Cервис управления информационной безопасностью
Cервис управления информационной безопасностью
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MITRE ATT&CK - Инструмент Emotet
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Emotet
Куда я попал?
SECURITM это SGRC система, ? автоматизирующая процессы в службах информационной безопасности. SECURITM помогает построить и управлять ИСПДн, КИИ, ГИС, СМИБ/СУИБ, банковскими системами защиты.
А еще SECURITM это место для обмена опытом и наработками для служб безопасности.
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Emotet

Emotet is a modular malware variant which is primarily used as a downloader for other malware variants such as TrickBot and IcedID. Emotet first emerged in June 2014 and has been primarily used to target the banking sector. (Citation: Trend Micro Banking Malware Jan 2019)
ID: S0367
Associated Software: Geodo
Type: MALWARE
Platforms: Windows
Version: 1.3
Created: 25 Mar 2019
Last Modified: 24 Nov 2020

Associated Software Descriptions
Name Description
Geodo (Citation: Trend Micro Emotet Jan 2019)

Techniques Used
Domain ID Name Use
Enterprise T1087 .003 Account Discovery: Email Account

Emotet has been observed leveraging a module that can scrape email addresses from Outlook.(Citation: CIS Emotet Dec 2018)(Citation: IBM IcedID November 2017)
Enterprise T1547 .001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

Emotet has been observed adding the downloaded payload to the HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run key to maintain persistence.(Citation: Symantec Emotet Jul 2018)(Citation: US-CERT Emotet Jul 2018)(Citation: Picus Emotet Dec 2018)
Enterprise T1110 .001 Brute Force: Password Guessing

Emotet has been observed using a hard coded list of passwords to brute force user accounts. (Citation: Malwarebytes Emotet Dec 2017)(Citation: Symantec Emotet Jul 2018)(Citation: US-CERT Emotet Jul 2018)(Citation: Secureworks Emotet Nov 2018)(Citation: CIS Emotet Dec 2018)

Enterprise T1059 .001 Command and Scripting Interpreter: PowerShell

Emotet has used Powershell to retrieve the malicious payload and download additional resources like Mimikatz. (Citation: Symantec Emotet Jul 2018)(Citation: Trend Micro Emotet Jan 2019)(Citation: Picus Emotet Dec 2018)(Citation: Red Canary Emotet Feb 2019)(Citation: Carbon Black Emotet Apr 2019)
.003 Command and Scripting Interpreter: Windows Command Shell

Emotet has used cmd.exe to run a PowerShell script. (Citation: Picus Emotet Dec 2018)

.005 Command and Scripting Interpreter: Visual Basic

Emotet has sent Microsoft Word documents with embedded macros that will invoke scripts to download additional payloads. (Citation: Symantec Emotet Jul 2018)(Citation: Talos Emotet Jan 2019)(Citation: Trend Micro Emotet Jan 2019)(Citation: Picus Emotet Dec 2018)(Citation: Carbon Black Emotet Apr 2019)

Enterprise T1543 .003 Create or Modify System Process: Windows Service

Emotet has been observed creating new services to maintain persistence. (Citation: US-CERT Emotet Jul 2018)(Citation: Secureworks Emotet Nov 2018)

Enterprise T1555 .003 Credentials from Password Stores: Credentials from Web Browsers

Emotet has been observed dropping browser password grabber modules. (Citation: Trend Micro Emotet Jan 2019)(Citation: IBM IcedID November 2017)
Enterprise T1114 .001 Email Collection: Local Email Collection

Emotet has been observed leveraging a module that scrapes email data from Outlook.(Citation: CIS Emotet Dec 2018)
Enterprise T1573 .002 Encrypted Channel: Asymmetric Cryptography

Emotet is known to use RSA keys for encrypting C2 traffic. (Citation: Trend Micro Emotet Jan 2019)
Enterprise T1003 .001 OS Credential Dumping: LSASS Memory

Emotet has been observed dropping password grabber modules including Mimikatz. (Citation: Trend Micro Emotet Jan 2019)
Enterprise T1027 .002 Obfuscated Files or Information: Software Packing

Emotet has used custom packers to protect its payloads.(Citation: Trend Micro Emotet Jan 2019)
Enterprise T1566 .001 Phishing: Spearphishing Attachment

Emotet has been delivered by phishing emails containing attachments. (Citation: CIS Emotet Apr 2017)(Citation: Malwarebytes Emotet Dec 2017)(Citation: Symantec Emotet Jul 2018)(Citation: US-CERT Emotet Jul 2018)(Citation: Talos Emotet Jan 2019)(Citation: Trend Micro Emotet Jan 2019)(Citation: Picus Emotet Dec 2018)(Citation: Carbon Black Emotet Apr 2019)(Citation: IBM IcedID November 2017)
.002 Phishing: Spearphishing Link

Emotet has been delivered by phishing emails containing links. (Citation: Trend Micro Banking Malware Jan 2019)(Citation: Kaspersky Emotet Jan 2019)(Citation: CIS Emotet Apr 2017)(Citation: Malwarebytes Emotet Dec 2017)(Citation: Symantec Emotet Jul 2018)(Citation: US-CERT Emotet Jul 2018)(Citation: Talos Emotet Jan 2019)(Citation: Talos Emotet Jan 2019)(Citation: Picus Emotet Dec 2018)

Enterprise T1055 .001 Process Injection: Dynamic-link Library Injection

Emotet has been observed injecting in to Explorer.exe and other processes. (Citation: Picus Emotet Dec 2018)(Citation: Trend Micro Banking Malware Jan 2019)(Citation: US-CERT Emotet Jul 2018)
Enterprise T1021 .002 Remote Services: SMB/Windows Admin Shares

Emotet leverages the Admin$ share for lateral movement once the local admin password has been brute forced. (Citation: Malwarebytes Emotet Dec 2017)

Enterprise T1053 .005 Scheduled Task/Job: Scheduled Task

Emotet has maintained persistence through a scheduled task. (Citation: US-CERT Emotet Jul 2018)
Enterprise T1552 .001 Unsecured Credentials: Credentials In Files

Emotet has been observed leveraging a module that retrieves passwords stored on a system for the current logged-on user. (Citation: US-CERT Emotet Jul 2018)(Citation: CIS Emotet Dec 2018)
Enterprise T1204 .001 User Execution: Malicious Link

Emotet has relied upon users clicking on a malicious link delivered through spearphishing.(Citation: Trend Micro Banking Malware Jan 2019)(Citation: Carbon Black Emotet Apr 2019)
.002 User Execution: Malicious File

Emotet has relied upon users clicking on a malicious attachment delivered through spearphishing.(Citation: Trend Micro Banking Malware Jan 2019)(Citation: Carbon Black Emotet Apr 2019)(Citation: IBM IcedID November 2017)

Enterprise T1078 .003 Valid Accounts: Local Accounts

Emotet can brute force a local admin password, then use it to facilitate lateral movement.(Citation: Malwarebytes Emotet Dec 2017)

Groups That Use This Software
ID Name References
G0102 Wizard Spider

(Citation: CrowdStrike Grim Spider May 2019) (Citation: Sophos New Ryuk Attack October 2020)

References

  1. CIS. (2017, April 28). Emotet Changes TTPs and Arrives in United States. Retrieved January 17, 2019.
  2. Brumaghin, E.. (2019, January 15). Emotet re-emerges after the holidays. Retrieved March 25, 2019.
  3. Trend Micro. (2019, January 16). Exploring Emotet's Activities . Retrieved March 25, 2019.
  4. Lee, S.. (2019, April 24). Emotet Using WMI to Launch PowerShell Encoded Code. Retrieved May 24, 2019.
  5. Salvio, J.. (2014, June 27). New Banking Malware Uses Network Sniffing for Data Theft. Retrieved March 25, 2019.
  6. Shulmin, A. . (2015, April 9). The Banking Trojan Emotet: Detailed Analysis. Retrieved March 25, 2019.
  7. Smith, A.. (2017, December 22). Protect your network from Emotet Trojan with Malwarebytes Endpoint Security. Retrieved January 17, 2019.
  8. Symantec. (2018, July 18). The Evolution of Emotet: From Banking Trojan to Threat Distributor. Retrieved March 25, 2019.
  9. US-CERT. (2018, July 20). Alert (TA18-201A) Emotet Malware. Retrieved March 25, 2019.
  10. ESET . (2018, November 9). Emotet launches major new spam campaign. Retrieved March 25, 2019.
  11. Mclellan, M.. (2018, November 19). Lazy Passwords Become Rocket Fuel for Emotet SMB Spreader. Retrieved March 25, 2019.
  12. CIS. (2018, December 12). MS-ISAC Security Primer- Emotet. Retrieved March 25, 2019.
  13. Özarslan, S. (2018, December 21). The Christmas Card you never wanted - A new wave of Emotet is back to wreak havoc. Retrieved March 25, 2019.
  14. Donohue, B.. (2019, February 13). https://redcanary.com/blog/stopping-emotet-before-it-moves-laterally/. Retrieved March 25, 2019.
  15. Xiaopeng Zhang. (2017, May 3). Deep Analysis of New Emotet Variant – Part 1. Retrieved April 1, 2019.
  16. Brandt, A.. (2019, May 5). Emotet 101, stage 4: command and control. Retrieved April 16, 2019.
  17. Manea, D.. (2019, May 25). Emotet v4 Analysis. Retrieved April 16, 2019.
  18. Kessem, L., et al. (2017, November 13). New Banking Trojan IcedID Discovered by IBM X-Force Research. Retrieved July 14, 2020.
  19. Perez, D.. (2018, December 28). Analysis of the latest Emotet propagation campaign. Retrieved April 16, 2019.
  20. John, E. and Carvey, H. (2019, May 30). Unraveling the Spiderweb: Timelining ATT&CK Artifacts Used by GRIM SPIDER. Retrieved May 12, 2020.
  21. Sean Gallagher, Peter Mackenzie, Elida Leite, Syed Shahram, Bill Kearney, Anand Aijan, Sivagnanam Gn, Suraj Mundalik. (2020, October 14). They’re back: inside a new Ryuk ransomware attack. Retrieved October 14, 2020.
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