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.

RainyDay

RainyDay is a backdoor tool that has been used by Naikon since at least 2020.(Citation: Bitdefender Naikon April 2021)
ID: S0629
Type: MALWARE
Platforms: Windows
Version: 1.1
Created: 29 Jun 2021
Last Modified: 11 Apr 2024

Techniques Used

Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

RainyDay can use HTTP in C2 communications.(Citation: Bitdefender Naikon April 2021)

Enterprise T1059 .003 Command and Scripting Interpreter: Windows Command Shell

RainyDay can use the Windows Command Shell for execution.(Citation: Bitdefender Naikon April 2021)

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

RainyDay can use services to establish persistence.(Citation: Bitdefender Naikon April 2021)

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

RainyDay can use tools to collect credentials from web browsers.(Citation: Bitdefender Naikon April 2021)

.004 Credentials from Password Stores: Windows Credential Manager

RainyDay can use the QuarksPwDump tool to obtain local passwords and domain cached credentials.(Citation: Bitdefender Naikon April 2021)

Enterprise T1074 .001 Data Staged: Local Data Staging

RainyDay can use a file exfiltration tool to copy files to C:\ProgramData\Adobe\temp prior to exfiltration.(Citation: Bitdefender Naikon April 2021)

Enterprise T1573 .001 Encrypted Channel: Symmetric Cryptography

RainyDay can use RC4 to encrypt C2 communications.(Citation: Bitdefender Naikon April 2021)

Enterprise T1567 .002 Exfiltration Over Web Service: Exfiltration to Cloud Storage

RainyDay can use a file exfiltration tool to upload specific files to Dropbox.(Citation: Bitdefender Naikon April 2021)

Enterprise T1574 .002 Hijack Execution Flow: DLL Side-Loading

RainyDay can use side-loading to run malicious executables.(Citation: Bitdefender Naikon April 2021)

Enterprise T1070 .004 Indicator Removal: File Deletion

RainyDay has the ability to uninstall itself by deleting its service and files.(Citation: Bitdefender Naikon April 2021)

Enterprise T1036 .004 Masquerading: Masquerade Task or Service

RainyDay has named services and scheduled tasks to appear benign including "ChromeCheck" and "googleupdate."(Citation: Bitdefender Naikon April 2021)

.005 Masquerading: Match Legitimate Name or Location

RainyDay has used names to mimic legitimate software including "vmtoolsd.exe" to spoof Vmtools.(Citation: Bitdefender Naikon April 2021)

Enterprise T1027 .013 Obfuscated Files or Information: Encrypted/Encoded File

RainyDay has downloaded as a XOR-encrypted payload.(Citation: Bitdefender Naikon April 2021)

Enterprise T1053 .005 Scheduled Task/Job: Scheduled Task

RainyDay can use scheduled tasks to achieve persistence.(Citation: Bitdefender Naikon April 2021)

Groups That Use This Software

ID Name References
G0019 Naikon

(Citation: Bitdefender Naikon April 2021)

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