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Overview

overview

10

Static

static

3

ef12eb5be4...2d.exe

windows7-x64

7

ef12eb5be4...2d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef12eb5be4046a8d70e864d3b623bb2d.exe

  • Size

    6.6MB

  • Sample

    250202-ker11atmav

  • MD5

    ef12eb5be4046a8d70e864d3b623bb2d

  • SHA1

    cf28f12a882cd8dfa1b280c2254013a7908d1984

  • SHA256

    e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab

  • SHA512

    89c7b5eb7170c58d80b893cbe4e65556f6b8a640321fe390c8c3acd13e2ae786ea9462a6b1db8342fbc107e1575a7dd84051f2aefd6baf94be360bf818d68d4d

  • SSDEEP

    196608:fGiGxbAQ5owejuJDUX47dwdW0LBTYPERR:+xCaUX47d4xZ

Score
10/10
njrat-defense_evasiondiscoverypersistenceprivilege_escalationpyinstallertrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

-

C2

5.tcp.eu.ngrok.io:15938

Mutex

76f76913a3057d2193e27e6377b7ae49

Attributes
  • reg_key

    76f76913a3057d2193e27e6377b7ae49

  • splitter

    |'|'|

Targets

    • Target

      ef12eb5be4046a8d70e864d3b623bb2d.exe

    • Size

      6.6MB

    • MD5

      ef12eb5be4046a8d70e864d3b623bb2d

    • SHA1

      cf28f12a882cd8dfa1b280c2254013a7908d1984

    • SHA256

      e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab

    • SHA512

      89c7b5eb7170c58d80b893cbe4e65556f6b8a640321fe390c8c3acd13e2ae786ea9462a6b1db8342fbc107e1575a7dd84051f2aefd6baf94be360bf818d68d4d

    • SSDEEP

      196608:fGiGxbAQ5owejuJDUX47dwdW0LBTYPERR:+xCaUX47d4xZ

    Score
    10/10
    njrat-defense_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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    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

Web Service

1
T1102

Exfiltration

Impact

Tasks