Overview

overview

10

Static

static

1

Purchase O...59.xls

windows7-x64

10

Purchase O...59.xls

windows10-2004-x64

1

Sharing

Copy URL
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General

  • Target

    Purchase Order # PO-00159.xla

  • Size

    159KB

  • Sample

    240523-j9ztnaaf7x

  • MD5

    a2e27ccfd115281542473a2a75817b7b

  • SHA1

    6fe6c950003d0d574741d68dcaad6f19e76a296e

  • SHA256

    405173d3f4b78123bdb8d7d14009fe634d7ad45294032b94690836702f2216c7

  • SHA512

    7f11bf14f0ed1d935fd497a74b9738f83bd5c23f0f6774210fcc4b73a8a93dbbc01d113437b55bc6a79c423bdb283410d3a56f57df44a9e0a4d738a9b1b47f32

  • SSDEEP

    3072:r8tq3KR9pLmLXCxpFNUXU5VQXrNAoboOSIPwGatXiQjnpFDJAtJIH8:r6NCLXCnrUXAVQZA0dRYBr9k

Score
10/10
remcosremotehostcollectionexecutionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

2024remcmon.duckdns.org:14645

newlinkforconnect.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-YE1Z5P

  • 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

      Purchase Order # PO-00159.xla

    • Size

      159KB

    • MD5

      a2e27ccfd115281542473a2a75817b7b

    • SHA1

      6fe6c950003d0d574741d68dcaad6f19e76a296e

    • SHA256

      405173d3f4b78123bdb8d7d14009fe634d7ad45294032b94690836702f2216c7

    • SHA512

      7f11bf14f0ed1d935fd497a74b9738f83bd5c23f0f6774210fcc4b73a8a93dbbc01d113437b55bc6a79c423bdb283410d3a56f57df44a9e0a4d738a9b1b47f32

    • SSDEEP

      3072:r8tq3KR9pLmLXCxpFNUXU5VQXrNAoboOSIPwGatXiQjnpFDJAtJIH8:r6NCLXCnrUXAVQZA0dRYBr9k

    Score
    10/10
    remcosremotehostcollectionexecutionpersistenceratspywarestealer

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • 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

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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

Query Registry

3
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks