Overview

overview

10

Static

static

10

dnsbench 2023.exe

windows10-2004-x64

10

dnsbench 2023.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    dnsbench 2023.exe
  • Size 206KB
  • Sample260822-tc6wtawdld
  • SHA256 ab62c85839ed10ba628bfaa53f0c8fae0167524204e86a6bc080bead4d8fc709
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
mofksysadwaredefense_evasiondiscoverypersistenceransomwarespywareworm

Malware Config

Targets

    • Target
      dnsbench 2023.exe
    • Size 206KB
    • SHA256 ab62c85839ed10ba628bfaa53f0c8fae0167524204e86a6bc080bead4d8fc709
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverymofksyspersistencewormadwareransomwarespyware

    • 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

    • Downloads MZ/PE file

    • 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.

    • Probable phishing domain

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Phishing

1
T1566

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

5
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

5
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks