General

  • Target

    JaffaCakes118_59a7f82b965826d310b203a3f6e5cac0

  • Size

    2.0MB

  • Sample

    250107-kxla6stnfx

  • MD5

    59a7f82b965826d310b203a3f6e5cac0

  • SHA1

    c903c3522d9c46838a6855f2086d22586b365f05

  • SHA256

    fa82b765ab1020e4723b215541cc36cb631cbfbffc92b6b7e6ac2a831b0c6a7b

  • SHA512

    336c942e9c2609238b58a5a638a190d33b989e53dd71d10f3875020b8942ec6a0932fc3b7d96d7a3f2698d29e23436ad18c694ea62dfa65b827aadf8578b4566

  • SSDEEP

    24576:YPjWLSR4ovS72dnm3xgkLT1bUIxTwMdv9YwEdpQ3yVvcY15v2MurzcR2p:FLfLqYx1f1bUIlw8lopQyngbHL

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

1f6a4767a0095c0701aa58616a696751

Attributes
  • reg_key

    1f6a4767a0095c0701aa58616a696751

  • splitter

    |'|'|

Targets

    • Target

      JaffaCakes118_59a7f82b965826d310b203a3f6e5cac0

    • Size

      2.0MB

    • MD5

      59a7f82b965826d310b203a3f6e5cac0

    • SHA1

      c903c3522d9c46838a6855f2086d22586b365f05

    • SHA256

      fa82b765ab1020e4723b215541cc36cb631cbfbffc92b6b7e6ac2a831b0c6a7b

    • SHA512

      336c942e9c2609238b58a5a638a190d33b989e53dd71d10f3875020b8942ec6a0932fc3b7d96d7a3f2698d29e23436ad18c694ea62dfa65b827aadf8578b4566

    • SSDEEP

      24576:YPjWLSR4ovS72dnm3xgkLT1bUIxTwMdv9YwEdpQ3yVvcY15v2MurzcR2p:FLfLqYx1f1bUIlw8lopQyngbHL

    • 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.

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks