Overview

overview

10

Static

static

10

8f7070b244...50.exe

windows7-x64

10

8f7070b244...50.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    575c1492c69a86293f944a8cc528ce78.bin

  • Size

    16KB

  • Sample

    230323-bpf7taee8t

  • MD5

    32a7fde8fd71c2977fb8ba5656c381f3

  • SHA1

    2d802aa18cbd0bb089b26d6b052ad021b1596c80

  • SHA256

    4cb889b5e39f823c30bfc4ce4e19cfe194506ea4303b18176c6a173dd7757f85

  • SHA512

    6e9ae7914aafe7304c74e2bb632918d0e387487e8c229cb18c64bbe2ee62e113f651e51e0902e3acf7dc45a44c19e85a6f736777ce502c9810159f2aed9b7152

  • SSDEEP

    384:s2EyU7Ph5dc6lNtYT2xOXOm1W4r3sAelrmGgWPUofQV:K/NbLNtYSxOXu44PmWbQV

Score
10/10
njratcheatevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

cheat

C2

2.tcp.eu.ngrok.io:17504

Mutex

b05dabd0487f13e40a479ae7210235a7

Attributes
  • reg_key

    b05dabd0487f13e40a479ae7210235a7

  • splitter

    |'|'|

Targets

    • Target

      8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe

    • Size

      36KB

    • MD5

      575c1492c69a86293f944a8cc528ce78

    • SHA1

      656d2ea8cd84cf5a867c1ca0561bc9625710d3ac

    • SHA256

      8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650

    • SHA512

      8d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3

    • SSDEEP

      768:VOgJlLJfcPCojPysIorM+rMRa8NuH0qt:VOgJlLJUJjP2z+gRJNu0

    Score
    10/10
    njratcheatevasionpersistencetrojan

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops autorun.inf file

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

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

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks