Overview

overview

10

Static

static

10

NjRat 0.7D...23.exe

windows10-2004-x64

10

NjRat 0.7D...23.exe

windows11-21h2-x64

10

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General

  • Target
    NjRat 0.7D Green Edition by im523.exe
  • Size 3.4MB
  • Sample260411-plwd8afs5m
  • SHA256 11ebcd4828f455914e1395f0b81bd7a3fb1740f65fb147a1c77c655a4ed35fb5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratxredhackedbackdoordefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • xred

C2

  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

  • njrat

Version

  • im523

Botnet

  • HacKed

C2

  • tnmr.ddns.net:1177

Mutex

  • d865afb04a164121516a06c03a369af0

Attributes
  • reg_key

    d865afb04a164121516a06c03a369af0

  • splitter

    |'|'|

Targets

    • Target
      NjRat 0.7D Green Edition by im523.exe
    • Size 3.4MB
    • SHA256 11ebcd4828f455914e1395f0b81bd7a3fb1740f65fb147a1c77c655a4ed35fb5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorhackeddefense_evasiondiscoverynjratxredpersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

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

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks