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Overview

overview

10

Static

static

10

cfb9c71fc5...9N.exe

windows7-x64

10

cfb9c71fc5...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19N.exe

  • Size

    23KB

  • Sample

    250208-emj3gavrgj

  • MD5

    4ab6caa1143a0bf110bfde47d5285ac0

  • SHA1

    afb9ceb67fcaee2beb9cd08d45018cabb7ece4bf

  • SHA256

    cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19

  • SHA512

    6e0bab4035120373702eb6faa77a8c4b11a3c654a3c6890a61aa6d4285cc0bb7933d2bb38772bbf4f3c590c017205d6e005a846f77cc9fab9b53dda4aeb3c4e9

  • SSDEEP

    384:07luBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZu4:0EOmhtIiRpcnug

Score
10/10
njratprimedefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Prime

C2

updatservice3457.ddns.net:5552

Mutex

604be2a3a005846db577612359e0d347

Attributes
  • reg_key

    604be2a3a005846db577612359e0d347

  • splitter

    |'|'|

Targets

    • Target

      cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19N.exe

    • Size

      23KB

    • MD5

      4ab6caa1143a0bf110bfde47d5285ac0

    • SHA1

      afb9ceb67fcaee2beb9cd08d45018cabb7ece4bf

    • SHA256

      cfb9c71fc5a1fc750db82440c45ca5e1f7ef557d5ad0f1cb50dd14a2c2621b19

    • SHA512

      6e0bab4035120373702eb6faa77a8c4b11a3c654a3c6890a61aa6d4285cc0bb7933d2bb38772bbf4f3c590c017205d6e005a846f77cc9fab9b53dda4aeb3c4e9

    • SSDEEP

      384:07luBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZu4:0EOmhtIiRpcnug

    Score
    10/10
    njratprimedefense_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
    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

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks