Overview

overview

10

Static

static

10

Lammer.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    Lammer.exe

  • Size

    23KB

  • Sample

    250122-svq3mssnhw

  • MD5

    4dce52dbc5ba59345d903b75dc4f5744

  • SHA1

    2a60662589763af37112be6f6a106e0cdf9e1ef1

  • SHA256

    d363d69f8947b9f5bf764be843fac0fff046bfad8fc11ca742cdf154580af3ec

  • SHA512

    c64dc39aeae9a1dcedf9e92528cf5559dd5c8c0ba371e4440306cd475bb0188e94e5c29dfc0f2dfd6a80b0eacb4c27fecf6ead2cab976b64515023a227a3dcdf

  • SSDEEP

    384:7QeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZEfk:85yBVd7Rpcnuxk

Score
10/10
njratlammerdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

station-gps.gl.at.ply.gg:1609

Mutex

4bb89cc54f6ee116b30b245f35856c5a

Attributes
  • reg_key

    4bb89cc54f6ee116b30b245f35856c5a

  • splitter

    |'|'|

Targets

    • Target

      Lammer.exe

    • Size

      23KB

    • MD5

      4dce52dbc5ba59345d903b75dc4f5744

    • SHA1

      2a60662589763af37112be6f6a106e0cdf9e1ef1

    • SHA256

      d363d69f8947b9f5bf764be843fac0fff046bfad8fc11ca742cdf154580af3ec

    • SHA512

      c64dc39aeae9a1dcedf9e92528cf5559dd5c8c0ba371e4440306cd475bb0188e94e5c29dfc0f2dfd6a80b0eacb4c27fecf6ead2cab976b64515023a227a3dcdf

    • SSDEEP

      384:7QeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZEfk:85yBVd7Rpcnuxk

    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

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