Overview

overview

10

Static

static

10

c8c743dbb1...17.exe

windows7_x64

10

c8c743dbb1...17.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    c8c743dbb1eae089af4724f547b6a0b0c38e7b25fbc5699e5218dad4cfe1e317

  • Size

    37KB

  • Sample

    220521-adts4aaah2

  • MD5

    fe539f5b615a9dbb6c67e91499888daf

  • SHA1

    267e7b00433be2c8ac5d1c8a4ee1d90065d8094b

  • SHA256

    c8c743dbb1eae089af4724f547b6a0b0c38e7b25fbc5699e5218dad4cfe1e317

  • SHA512

    cdf6a70381022504e3dd967626c4b560d8cadf3357055ceacd615f05f18315caab0b591d0bcb242bb9e3d524d6124eb054826b21c5873035fb72f28e57b0784a

Score
10/10
njratkarochedaunievasiontrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

karochedauni

C2

194.34.132.152:7576

Mutex

e4cef66ebf3fdf7f22614d89de91686c

Attributes
  • reg_key

    e4cef66ebf3fdf7f22614d89de91686c

  • splitter

    |'|'|

Targets

    • Target

      c8c743dbb1eae089af4724f547b6a0b0c38e7b25fbc5699e5218dad4cfe1e317

    • Size

      37KB

    • MD5

      fe539f5b615a9dbb6c67e91499888daf

    • SHA1

      267e7b00433be2c8ac5d1c8a4ee1d90065d8094b

    • SHA256

      c8c743dbb1eae089af4724f547b6a0b0c38e7b25fbc5699e5218dad4cfe1e317

    • SHA512

      cdf6a70381022504e3dd967626c4b560d8cadf3357055ceacd615f05f18315caab0b591d0bcb242bb9e3d524d6124eb054826b21c5873035fb72f28e57b0784a

    Score
    10/10
    njratkarochedaunievasiontrojan

    • 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

    • 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

Privilege Escalation

Defense Evasion

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