Overview

overview

10

Static

static

10

f6f74e05e2...ab.exe

windows10-2004-x64

10

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General

  • Target

    f6f74e05e24dd2e4e60e5fb50f73fc720ee826a43f2f0056e5b88724fa06fbab.exe

  • Size

    422KB

  • Sample

    250412-qwbcgavrt4

  • MD5

    fbbb2685cb612b25c50c59c1ffa6e654

  • SHA1

    134c25e1b864f14d25e06d29cce0ca0b90968b44

  • SHA256

    f6f74e05e24dd2e4e60e5fb50f73fc720ee826a43f2f0056e5b88724fa06fbab

  • SHA512

    742bc03195939abeedca1f8ab5fe6c2d9b25227c10ee286b8d7b5393b956b68f1683b63ea21b3b1756a3208f9826b525511d216f421118d48bb0c59442ee55b0

  • SSDEEP

    6144:pzOu5u9brOPsosL5wJ8gElIJ/P7xJrMFKtkB3YDHit1w9T:3DUlhsP7/tyIbit2

Score
10/10
rhysidacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      f6f74e05e24dd2e4e60e5fb50f73fc720ee826a43f2f0056e5b88724fa06fbab.exe

    • Size

      422KB

    • MD5

      fbbb2685cb612b25c50c59c1ffa6e654

    • SHA1

      134c25e1b864f14d25e06d29cce0ca0b90968b44

    • SHA256

      f6f74e05e24dd2e4e60e5fb50f73fc720ee826a43f2f0056e5b88724fa06fbab

    • SHA512

      742bc03195939abeedca1f8ab5fe6c2d9b25227c10ee286b8d7b5393b956b68f1683b63ea21b3b1756a3208f9826b525511d216f421118d48bb0c59442ee55b0

    • SSDEEP

      6144:pzOu5u9brOPsosL5wJ8gElIJ/P7xJrMFKtkB3YDHit1w9T:3DUlhsP7/tyIbit2

    Score
    10/10
    rhysidacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • Detect Rhysida ransomware

    • Rhysida

      Rhysida is a ransomware that is written in C++ and discovered in 2023.

      ransomwarerhysida

    • Rhysida family

      rhysida

    • Clears Windows event logs

      defense_evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (9679) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

      defense_evasion

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Windows Management Instrumentation

1
T1047

Persistence

Power Settings

1
T1653

Privilege Escalation

Defense Evasion

Direct Volume Access

1
T1006

Hide Artifacts

1
T1564

Hidden Window

1
T1564.003

Indicator Removal

4
T1070

Clear Persistence

1
T1070.009

Clear Windows Event Logs

1
T1070.001

File Deletion

2
T1070.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Tasks