Overview

overview

10

Static

static

3

3621c2d956...c9.exe

windows7-x64

10

3621c2d956...c9.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    3621c2d95668ab045e7d618606d699c9.exe
  • Size 298KB
  • Sample240731-fa4f1s1elf
  • SHA256 4f3b8d1cfa5d84f0eaa63da7af72f0f8d844d2130bdd5324b97d508985bf8748
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
njrat复复美制美discoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.7d

Botnet

  • 复复美制美

C2

  • hakim32.ddns.net:2000

  • 147.185.221.21:33869

Mutex

  • 5d9b545ac4ee41f57768dba98a8ebbb2

Attributes
  • reg_key

    5d9b545ac4ee41f57768dba98a8ebbb2

  • splitter

    |'|'|

Targets

    • Target
      3621c2d95668ab045e7d618606d699c9.exe
    • Size 298KB
    • SHA256 4f3b8d1cfa5d84f0eaa63da7af72f0f8d844d2130bdd5324b97d508985bf8748
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    njrat复复美制美discoveryevasionpersistenceprivilege_escalationtrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

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