Overview

overview

10

Static

static

3

f65ad9d7db...12.exe

windows10-2004-x64

10

f65ad9d7db...12.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    f65ad9d7dbd48baebb28ac6415f15f09279db1039cfe9e2dc58147baf1620412.zip
  • Size 1.8MB
  • Sample260905-tfnjmsxgnc
  • SHA256 13510fcf4cecce850bc02bd3c2137ef73049d9b4720789e5eeebff54fc3e992f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionimpactpersistenceransomwaretrojan

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\#Restore-My-Files.txt

Ransom Note
  • >>> ALL YOUR IMPORTANT FILES ARE STOLEN AND ENCRYPTED <<< Important: - We have downloaded your files. Your data will be leaked within the next 72 hours. - Contact us immediately to prevent data leakage and recover your files. Your Decryption ID: 026F9006 Contact: - Email1: [email protected] - Email2: [email protected] Warning: - Tampering with files or using third-party tools WILL cause permanent damage. - Act fast! The price will increase if you delay. No Response After 24 Hours: If you do not receive a reply from us within 24 hours, please create a new, valid email address (e.g., from Gmail, Outlook, etc.), and send your message again using the new email address. Free Decryption: - Send 3 small files (max 1MB) for free decryption. <The test file is your right. And never pay without it because you must first make sure th tool works.>

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\#Restore-My-Files.txt

Ransom Note
  • >>> ALL YOUR IMPORTANT FILES ARE STOLEN AND ENCRYPTED <<< Important: - We have downloaded your files. Your data will be leaked within the next 72 hours. - Contact us immediately to prevent data leakage and recover your files. Your Decryption ID: 3CD74E5B Contact: - Email1: [email protected] - Email2: [email protected] Warning: - Tampering with files or using third-party tools WILL cause permanent damage. - Act fast! The price will increase if you delay. No Response After 24 Hours: If you do not receive a reply from us within 24 hours, please create a new, valid email address (e.g., from Gmail, Outlook, etc.), and send your message again using the new email address. Free Decryption: - Send 3 small files (max 1MB) for free decryption. <The test file is your right. And never pay without it because you must first make sure th tool works.>

Targets

    • Target
      f65ad9d7dbd48baebb28ac6415f15f09279db1039cfe9e2dc58147baf1620412.exe
    • Size 4.7MB
    • SHA256 f65ad9d7dbd48baebb28ac6415f15f09279db1039cfe9e2dc58147baf1620412
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionimpactpersistenceransomwaretrojan

    • UAC bypass

      defense_evasiontrojan

    • Clears Windows event logs

      defense_evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (6486) files with added filename extension

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

      ransomware

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

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

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

Direct Volume Access

1
T1006

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

5
T1070

Clear Windows Event Logs

1
T1070.001

File Deletion

4
T1070.004

Modify Registry

2
T1112

Credential Access

Discovery

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

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks