Overview

overview

10

Static

static

10

Lammer.exe

windows10-ltsc 2021-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Lammer.exe

  • Size

    23KB

  • Sample

    250122-sxdv4atpdk

  • MD5

    cb0624ab1305a34c535bf15fd4406bd3

  • SHA1

    8f54f9ffa00236c6e5ae0fb78c6a2176b9bd0e9d

  • SHA256

    4797fdc9fb7220c98d14a2b5f6e96482dced4ab87626b167548a5e299e902b23

  • SHA512

    8abd776e50c0be4e8375e3c4d78ebece3aedc93c74d895d2dc829dd3dfddb0388bd2a64185066654d094250c3245ddbebe36082c5d698f01893579e690e43e69

  • SSDEEP

    384:nYmdk8XvCJrQLdRGSiEYF7Y65gPyx6BDXNRmRvR6JZlbw8hqIusZzZsS:wwWkti/aeRpcnuE

Score
10/10
njratlammerdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

station-gps.gl.at.ply.gg:26933

Mutex

6fe32c3cda07f1e8b91e22a447ac35bd

Attributes
  • reg_key

    6fe32c3cda07f1e8b91e22a447ac35bd

  • splitter

    |'|'|

Targets

    • Target

      Lammer.exe

    • Size

      23KB

    • MD5

      cb0624ab1305a34c535bf15fd4406bd3

    • SHA1

      8f54f9ffa00236c6e5ae0fb78c6a2176b9bd0e9d

    • SHA256

      4797fdc9fb7220c98d14a2b5f6e96482dced4ab87626b167548a5e299e902b23

    • SHA512

      8abd776e50c0be4e8375e3c4d78ebece3aedc93c74d895d2dc829dd3dfddb0388bd2a64185066654d094250c3245ddbebe36082c5d698f01893579e690e43e69

    • SSDEEP

      384:nYmdk8XvCJrQLdRGSiEYF7Y65gPyx6BDXNRmRvR6JZlbw8hqIusZzZsS:wwWkti/aeRpcnuE

    Score
    10/10
    njratdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • 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

    • Adds Run key to start application

      persistence
    behavioral1

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

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks