Overview

overview

9

Static

static

3

lumi_spammer.exe

windows10-2004-x64

7

lumi_spammer.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    lumi_spammer.exe
  • Size 271.0MB
  • Sample260817-hakd9avdqa
  • SHA256 ac2ca5bcc0b9c7e01b3eb34df0696cc574b4b0e3b313277508ac11cfa45467dd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionimpactpersistencepyinstallerransomware

Malware Config

Targets

    • Target
      lumi_spammer.exe
    • Size 271.0MB
    • SHA256 ac2ca5bcc0b9c7e01b3eb34df0696cc574b4b0e3b313277508ac11cfa45467dd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionimpactpersistenceransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Creates a new local user account

      Uses net.exe to create a new local user account, often for persistence or a backdoor account.

      persistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Windows Management Instrumentation

1
T1047

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create Account

1
T1136

Local Account

1
T1136.001

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

4
T1112

Credential Access

Discovery

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Tasks