Overview

overview

10

Static

static

10

lmlmdos.exe

windows11-21h2-x64

10

lmlmdos.exe

windows7-x64

10

lmlmdos.exe

windows10-2004-x64

10

lmlmdos.exe

windows10-ltsc 2021-x64

10

lmlmdos.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    lmlmdos.exe

  • Size

    23KB

  • Sample

    250208-j618bawkbm

  • MD5

    5eb67cac2f9ef8a548ba327896909cda

  • SHA1

    b8f3612f2d00c581387b02a615ad178874b51329

  • SHA256

    f5c542679e18756fcaaf434a1df9ecee261c8fa6788b75dc64c458e4eef15f2d

  • SHA512

    40665518a5451f7bd86ca1e3ad58cec178566c0f45fde647e76c2bb8d81611ca61fe1974cb97988065239005ca63fc9de0c449d45357ee90a8a99ccd30a5415f

  • SSDEEP

    384:XweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZQy:oLq411eRpcnuI

Score
10/10
njrathackeddefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

3skr.uncofig.com:9999

Mutex

052a8691abcf06ff30b5f4c68922a91f

Attributes
  • reg_key

    052a8691abcf06ff30b5f4c68922a91f

  • splitter

    |'|'|

Targets

    • Target

      lmlmdos.exe

    • Size

      23KB

    • MD5

      5eb67cac2f9ef8a548ba327896909cda

    • SHA1

      b8f3612f2d00c581387b02a615ad178874b51329

    • SHA256

      f5c542679e18756fcaaf434a1df9ecee261c8fa6788b75dc64c458e4eef15f2d

    • SHA512

      40665518a5451f7bd86ca1e3ad58cec178566c0f45fde647e76c2bb8d81611ca61fe1974cb97988065239005ca63fc9de0c449d45357ee90a8a99ccd30a5415f

    • SSDEEP

      384:XweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZQy:oLq411eRpcnuI

    Score
    10/10
    njratdefense_evasiondiscoverypersistenceprivilege_escalationtrojanhacked

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2behavioral3behavioral4behavioral5

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks