Overview

overview

10

Static

static

3

2026-07-20...r_.exe

windows10-2004-x64

10

2026-07-20...r_.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-07-20_b27605dcd339e68ad2f5f7270939b2ea_amadey_cobalt-strike_elex_glassworm_icedid_luca-stealer_njrat_smoke-loader_stealc_vidar
  • Size 950KB
  • Sample260720-ne9slaav5w
  • SHA256 986e39c4229ad9a3e7f487385647e19507799cecdfc22648e388b2a32834a26f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
mofksysdefense_evasiondiscoverypersistenceworm

Malware Config

Targets

    • Target
      2026-07-20_b27605dcd339e68ad2f5f7270939b2ea_amadey_cobalt-strike_elex_glassworm_icedid_luca-stealer_njrat_smoke-loader_stealc_vidar
    • Size 950KB
    • SHA256 986e39c4229ad9a3e7f487385647e19507799cecdfc22648e388b2a32834a26f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverymofksyspersistenceworm

    • Detects Mofksys worm

    • Family: Mofksys

      Mofksys is a worm written in VisualBasic.

      wormmofksys

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of hidden/system files in Explorer

      defense_evasion

    • 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

    • Drops file in Drivers directory

    • Sets service image path in registry

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

      persistence

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

5
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks