Overview

overview

10

Static

static

10

6e815a0305...27.exe

windows7-x64

10

6e815a0305...27.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6e815a0305b3151a23e1619e617d95f34be383b0837971b7f9e410999be6c427.exe

  • Size

    23KB

  • Sample

    241218-h88vhazrfn

  • MD5

    89e3b86bf3dc88f3bf9ec1fbe15a565b

  • SHA1

    1c76abe6f0a1fe99cb5f07ef8a6eab01d78182cf

  • SHA256

    6e815a0305b3151a23e1619e617d95f34be383b0837971b7f9e410999be6c427

  • SHA512

    fb8dc60c5999b3ae005498406e5c0c459f02d3f5efe28d18da8e2a93fd7ee3d9abd6d9815a775fd115ea8b767d03420aa467eeff7f590cba30f0a3db9801326b

  • SSDEEP

    384:ZMKyOkBkRbohza8yuTUt7u06zgV4a5pzomRvR6JZlbw8hqIusZzZr3rv:y/YI1T0RpcnuArv

Score
10/10
njratkakadiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

kaka

C2

chakala.no-ip.biz:5552

Mutex

4c7549b66a934af47e80f87411139e0a

Attributes
  • reg_key

    4c7549b66a934af47e80f87411139e0a

  • splitter

    |'|'|

Targets

    • Target

      6e815a0305b3151a23e1619e617d95f34be383b0837971b7f9e410999be6c427.exe

    • Size

      23KB

    • MD5

      89e3b86bf3dc88f3bf9ec1fbe15a565b

    • SHA1

      1c76abe6f0a1fe99cb5f07ef8a6eab01d78182cf

    • SHA256

      6e815a0305b3151a23e1619e617d95f34be383b0837971b7f9e410999be6c427

    • SHA512

      fb8dc60c5999b3ae005498406e5c0c459f02d3f5efe28d18da8e2a93fd7ee3d9abd6d9815a775fd115ea8b767d03420aa467eeff7f590cba30f0a3db9801326b

    • SSDEEP

      384:ZMKyOkBkRbohza8yuTUt7u06zgV4a5pzomRvR6JZlbw8hqIusZzZr3rv:y/YI1T0RpcnuArv

    Score
    10/10
    njratkakadiscoveryevasionpersistenceprivilege_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