Overview

overview

10

Static

static

10

4b54e7e3f7...49.exe

windows7_x64

10

4b54e7e3f7...49.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    4b54e7e3f754a52d0ed013cd376c069bfdb9e457d134d862b4303691cab03849

  • Size

    37KB

  • Sample

    220520-3fgkrsbgbm

  • MD5

    b98d25a30a0472eea9a8ead6009a853c

  • SHA1

    e91b5cfbe442299bf72924422e856424087e9a7e

  • SHA256

    4b54e7e3f754a52d0ed013cd376c069bfdb9e457d134d862b4303691cab03849

  • SHA512

    4c6ddeddc304ebff72846d115c63f9fe8889f11b44ec5623da22628b5ba258b5b716a02c6722ca483dd466f09db5eea2201af2af8837bc886b9b89c4d4c90314

Score
10/10
njratshareman.exeevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

shareman.exe

C2

ayezhiznboram.ddns.net:6344

Mutex

4bdbd1da64cfae6714664f169be7c0ed

Attributes
  • reg_key

    4bdbd1da64cfae6714664f169be7c0ed

  • splitter

    |'|'|

Targets

    • Target

      4b54e7e3f754a52d0ed013cd376c069bfdb9e457d134d862b4303691cab03849

    • Size

      37KB

    • MD5

      b98d25a30a0472eea9a8ead6009a853c

    • SHA1

      e91b5cfbe442299bf72924422e856424087e9a7e

    • SHA256

      4b54e7e3f754a52d0ed013cd376c069bfdb9e457d134d862b4303691cab03849

    • SHA512

      4c6ddeddc304ebff72846d115c63f9fe8889f11b44ec5623da22628b5ba258b5b716a02c6722ca483dd466f09db5eea2201af2af8837bc886b9b89c4d4c90314

    Score
    10/10
    njratshareman.exeevasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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 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

Impact

Tasks