Overview

overview

10

Static

static

3

2026-09-28...op.exe

windows10-2004-x64

10

2026-09-28...op.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-09-28_a3d99a15e885e64712af8fcd9eb8c569_elex_rhadamanthys_stop
  • Size 816KB
  • Sample260929-d95f9a112n
  • SHA256 e40ad2792917584cb77bc8921a06b3d7e8e4996d667b7b9e682b5c1fe614c59a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
expiroadwarebackdoorcredential_accessdefense_evasiondiscoverypersistenceprivilege_escalationspywarestealertrojan

Malware Config

Targets

    • Target
      2026-09-28_a3d99a15e885e64712af8fcd9eb8c569_elex_rhadamanthys_stop
    • Size 816KB
    • SHA256 e40ad2792917584cb77bc8921a06b3d7e8e4996d667b7b9e682b5c1fe614c59a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarebackdoorcredential_accessdefense_evasiondiscoveryexpiropersistenceprivilege_escalationspywarestealertrojan

    • Expiro payload

      backdoor

    • Family: Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

      backdoorexpiro

    • Disables taskbar notifications via registry modification

      defense_evasion

    • 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

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Windows security modification

      defense_evasiontrojan

    • Checks installed software on the system

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

      discovery

    • Drops Chrome extension

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks