Overview

overview

10

Static

static

10

njSilent.exe

windows7-x64

10

njSilent.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    njSilent.exe

  • Size

    37KB

  • Sample

    241216-g26wwsyrep

  • MD5

    e20a459e155e9860e8a00f4d4a6015bf

  • SHA1

    982fe6b24779fa4a64a154947aca4d5615a7af86

  • SHA256

    d6ee68c0057fd95a29a2f112c19cb556837eff859071827bc5d37069742d96cc

  • SHA512

    381a3c27328e30a06125c2fa45334ca84aaff7904afb032e4fd6dec1474179787f0d87e93804b7b79e74987e2977ea19d64de05872c7f4fe1ca818199ed30d02

  • SSDEEP

    384:cmnJMiLrBndznNCyMGmPiePDUcmk3lsrAF+rMRTyN/0L+EcoinblneHQM3epzX0O:Rn9RNRMGmPPg1kVsrM+rMRa8NuS6Jt

Score
10/10
njratpaketdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

pakEt

C2

condition-clearance.gl.at.ply.gg:7070

Mutex

9d3a575fdcc2dd1782d18ac5655a8b28

Attributes
  • reg_key

    9d3a575fdcc2dd1782d18ac5655a8b28

  • splitter

    |'|'|

Targets

    • Target

      njSilent.exe

    • Size

      37KB

    • MD5

      e20a459e155e9860e8a00f4d4a6015bf

    • SHA1

      982fe6b24779fa4a64a154947aca4d5615a7af86

    • SHA256

      d6ee68c0057fd95a29a2f112c19cb556837eff859071827bc5d37069742d96cc

    • SHA512

      381a3c27328e30a06125c2fa45334ca84aaff7904afb032e4fd6dec1474179787f0d87e93804b7b79e74987e2977ea19d64de05872c7f4fe1ca818199ed30d02

    • SSDEEP

      384:cmnJMiLrBndznNCyMGmPiePDUcmk3lsrAF+rMRTyN/0L+EcoinblneHQM3epzX0O:Rn9RNRMGmPPg1kVsrM+rMRa8NuS6Jt

    Score
    10/10
    njratpaketdiscoveryevasionpersistenceprivilege_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

    • 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