Overview

overview

10

Static

static

1

yasuo_siwn...64.msi

windows7-x64

8

yasuo_siwn...64.msi

windows10-2004-x64

10

Sharing

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General

  • Target

    yasuo_siwndseh-X64.msi.vir

  • Size

    24.0MB

  • Sample

    241118-lsrg3atmct

  • MD5

    b54bfb18c65fdeb70b2070b7513ae98c

  • SHA1

    6512195f6c46d4444ea03bc1894923d2e8b2141f

  • SHA256

    53dfd010c500008fc34b434c440c7561b8cca5054694656415904d57be645711

  • SHA512

    6a9e1d253090ad7e9c6ef1ec8b0da185fccc99be7df6fe78a100b4d19898c248af062a1455949e65d0669f72ddc6b4dce7201f42af684e1e69f365f1fe079944

  • SSDEEP

    393216:MOPUaSdS0X7SZnLu/LzW8NHqHl23q1695eQW8/nFQwyNFjFGbJT08nUKl8GrTdR:xPJJx1UNKHMa169YdCnFKTjFGbJuKl8L

Score
10/10
gh0stratpurplefoxbootkitdiscoveryexecutionpersistenceprivilege_escalationratrootkittrojan

Malware Config

Targets

    • Target

      yasuo_siwndseh-X64.msi.vir

    • Size

      24.0MB

    • MD5

      b54bfb18c65fdeb70b2070b7513ae98c

    • SHA1

      6512195f6c46d4444ea03bc1894923d2e8b2141f

    • SHA256

      53dfd010c500008fc34b434c440c7561b8cca5054694656415904d57be645711

    • SHA512

      6a9e1d253090ad7e9c6ef1ec8b0da185fccc99be7df6fe78a100b4d19898c248af062a1455949e65d0669f72ddc6b4dce7201f42af684e1e69f365f1fe079944

    • SSDEEP

      393216:MOPUaSdS0X7SZnLu/LzW8NHqHl23q1695eQW8/nFQwyNFjFGbJT08nUKl8GrTdR:xPJJx1UNKHMa169YdCnFKTjFGbJuKl8L

    Score
    10/10
    bootkitdiscoveryexecutionpersistenceprivilege_escalationgh0stratpurplefoxratrootkittrojan

    • 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

    • Gh0strat family

      gh0strat

    • PurpleFox

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

      rootkittrojanpurplefox

    • Purplefox family

      purplefox

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Event Triggered Execution

1
T1546

Installer Packages

1
T1546.016

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Event Triggered Execution

1
T1546

Installer Packages

1
T1546.016

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

System Binary Proxy Execution

1
T1218

Msiexec

1
T1218.007

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
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

Command and Control

Exfiltration

Impact

Tasks