Overview

overview

10

Static

static

3

87bd0c3dce...53.exe

windows7-x64

10

87bd0c3dce...53.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

  • Size

    97KB

  • Sample

    250326-fgd5ps1lv7

  • MD5

    1a2571d1fbd765cbfc662ac7b1670ac5

  • SHA1

    b483fc154e01ca8b5f8b79b0f72f3c6a7559dd41

  • SHA256

    87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

  • SHA512

    222db62bbfe7993200905775787de3e404e139d06f6877e928a908b0351223f3179de6dad7565999b97983b6b26e142e63f73230f832db6a30e92d50fe8770e2

  • SSDEEP

    1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4X:d5eznsjsguGDFqGX

Score
10/10
njratneufdefense_evasiondiscoverypersistenceprivilege_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

      87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

    • Size

      97KB

    • MD5

      1a2571d1fbd765cbfc662ac7b1670ac5

    • SHA1

      b483fc154e01ca8b5f8b79b0f72f3c6a7559dd41

    • SHA256

      87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

    • SHA512

      222db62bbfe7993200905775787de3e404e139d06f6877e928a908b0351223f3179de6dad7565999b97983b6b26e142e63f73230f832db6a30e92d50fe8770e2

    • SSDEEP

      1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4X:d5eznsjsguGDFqGX

    Score
    10/10
    njratneufdefense_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.

    • 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