Overview

overview

9

Static

static

3

Undertale.exe

windows10-2004-x64

3

Undertale.exe

windows11-21h2-x64

9

Resubmissions

08/06/2026, 19:22

260608-x3pxrset319

08/06/2026, 19:21

260608-x2rd7set3t3

Sharing

Copy URL Twitter E-mail

General

  • Target
    Undertale.exe
  • Size 3.9MB
  • Sample260608-x3pxrset31
  • SHA256 c8c4191026bf5587a6fad120855b8b82ffb4fa0c3eaf10515be472ad84248e58
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoverypersistenceprivilege_escalationransomwarespywaretrojan

Malware Config

Targets

    • Target
      Undertale.exe
    • Size 3.9MB
    • SHA256 c8c4191026bf5587a6fad120855b8b82ffb4fa0c3eaf10515be472ad84248e58
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    discoverydefense_evasionpersistenceprivilege_escalationransomwarespywaretrojan

    • Renames multiple (6114) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Modify Registry

2
T1112

Subvert Trust Controls

3
T1553

Install Root Certificate

2
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks