Overview

overview

10

Static

static

10

nursultan.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    nursultan.exe
  • Size 1.2MB
  • Sample260806-vlsk8awdmf
  • SHA256 5b3f0a6d540ec45bb8e6f0cf487794ff35f704c0a617f9b4a526328284c49d85
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasardiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Attributes
  • encryption_key

    33A7029011B6BD4B067B8907EB238F25EFF233BF

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      nursultan.exe
    • Size 1.2MB
    • SHA256 5b3f0a6d540ec45bb8e6f0cf487794ff35f704c0a617f9b4a526328284c49d85
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks