Overview

overview

10

Static

static

10

a796d7e512...d6.exe

windows7-x64

10

a796d7e512...d6.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    a796d7e512558cf1de868e996dd8ef7651956fe71e8c84063986d801098120d6.exe

  • Size

    52KB

  • Sample

    250113-c537ysvkbk

  • MD5

    41b7e09608ef2fccf2483d2123a67b0f

  • SHA1

    0bd1e8b13c2e138c0016272f62fb7dbccac57eb4

  • SHA256

    a796d7e512558cf1de868e996dd8ef7651956fe71e8c84063986d801098120d6

  • SHA512

    b7df2cc1aa5cf81936144a3ea62b7404e14651c5cb2fcbf2fee416d22db514601edf1e38ce75a07c0bbe869ee01ef63e20f7e3b84b7db8120fc66b4841f22ea1

  • SSDEEP

    768:+LdGdkryy3i+wLrM+rMRa8NuAGt5pFA3:+LdGyeyyJU+gRJNz

Score
10/10
njratnhzxreportsdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

NHZxReports

C2

147.50.253.6:9997

Mutex

9958061a0028ef3328b60cdcfe513c98

Attributes
  • reg_key

    9958061a0028ef3328b60cdcfe513c98

  • splitter

    |'|'|

Targets

    • Target

      a796d7e512558cf1de868e996dd8ef7651956fe71e8c84063986d801098120d6.exe

    • Size

      52KB

    • MD5

      41b7e09608ef2fccf2483d2123a67b0f

    • SHA1

      0bd1e8b13c2e138c0016272f62fb7dbccac57eb4

    • SHA256

      a796d7e512558cf1de868e996dd8ef7651956fe71e8c84063986d801098120d6

    • SHA512

      b7df2cc1aa5cf81936144a3ea62b7404e14651c5cb2fcbf2fee416d22db514601edf1e38ce75a07c0bbe869ee01ef63e20f7e3b84b7db8120fc66b4841f22ea1

    • SSDEEP

      768:+LdGdkryy3i+wLrM+rMRa8NuAGt5pFA3:+LdGyeyyJU+gRJNz

    Score
    10/10
    njratnhzxreportsdiscoveryevasionpersistenceprivilege_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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

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

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks