Overview

overview

10

Static

static

1

P.O.109961.xls

windows7-x64

10

P.O.109961.xls

windows10-2004-x64

1

Sharing

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General

  • Target

    P.O.109961.xls

  • Size

    318KB

  • Sample

    240416-sylmbsfb9w

  • MD5

    2244bc077c05fd2f5a67fa7ef72559ff

  • SHA1

    a5e42c663a4eaf0468b903ca7aa1f264edba32fc

  • SHA256

    5d09b001c18384a9d5e8b31b9c4ee5ed77082e0a9b8783c34b3916b1534d2c21

  • SHA512

    361d5c5bded8994c672a3a40b0e959cae6c7e9f24a279ba663b968b9f8fc1d0332c2aef3df921d4148c9da0e3101090e012f45b72859f5e609b9efb46c3fbd08

  • SSDEEP

    6144:FuunJRXmY35qAOJl/YrLYz+WrNhZF+E+fgL+0dD8ivSbVM9MI248sD69qlDl5bpI:FvJRX/3bVM9MI5N64lDjihGu

Score
10/10
remcosremotehostcollectionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

nomoreremcos.duckdns.org:14645

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-2DQRZG

  • 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

      P.O.109961.xls

    • Size

      318KB

    • MD5

      2244bc077c05fd2f5a67fa7ef72559ff

    • SHA1

      a5e42c663a4eaf0468b903ca7aa1f264edba32fc

    • SHA256

      5d09b001c18384a9d5e8b31b9c4ee5ed77082e0a9b8783c34b3916b1534d2c21

    • SHA512

      361d5c5bded8994c672a3a40b0e959cae6c7e9f24a279ba663b968b9f8fc1d0332c2aef3df921d4148c9da0e3101090e012f45b72859f5e609b9efb46c3fbd08

    • SSDEEP

      6144:FuunJRXmY35qAOJl/YrLYz+WrNhZF+E+fgL+0dD8ivSbVM9MI248sD69qlDl5bpI:FvJRX/3bVM9MI5N64lDjihGu

    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

    • Abuses OpenXML format to download file from external location

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

3
T1082

Query Registry

3
T1012

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks