Overview

overview

10

Static

static

10

Nursultan.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Nursultan.exe
  • Size 1.2MB
  • Sample260731-r2kc1aca89
  • SHA256 d64fcd6a60946b42dace492027333822f79467ee0d9c0498c81c0815d8a1e6da
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Attributes
  • encryption_key

    33A7029011B6BD4B067B8907EB238F25EFF233BF

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      Nursultan.exe
    • Size 1.2MB
    • SHA256 d64fcd6a60946b42dace492027333822f79467ee0d9c0498c81c0815d8a1e6da
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks