Overview

overview

10

Static

static

3

deepsk_x64.in.01.exe

windows10-2004-x64

10

deepsk_x64.in.01.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    deepsk_x64.in.01.zip
  • Size 3.7MB
  • Sample261114-pcp6vadv9j
  • SHA256 404693866ece80af5ac7859a52cc42e0afa54dc0ec64a839712bc457683750f8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionexploitpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target
      deepsk_x64.in.01.exe
    • Size 30.8MB
    • SHA256 41930566c669efd149c93091e1cb18c7f9d42b9bc66638354b64d3ada2b955bc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojanexploit
    • Custom signature

      SilverFox-style Panasonic/Sauron loader chain targeting the staged Panasonic wrapper, image-named Al

      SilverFox-style Panasonic/Sauron loader chain with staged loader, Alibaba OSS carrier grammar, side-loaded UxEnhance64.dll, RPC Task Scheduler payload, adoresd bridge, and Sauron Edge stage.

    • UAC 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

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

      exploit

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Disables service(s)

      defense_evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Windows security bypass

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • 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

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Screensaver

1
T1546.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Screensaver

1
T1546.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

File and Directory Permissions Modification

1
T1222

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Modify Registry

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Remote Services

1
T1021

Remote Desktop Protocol

1
T1021.001

Collection

Video Capture

1
T1125

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks