Overview

overview

10

Static

static

10

Lammer.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Lammer.exe

  • Size

    23KB

  • Sample

    250122-pkc69awlgt

  • MD5

    a243b07b76f9c3a6e48cd979b9810ffb

  • SHA1

    05b3f0104e0e21292a03caca19dddaccf09f4197

  • SHA256

    1a7705e4ee662a1a109036423bda269d1371656c06768e124fe7bd085cf08e09

  • SHA512

    cd3d37b29bbb8683fc45f5203857d6ef72a799b024dfdd10214388013e420f7c4590ae58f51d3b331a14547a3c94e725dbf53ff461f5a09b03942c4f0758bcee

  • SSDEEP

    384:2MK6b2GZsx/Yr1+liORH1kcPFQ6Lg9gSOYRr9mRvR6JZlbw8hqIusZzZXA78:hb9glF51LRpcnuwAw

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

277eeba8e4d607fd5a1ce4ab98deed79

Attributes
  • reg_key

    277eeba8e4d607fd5a1ce4ab98deed79

  • splitter

    |'|'|

Targets

    • Target

      Lammer.exe

    • Size

      23KB

    • MD5

      a243b07b76f9c3a6e48cd979b9810ffb

    • SHA1

      05b3f0104e0e21292a03caca19dddaccf09f4197

    • SHA256

      1a7705e4ee662a1a109036423bda269d1371656c06768e124fe7bd085cf08e09

    • SHA512

      cd3d37b29bbb8683fc45f5203857d6ef72a799b024dfdd10214388013e420f7c4590ae58f51d3b331a14547a3c94e725dbf53ff461f5a09b03942c4f0758bcee

    • SSDEEP

      384:2MK6b2GZsx/Yr1+liORH1kcPFQ6Lg9gSOYRr9mRvR6JZlbw8hqIusZzZXA78:hb9glF51LRpcnuwAw

    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