Overview

overview

10

Static

static

10

Windows Defender.exe

windows10-2004-x64

8

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Windows Defender.exe

  • Size

    37KB

  • Sample

    240828-maax2awdrn

  • MD5

    28c34462b329ac7b19cac4d88a9e74c9

  • SHA1

    be8d25ae104c5d3f96644bd9c7d080ce11845ea6

  • SHA256

    1f09b41bcae8bf672ec316a74835ca714d25ad6dd34fcddc76499213172c5170

  • SHA512

    8aec349d85b4e50ca0598f8d12a2eb1f41636845957d6f6470b64428a508928ab7f1d9e6e91b15383bfa45d6ab8c3139038c44eb79efa33fd65d2742fe687656

  • SSDEEP

    768:Dkj8nAwJvtPrbAAgC43rM+rMRa8NuUCt:DkwAwJ1DUAmo+gRJNj

Score
10/10
njratboykisserdiscoveryevasionpersistenceprivilege_escalation

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

boykisser

C2

green-morrison.gl.at.ply.gg:8080

Mutex

f1537b79cbf5c68003321af22fe396df

Attributes
  • reg_key

    f1537b79cbf5c68003321af22fe396df

  • splitter

    |'|'|

Targets

    • Target

      Windows Defender.exe

    • Size

      37KB

    • MD5

      28c34462b329ac7b19cac4d88a9e74c9

    • SHA1

      be8d25ae104c5d3f96644bd9c7d080ce11845ea6

    • SHA256

      1f09b41bcae8bf672ec316a74835ca714d25ad6dd34fcddc76499213172c5170

    • SHA512

      8aec349d85b4e50ca0598f8d12a2eb1f41636845957d6f6470b64428a508928ab7f1d9e6e91b15383bfa45d6ab8c3139038c44eb79efa33fd65d2742fe687656

    • SSDEEP

      768:Dkj8nAwJvtPrbAAgC43rM+rMRa8NuUCt:DkwAwJ1DUAmo+gRJNj

    Score
    8/10
    discoveryevasionpersistenceprivilege_escalation

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

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

Netsh Helper DLL

1
T1546.007

Privilege Escalation

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

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks