Overview

overview

10

Static

static

3

b83976f2fb...66.exe

windows10-2004-x64

10

b83976f2fb...66.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.bin
  • Size 5.0MB
  • Sample260809-mtklkswekc
  • SHA256 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigdefense_evasionexecutionminerpersistence

Malware Config

Targets

    • Target
      b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.bin
    • Size 5.0MB
    • SHA256 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionexecutionxmrigminerpersistence

    • Family: xmrig

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

      minerxmrig

    • Modifies security service

      defense_evasion

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Server Software Component: Terminal Services DLL

      persistence

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Creates new service(s)

      persistenceexecution

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

      miner

    • Deletes itself

    • Disables service(s)

      defense_evasionexecution

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • 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

    • Drops file in System32 directory

    • 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

System Services

3
T1569

Service Execution

3
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

5
T1543

Windows Service

5
T1543.003

Power Settings

1
T1653

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

5
T1543

Windows Service

5
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

2
T1489

Tasks