Overview

overview

10

Static

static

1

Chrmroe-intraller.msi

windows7-x64

8

Chrmroe-intraller.msi

windows10-2004-x64

10

Sharing

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General

  • Target

    Chrmroe-intraller.zip

  • Size

    43.5MB

  • Sample

    241022-h94xyawcnj

  • MD5

    a3e977185a264c990dc7ca1487b859da

  • SHA1

    de3ef94646f519960dc0dece943e2e4c4a4f0163

  • SHA256

    46334ecbb566c047a2fd9fa81ca12789e9eb299f2dcc18b0c78255f8edae616a

  • SHA512

    55548f866f76add63f66f3bfc160c82782a031543e80129a2928f916deba3d40cd867939d264aa57d19795a879a75a4475b13092628a58856635915db211ab5a

  • SSDEEP

    786432:xVh8Mq3Aj14agU1tVfKsQ6uQYTPuxYnz16PYk7Q/6JkcVyUSu:ZkahtVfKs1uRuxYnz1s97QSJB/

Score
10/10
gh0stratpurplefoxdiscoveryevasionexecutionpersistenceprivilege_escalationratrootkitspywarestealertrojan

Malware Config

Targets

    • Target

      Chrmroe-intraller.msi

    • Size

      43.5MB

    • MD5

      113a2eab7ccf51501146194bbaadb175

    • SHA1

      de00c7a8ff5b49adec8bc44eba7f6332446f0e8f

    • SHA256

      4cab134dbaf1059613f44da615292af5713a0aa3a0185abda0cf1ebf8a7dc9a4

    • SHA512

      ce681034d9c3cad7367fa2a541401036651ce79385524b10f8ea0287c6c6e1bd307c82d339056d6f2e2fd48cbdd05e80650c1b5acb62b55772b4157d3ef9c13e

    • SSDEEP

      786432:KPmAYqjq7J2mESTU1A2SBaUCAkEPstiz7Ngv9iJ67P3+OBrIU7:d4m5U1A2SMUxstiz7NGYJ673z9

    Score
    10/10
    discoveryexecutionpersistenceprivilege_escalationgh0stratpurplefoxevasionratrootkitspywarestealertrojan

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

      rootkit

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

      ratgh0strat

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

      rootkittrojanpurplefox

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Boot or Logon Autostart Execution: Active Setup

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

      persistence

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • 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.

      persistenceprivilege_escalation
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Installer Packages

1
T1546.016

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Installer Packages

1
T1546.016

Defense Evasion

Modify Registry

1
T1112

System Binary Proxy Execution

1
T1218

Msiexec

1
T1218.007

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

6
T1012

System Information Discovery

7
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks