b0fedb83087037846d4c6cd7933619405ac7f8bbf803739e3cf640f453e50a9634729f718845

    • SSDEEP

      192:ScIMmtP1aIG/bslPL++uOsAl+CVWBXJC0c3CV:SPXU/slT+LOBHkZC9i

    Score
    10/10
    remcosremotehostcollectionratspywarestealer

    • 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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • 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

Credentials in Files

1
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks