Overview

overview

10

Static

static

10

Client.exe

windows10-1703-x64

10

Sharing

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General

  • Target

    Client.exe

  • Size

    31KB

  • Sample

    221207-zfevdsga65

  • MD5

    cce84a59d2b090a31e57d0a72ad74fa2

  • SHA1

    a9a44dc4626a68e40a5b5fb7a7d0f7fad309e06c

  • SHA256

    74dda7038473283d4574897cf07ce1cad1ea4d47cbf24cb1d17bf29f1cd4df74

  • SHA512

    c291bae5dea8a60b32aba72ca9839c717478b10439237ab0edc3230f4dbee1cd2d296c9d984bd865454304f47f3f37e3f11560d010a76ba9f2feecf4cb1222c9

  • SSDEEP

    768:GDirDp8pdvXyzx9uFwna/5nW3TvanQmIDUu0tiLfj:Fw68nQbkQVkej

Score
10/10
njrattestdiscoveryevasionpersistencespywarestealertrojanupx

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Test

C2

87.1.10.253:6522

Mutex

9057ef5c5e88ed748f4a1200ec63197e

Attributes
  • reg_key

    9057ef5c5e88ed748f4a1200ec63197e

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target

      Client.exe

    • Size

      31KB

    • MD5

      cce84a59d2b090a31e57d0a72ad74fa2

    • SHA1

      a9a44dc4626a68e40a5b5fb7a7d0f7fad309e06c

    • SHA256

      74dda7038473283d4574897cf07ce1cad1ea4d47cbf24cb1d17bf29f1cd4df74

    • SHA512

      c291bae5dea8a60b32aba72ca9839c717478b10439237ab0edc3230f4dbee1cd2d296c9d984bd865454304f47f3f37e3f11560d010a76ba9f2feecf4cb1222c9

    • SSDEEP

      768:GDirDp8pdvXyzx9uFwna/5nW3TvanQmIDUu0tiLfj:Fw68nQbkQVkej

    Score
    10/10
    njratdiscoveryevasionpersistencespywarestealertrojanupx

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks