Overview

overview

10

Static

static

3

2a52e8ed89...cs.exe

windows7-x64

10

2a52e8ed89...cs.exe

windows10-2004-x64

Sharing

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General

  • Target

    2a52e8ed891e08b831ff2b4703c5ccefd48d512c0534de9399684a289a6b95ec_NeikiAnalytics.exe

  • Size

    718KB

  • Sample

    240621-b1jgbaygqm

  • MD5

    20c404f8e7606ae61f77b329d337fbc0

  • SHA1

    e23cd528e4da2cf73bc4b4a4fb6bf9c738f59435

  • SHA256

    2a52e8ed891e08b831ff2b4703c5ccefd48d512c0534de9399684a289a6b95ec

  • SHA512

    d183123eb9518a9dfcca72e1a6e4a1368da17ef06e3f1c5f2de6131ed2e6582c895ee10d0dc9e912aeaed89af7f03a9b14dc75414cb19ee40511412803cd7043

  • SSDEEP

    12288:FKrSjGt2H9toA/HZZvMtG6YGP0YO5qvsEhQFJlTzy:FKrS6stP5hGzFO5qUEhQFJk

Score
10/10
quasaroffice04evasionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Office04

C2

hvhkcutuoujbobu672-22209.portmap.host:22209

Mutex

VNM_MUTEX_B9yalilhpjXcfLAYLB

Attributes
  • encryption_key

    1QFI1TWvW55TfLRzQhy0

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2a52e8ed891e08b831ff2b4703c5ccefd48d512c0534de9399684a289a6b95ec_NeikiAnalytics.exe

    • Size

      718KB

    • MD5

      20c404f8e7606ae61f77b329d337fbc0

    • SHA1

      e23cd528e4da2cf73bc4b4a4fb6bf9c738f59435

    • SHA256

      2a52e8ed891e08b831ff2b4703c5ccefd48d512c0534de9399684a289a6b95ec

    • SHA512

      d183123eb9518a9dfcca72e1a6e4a1368da17ef06e3f1c5f2de6131ed2e6582c895ee10d0dc9e912aeaed89af7f03a9b14dc75414cb19ee40511412803cd7043

    • SSDEEP

      12288:FKrSjGt2H9toA/HZZvMtG6YGP0YO5qvsEhQFJlTzy:FKrS6stP5hGzFO5qUEhQFJk

    Score
    10/10
    quasaroffice04evasionspywaretrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Windows security modification

      evasiontrojan

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks