Overview

overview

10

Static

static

3

WinCache.exe

windows10-2004-x64

10

WinCache.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    WinCache.exe
  • Size 10.7MB
  • Sample260819-pcfbmsap4x
  • SHA256 86f2102b23d572c9e9a3a8bad6087662b90e7543896a5b9f706c15ccca8d5792
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigadwaredefense_evasionexecutionminerpersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target
      WinCache.exe
    • Size 10.7MB
    • SHA256 86f2102b23d572c9e9a3a8bad6087662b90e7543896a5b9f706c15ccca8d5792
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionexecutionxmrigminerpersistencetrojanadwareransomwarespyware

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • XMRig Miner payload

      miner

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks