Overview

overview

10

Static

static

10

Windows Defender.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    Windows Defender.exe

  • Size

    37KB

  • Sample

    240828-mbbwqavape

  • MD5

    f183956bfef428d2010b67e7cf5fdb7f

  • SHA1

    0b3bd6da13ef9394da1cb11152f2ce62873ae165

  • SHA256

    87a799098b81bf8dd35f62c3f40e6a5ba73adb7d551446ba36c4e37a8ab46431

  • SHA512

    57fa6282fa518cb66185eb1fa62ac49489b03aa1df5c2c241398c300ffed929e0843ce1199b9184236359b5bad8ec2a610847ee69087deb2a0b6719ea15889ef

  • SSDEEP

    384:z6Rrkam6i/Cz3xAdjYWaSyFz1YXnC8W4Lt6rAF+rMRTyN/0L+EcoinblneHQM3eU:OfaC6mNhFz1Yyd4ErM+rMRa8Nuhit

Score
10/10
njratboykisserdiscoveryevasionpersistenceprivilege_escalation

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

boykisser

C2

green-morrison.gl.at.ply.gg:17455

Mutex

d83001e08eed9b05d072435f5ca1e81c

Attributes
  • reg_key

    d83001e08eed9b05d072435f5ca1e81c

  • splitter

    |'|'|

Targets

    • Target

      Windows Defender.exe

    • Size

      37KB

    • MD5

      f183956bfef428d2010b67e7cf5fdb7f

    • SHA1

      0b3bd6da13ef9394da1cb11152f2ce62873ae165

    • SHA256

      87a799098b81bf8dd35f62c3f40e6a5ba73adb7d551446ba36c4e37a8ab46431

    • SHA512

      57fa6282fa518cb66185eb1fa62ac49489b03aa1df5c2c241398c300ffed929e0843ce1199b9184236359b5bad8ec2a610847ee69087deb2a0b6719ea15889ef

    • SSDEEP

      384:z6Rrkam6i/Cz3xAdjYWaSyFz1YXnC8W4Lt6rAF+rMRTyN/0L+EcoinblneHQM3eU:OfaC6mNhFz1Yyd4ErM+rMRa8Nuhit

    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