Overview

overview

10

Static

static

3

b4636e0fc8...19.exe

windows7-x64

10

b4636e0fc8...19.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319.exe

  • Size

    87KB

  • Sample

    241122-k3y48axqhz

  • MD5

    847ef522a8d9278ebba5238809ce53e3

  • SHA1

    96a771cbe5274963d0669f75dd84b4b826aef1c3

  • SHA256

    b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319

  • SHA512

    6e3bf3a6fc53e65699a397eb9e0876b1870ab770c5b0cf80b36415f56f38dc868e03e7dfe46cc8fa02f5961675c480ca920f1de85fa4bcc2baf98b3a9452ac1a

  • SSDEEP

    1536:seaV50eGNHNLJBcA/IPNwkReID65wQFq3eN84rW45pFc5gKd:xaV505tVBcsImiATbmj45fi

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319.exe

    • Size

      87KB

    • MD5

      847ef522a8d9278ebba5238809ce53e3

    • SHA1

      96a771cbe5274963d0669f75dd84b4b826aef1c3

    • SHA256

      b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319

    • SHA512

      6e3bf3a6fc53e65699a397eb9e0876b1870ab770c5b0cf80b36415f56f38dc868e03e7dfe46cc8fa02f5961675c480ca920f1de85fa4bcc2baf98b3a9452ac1a

    • SSDEEP

      1536:seaV50eGNHNLJBcA/IPNwkReID65wQFq3eN84rW45pFc5gKd:xaV505tVBcsImiATbmj45fi

    Score
    10/10
    njratdiscoveryevasionpersistenceprivilege_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