Overview

overview

10

Static

static

8a1b2f098d...1f.exe

windows7_x64

10

8a1b2f098d...1f.exe

windows10-2004_x64

8

Sharing

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General

  • Target

    8a1b2f098dcf0dd3740ab243f02f83fd8b3129f3b88aa986d10ec4eeb183e01f

  • Size

    332KB

  • Sample

    220203-tdyxlabecj

  • MD5

    349d353065a260a6cb340666ae9d5f06

  • SHA1

    049c76e212e1e7368c368eb1b47bf18df84f2d61

  • SHA256

    8a1b2f098dcf0dd3740ab243f02f83fd8b3129f3b88aa986d10ec4eeb183e01f

  • SHA512

    ecd932d518ef32d2c6c25927c9f0298ab380651078df8b3c837ad7027875574b9bb2764f9ac22bc30d65f816313dbf77554b688bcbaec5a1519c0fa6f1fe5293

Score
10/10
njratvictimeevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Victime

C2

kouji.ddns.net:1177

Mutex

3c8548e6ad9ecf00a0a44c81e84745f1

Attributes
  • reg_key

    3c8548e6ad9ecf00a0a44c81e84745f1

  • splitter

    |'|'|

Targets

    • Target

      8a1b2f098dcf0dd3740ab243f02f83fd8b3129f3b88aa986d10ec4eeb183e01f

    • Size

      332KB

    • MD5

      349d353065a260a6cb340666ae9d5f06

    • SHA1

      049c76e212e1e7368c368eb1b47bf18df84f2d61

    • SHA256

      8a1b2f098dcf0dd3740ab243f02f83fd8b3129f3b88aa986d10ec4eeb183e01f

    • SHA512

      ecd932d518ef32d2c6c25927c9f0298ab380651078df8b3c837ad7027875574b9bb2764f9ac22bc30d65f816313dbf77554b688bcbaec5a1519c0fa6f1fe5293

    Score
    10/10
    njratvictimeevasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks