Overview

overview

10

Static

static

1

20b4a034f2...3N.exe

windows7-x64

10

20b4a034f2...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe

  • Size

    120KB

  • Sample

    250201-pfmvwstmgm

  • MD5

    0a9088378993c55e870062e3e24c62d0

  • SHA1

    1c81453c1a0543211f81d10d61a4cb350fb3c7a4

  • SHA256

    20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003

  • SHA512

    60d1ff490f1595c060c936ee5abac3f5f0920726053638abb0b9df272924a859c81cc17729edc59170786978df29773a2d791909649154eba76d09dc05c61840

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDLl

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

      20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe

    • Size

      120KB

    • MD5

      0a9088378993c55e870062e3e24c62d0

    • SHA1

      1c81453c1a0543211f81d10d61a4cb350fb3c7a4

    • SHA256

      20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003

    • SHA512

      60d1ff490f1595c060c936ee5abac3f5f0920726053638abb0b9df272924a859c81cc17729edc59170786978df29773a2d791909649154eba76d09dc05c61840

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDLl

    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