Overview

overview

10

Static

static

3

ee2103a5f8...7N.exe

windows7-x64

3

ee2103a5f8...7N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ee2103a5f8e6314618a8dfafe16185d2542cf9ed2ab7cb172bdcdc3b415a9027N.exe

  • Size

    65KB

  • Sample

    250107-brgalazjfl

  • MD5

    7b6de1f4e80f5f0e56db56f2095ae7a0

  • SHA1

    13ada473813ec380ba5ea8cfac2457a753d88b82

  • SHA256

    ee2103a5f8e6314618a8dfafe16185d2542cf9ed2ab7cb172bdcdc3b415a9027

  • SHA512

    7259a557ee2f186887ec0e40c08fa7bf6fe51d7fb6b9a930c5a876afb5c1534efc3bd0b59d454ce2b6b54e914ced687b298c016c2e467dee090cf1c6365085ae

  • SSDEEP

    1536:nIi1xBBZ3ad5Wj9thVmZAl8FL0gam8qUN/ffRaOug:Ii1xBxjanF7aTqUuO9

Score
10/10
njrat150430discoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

150430

C2

crizzybee.ddns.net:777

Mutex

718ee003d92d9b4d5e6b70f7fca7f400

Attributes
  • reg_key

    718ee003d92d9b4d5e6b70f7fca7f400

  • splitter

    |'|'|

Targets

    • Target

      ee2103a5f8e6314618a8dfafe16185d2542cf9ed2ab7cb172bdcdc3b415a9027N.exe

    • Size

      65KB

    • MD5

      7b6de1f4e80f5f0e56db56f2095ae7a0

    • SHA1

      13ada473813ec380ba5ea8cfac2457a753d88b82

    • SHA256

      ee2103a5f8e6314618a8dfafe16185d2542cf9ed2ab7cb172bdcdc3b415a9027

    • SHA512

      7259a557ee2f186887ec0e40c08fa7bf6fe51d7fb6b9a930c5a876afb5c1534efc3bd0b59d454ce2b6b54e914ced687b298c016c2e467dee090cf1c6365085ae

    • SSDEEP

      1536:nIi1xBBZ3ad5Wj9thVmZAl8FL0gam8qUN/ffRaOug:Ii1xBxjanF7aTqUuO9

    Score
    10/10
    discoverynjrat150430evasionpersistenceprivilege_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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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