Overview

overview

10

Static

static

3

7bf88b7a40...8N.exe

windows7-x64

10

7bf88b7a40...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe

  • Size

    115KB

  • Sample

    241208-ek8ytawqgk

  • MD5

    c46fc1b56aae0e36290cee4442553270

  • SHA1

    1733836f0eef3041150b26eba87962f9ce4ff7cc

  • SHA256

    7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8

  • SHA512

    7612587ec6acb5cf088a2cdb076d1e8d43058b0c770581900b83ff73932166f31fb7d82c438e16dec6353b37836a3d6a6ec78433329bdaa6dd73b9865d7884bb

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RoG:w5eznsjsguGDFqGx8egoxmO3rRoG

Score
10/10
njratneufdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe

    • Size

      115KB

    • MD5

      c46fc1b56aae0e36290cee4442553270

    • SHA1

      1733836f0eef3041150b26eba87962f9ce4ff7cc

    • SHA256

      7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8

    • SHA512

      7612587ec6acb5cf088a2cdb076d1e8d43058b0c770581900b83ff73932166f31fb7d82c438e16dec6353b37836a3d6a6ec78433329bdaa6dd73b9865d7884bb

    • SSDEEP

      1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RoG:w5eznsjsguGDFqGx8egoxmO3rRoG

    Score
    10/10
    njratneufdiscoveryevasionpersistenceprivilege_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.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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