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General

  • Target

    nkth.exe

  • Size

    55KB

  • Sample

    250208-ntb5watngk

  • MD5

    33644523cb6a6c01bbf2dd5c3a97aafc

  • SHA1

    7fd0d35a09a32693d30ffdb49ecd69c1229d2a20

  • SHA256

    e451ebc803766d533d92baf458485284fb64cc3e8d4491cf410ea7fb2d5ded45

  • SHA512

    43bddd6e1cd6acf040fec6d2b51afd86daa0f5f8ef7990b7dab2e9a42bdcdec5fede30d0510e6fdfd1cb08a4028e5057061f7c4e91a8b5a300ae1af9505cef2b

  • SSDEEP

    1536:5EOADn6cpNPmSpVcDGiwsNMDdXExI3pmsm:bADn6cPzLcDGiwsNMDdXExI3pm

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

3skr.uncofig.com:9999

Mutex

45383d8d8d15dbb304a561fd6c64bb12

Attributes
  • reg_key

    45383d8d8d15dbb304a561fd6c64bb12

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target

      nkth.exe

    • Size

      55KB

    • MD5

      33644523cb6a6c01bbf2dd5c3a97aafc

    • SHA1

      7fd0d35a09a32693d30ffdb49ecd69c1229d2a20

    • SHA256

      e451ebc803766d533d92baf458485284fb64cc3e8d4491cf410ea7fb2d5ded45

    • SHA512

      43bddd6e1cd6acf040fec6d2b51afd86daa0f5f8ef7990b7dab2e9a42bdcdec5fede30d0510e6fdfd1cb08a4028e5057061f7c4e91a8b5a300ae1af9505cef2b

    • SSDEEP

      1536:5EOADn6cpNPmSpVcDGiwsNMDdXExI3pmsm:bADn6cPzLcDGiwsNMDdXExI3pm

    • Njrat family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Checks installed software on the system

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks