Overview

overview

10

Static

static

3

Install_28n004.msi

windows10-2004-x64

7

Install_28n004.msi

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    81b88b1b8b1cd5fd802837503f4271b970897e1adf6250162399d73cf7b0b021
  • Size 7.5MB
  • Sample260728-wkcn2stscy
  • SHA256 81b88b1b8b1cd5fd802837503f4271b970897e1adf6250162399d73cf7b0b021
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutionpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target
      Install_28n004.msi
    • Size 7.7MB
    • SHA256 252afc41e062d5c099a35cbf2c985b179d1cd2486f5acfe76b7938896a678427
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    persistenceprivilege_escalationransomwaredefense_evasionexecutiontrojan

    • Windows security bypass

      defense_evasiontrojan

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Enumerates connected drives

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

    • Indicator Removal: Clear Persistence

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

      defense_evasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Installer Packages

1
T1546.016

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Installer Packages

1
T1546.016

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Modify Registry

2
T1112

System Binary Proxy Execution

1
T1218

Msiexec

1
T1218.007

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks