Overview

overview

10

Static

static

10

3c3db3c02a...bf.exe

windows7-x64

10

3c3db3c02a...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3c3db3c02a4d04dcafdc71adb8779b787d31142ffeb9ae0e638f979594897cbf.exe

  • Size

    497KB

  • Sample

    241014-qym42sxhmf

  • MD5

    93be893ff74816c49f2706f222789027

  • SHA1

    80de2a5d57c25794a4a379f592621336465edb32

  • SHA256

    3c3db3c02a4d04dcafdc71adb8779b787d31142ffeb9ae0e638f979594897cbf

  • SHA512

    ce3abd5176e6d36daab4144c434e0ab51ecc7d8b7e772cfc4b0f8843684a80a167c1399e37b2524dbff3d2099e7a20d291f643fb65ff378e9e5ac9dc527499c7

  • SSDEEP

    6144:6gVoyb9e9BhzGcIo6gCJv47raqMFdiksMi9agtuMf9opaiYOmDdnT:Vom47ciTt9agUG9oCOmD

Score
10/10
rhysidacredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      3c3db3c02a4d04dcafdc71adb8779b787d31142ffeb9ae0e638f979594897cbf.exe

    • Size

      497KB

    • MD5

      93be893ff74816c49f2706f222789027

    • SHA1

      80de2a5d57c25794a4a379f592621336465edb32

    • SHA256

      3c3db3c02a4d04dcafdc71adb8779b787d31142ffeb9ae0e638f979594897cbf

    • SHA512

      ce3abd5176e6d36daab4144c434e0ab51ecc7d8b7e772cfc4b0f8843684a80a167c1399e37b2524dbff3d2099e7a20d291f643fb65ff378e9e5ac9dc527499c7

    • SSDEEP

      6144:6gVoyb9e9BhzGcIo6gCJv47raqMFdiksMi9agtuMf9opaiYOmDdnT:Vom47ciTt9agUG9oCOmD

    Score
    10/10
    rhysidacredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

    • Detect Rhysida ransomware

    • Rhysida

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

      ransomwarerhysida

    • Clears Windows event logs

      evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (8183) 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

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