Overview

overview

10

Static

static

10

58a6647490...fN.exe

windows7-x64

10

58a6647490...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    58a66474908933e642c0b35c117ef9f3d508b2f9f27f41e26ba37e3b5744157fN.exe

  • Size

    23KB

  • Sample

    241127-njtl6s1pfy

  • MD5

    748ef33ecfae05ec3587ed482829c2e0

  • SHA1

    47a39f6bb7552e11f2316aa71749454a4786a107

  • SHA256

    58a66474908933e642c0b35c117ef9f3d508b2f9f27f41e26ba37e3b5744157f

  • SHA512

    cbedb455d7eaad3d0dcccb02fa72534f9c2cf7767ff0ce1aea1c37958c31d983608864b564be94a3571d9400bdf97844b1ecba5a0495fd110bafcf9fecc1a636

  • SSDEEP

    384:jYmdk8XvCJrQLdRGSiEYF7Y65gPyx6BDXNRmRvR6JZlbw8hqIusZzZX4:swWkti/aeRpcnub

Score
10/10
njratlammerdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

nzweb2008-22511.portmap.host:22511

Mutex

334f132010bbc79a6e7c28a01892af18

Attributes
  • reg_key

    334f132010bbc79a6e7c28a01892af18

  • splitter

    |'|'|

Targets

    • Target

      58a66474908933e642c0b35c117ef9f3d508b2f9f27f41e26ba37e3b5744157fN.exe

    • Size

      23KB

    • MD5

      748ef33ecfae05ec3587ed482829c2e0

    • SHA1

      47a39f6bb7552e11f2316aa71749454a4786a107

    • SHA256

      58a66474908933e642c0b35c117ef9f3d508b2f9f27f41e26ba37e3b5744157f

    • SHA512

      cbedb455d7eaad3d0dcccb02fa72534f9c2cf7767ff0ce1aea1c37958c31d983608864b564be94a3571d9400bdf97844b1ecba5a0495fd110bafcf9fecc1a636

    • SSDEEP

      384:jYmdk8XvCJrQLdRGSiEYF7Y65gPyx6BDXNRmRvR6JZlbw8hqIusZzZX4:swWkti/aeRpcnub

    Score
    10/10
    njratlammerdiscoveryevasionpersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      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
    behavioral1behavioral2

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

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