Overview

overview

10

Static

static

3

IronChain.exe

windows10-2004-x64

8

IronChain.exe

windows10-ltsc_2021-x64

8

IronChain.exe

windows11-21h2-x64

8

IronChain.exe

windows11-ltsc_2024-x64

10

Resubmissions

10/09/2026, 07:04

260910-hv5kxsswdx8

10/09/2026, 07:04

260910-hv1xqsswdt

10/09/2026, 06:21

260910-g4tpcahl3110

Sharing

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General

  • Target
    IronChain.exe
  • Size 9.1MB
  • Sample260910-g4tpcahl31
  • SHA256 ec054644d6fc1e1156d65be834df720e2fc68aa611d4f653954b38bcfa56d980
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionexploitpersistenceprivilege_escalationpyinstallerransomwaretrojanupx

Malware Config

Targets

    • Target
      IronChain.exe
    • Size 9.1MB
    • SHA256 ec054644d6fc1e1156d65be834df720e2fc68aa611d4f653954b38bcfa56d980
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionexploitpersistenceprivilege_escalationransomwareupxevasiontrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • UAC bypass

      defense_evasiontrojan

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      defense_evasion

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables cmd.exe use via registry modification

      defense_evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Indicator Removal: Network Share Connection Removal

      Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

      defense_evasion

    • Modifies Windows Firewall

      defense_evasion

    • Possible privilege escalation attempt

      exploit

    • Disables service(s)

      defense_evasionexecution

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Stops running service(s)

      defense_evasionexecution

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • 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

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

File and Directory Permissions Modification

1
T1222

Impair Defenses

5
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Safe Mode Boot

1
T1562.009

Indicator Removal

1
T1070

Network Share Connection Removal

1
T1070.005

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Service Stop

2
T1489

Tasks