Overview

overview

10

Static

static

10

Spragmos.ps1

windows7-x64

3

Spragmos.ps1

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Spragmos.ps1

  • Size

    34KB

  • Sample

    250330-wj28bawkx3

  • MD5

    1ff55d58db5098bc348b64c56f7e5275

  • SHA1

    042a98b432daff9e99a5af37e748b4b2d66ee763

  • SHA256

    bbcfe2f3c7c1253bc2fea8f858cf887b36c363ed90a3160b6cf19ee2b5a9acbd

  • SHA512

    8e7a5dc1d9d642e0370f778efc57e378bf29d4140414fe5f4ce85345202e6e5cd397aeab1376ab3887da1abce5d72ca2b4b7fe4a35afb1637ffbd890435b0f58

  • SSDEEP

    384:tqz/spUBSzj5mMEEpi0D04eEMls/11AUfoUHadPw3+4CFYw5jICfyQY:kM5mME00xEbrl6Bq+409I9QY

Score
10/10
defense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target

      Spragmos.ps1

    • Size

      34KB

    • MD5

      1ff55d58db5098bc348b64c56f7e5275

    • SHA1

      042a98b432daff9e99a5af37e748b4b2d66ee763

    • SHA256

      bbcfe2f3c7c1253bc2fea8f858cf887b36c363ed90a3160b6cf19ee2b5a9acbd

    • SHA512

      8e7a5dc1d9d642e0370f778efc57e378bf29d4140414fe5f4ce85345202e6e5cd397aeab1376ab3887da1abce5d72ca2b4b7fe4a35afb1637ffbd890435b0f58

    • SSDEEP

      384:tqz/spUBSzj5mMEEpi0D04eEMls/11AUfoUHadPw3+4CFYw5jICfyQY:kM5mME00xEbrl6Bq+409I9QY

    Score
    10/10
    executiondefense_evasiondiscoveryimpactpersistenceprivilege_escalationransomware

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies WinLogon for persistence

      persistence

    • Clears Windows event logs

      defense_evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Adds Run key to start application

      persistence

    • Hide Artifacts: Hidden Window

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

      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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Power Settings

1
T1653

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Direct Volume Access

1
T1006

Hide Artifacts

1
T1564

Hidden Window

1
T1564.003

Indicator Removal

3
T1070

Clear Windows Event Logs

1
T1070.001

File Deletion

2
T1070.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks