Overview

overview

6

Static

static

1

Shiro no Y...j2.exe

windows10-2004-x64

6

Shiro no Y...j2.exe

windows11-21h2-x64

6

Sharing

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General

  • Target
    Shiro no Yakata_RD4-bj2.exe
  • Size 13.8MB
  • Sample260604-3cdppsgw9z
  • SHA256 888bfc44c03e97875fd1e88f56c8c052c94af130803a096114a76e480313f0dc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
bootkitdefense_evasiondiscoveryinstallerpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      Shiro no Yakata_RD4-bj2.exe
    • Size 13.8MB
    • SHA256 888bfc44c03e97875fd1e88f56c8c052c94af130803a096114a76e480313f0dc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    defense_evasiondiscoveryinstallerpersistenceprivilege_escalationbootkit

    • Checks for any installed AV software in registry

    • 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.

    • Modifies Windows Firewall

      defense_evasion

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks