Overview

overview

10

Static

static

10

Server22.exe

windows10-2004-x64

8

Server22.exe

windows11-21h2-x64

8

Sharing

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General

  • Target

    Server22.exe

  • Size

    36KB

  • Sample

    240721-wsdw3s1bnp

  • MD5

    a999dbe7f1ccae86eae73f30950edc69

  • SHA1

    a02f41e70bbba5d98386f328365e40e376644e57

  • SHA256

    fed8c3b6b74a39a3a7d759e8d9df768f2df2b4ac64f26efb5dfb60071a96d32d

  • SHA512

    39be4c91ca5eb0c11f0499ae9886016b854664a32efee465d895351074f9c5fcd0a28ee70ae4e8fbcd880ad85c8f11a28ab42ae4130fffe9cc44c323630bde6a

  • SSDEEP

    384:hv5Zjj6icFri5Z7JAyk/G4OvhRZea6FwrAF+rMRTyN/0L+EcoinblneHQM3epzXE:95LHJ7k/G4ObZr6GrM+rMRa8NuZ9+t

Score
10/10
njratضحايا repoevasionpersistenceprivilege_escalation

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

ضحايا Repo

C2

147.185.221.21:19455

Mutex

ff08ef465dd80a9af68f3e1ab659a49e

Attributes
  • reg_key

    ff08ef465dd80a9af68f3e1ab659a49e

  • splitter

    |'|'|

Targets

    • Target

      Server22.exe

    • Size

      36KB

    • MD5

      a999dbe7f1ccae86eae73f30950edc69

    • SHA1

      a02f41e70bbba5d98386f328365e40e376644e57

    • SHA256

      fed8c3b6b74a39a3a7d759e8d9df768f2df2b4ac64f26efb5dfb60071a96d32d

    • SHA512

      39be4c91ca5eb0c11f0499ae9886016b854664a32efee465d895351074f9c5fcd0a28ee70ae4e8fbcd880ad85c8f11a28ab42ae4130fffe9cc44c323630bde6a

    • SSDEEP

      384:hv5Zjj6icFri5Z7JAyk/G4OvhRZea6FwrAF+rMRTyN/0L+EcoinblneHQM3epzXE:95LHJ7k/G4ObZr6GrM+rMRa8NuZ9+t

    Score
    8/10
    evasionpersistenceprivilege_escalation

    • 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

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks