Overview

overview

10

Static

static

1

386106.rtf

windows7-x64

10

386106.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    386106

  • Size

    69KB

  • Sample

    240305-lnj77abg4w

  • MD5

    59db61201acc8d3ba969567066985b20

  • SHA1

    a76cf1a0546cc1afd7d00ccc5df3939f287e8f95

  • SHA256

    83082b3658df1576b1cd33ad7d6950377be5c86fa3806276a9f4ee18cb036194

  • SHA512

    054caca6a0b6edf05b35207d38a89afb8f3e8092cfd8b8b90db8a73e6b6a2e8244530a592be358abdf58ac2e8e012b67256da02509fe496c3fef9f0e86e7985c

  • SSDEEP

    1536:zGkkyH1Bnu2qmz3bRt5kyhyHuBk+ATOhlNx5b2v6PpNz:zGWH1BXbRDhyKkdOhl52v6PpZ

Score
10/10
remcosremotehostcollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

bedende.duckdns.org:2424

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-S4NKW3

  • 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

      386106

    • Size

      69KB

    • MD5

      59db61201acc8d3ba969567066985b20

    • SHA1

      a76cf1a0546cc1afd7d00ccc5df3939f287e8f95

    • SHA256

      83082b3658df1576b1cd33ad7d6950377be5c86fa3806276a9f4ee18cb036194

    • SHA512

      054caca6a0b6edf05b35207d38a89afb8f3e8092cfd8b8b90db8a73e6b6a2e8244530a592be358abdf58ac2e8e012b67256da02509fe496c3fef9f0e86e7985c

    • SSDEEP

      1536:zGkkyH1Bnu2qmz3bRt5kyhyHuBk+ATOhlNx5b2v6PpNz:zGWH1BXbRDhyKkdOhl52v6PpZ

    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

    • Blocklisted process makes network request

    • 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

    • 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

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

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

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

Resource Development

Reconnaissance

Tasks