Overview

overview

10

Static

static

1

verify-ua.html

windows11-21h2-x64

Sharing

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General

  • Target

    verify-ua

  • Size

    5KB

  • Sample

    241026-qln6ksslcl

  • MD5

    bdcd890677a32b056ffd78cd896eff89

  • SHA1

    92ab74ed8d40e336c4c33a44435521f377007df8

  • SHA256

    1041a83d20c8cb7b9303c65aa563078dc4b10e6db8f3547b74278bc6c0644e98

  • SHA512

    3bedc2cec5f892c688811feaacff43845762be06e212510cba9abd9080ffa849c46ca2566722ab3f2c25afda3cb9baaa5e78e1e6c8351ea41eb3add49e75cc01

  • SSDEEP

    96:GiOts4fcZxpPsCkHInCnir7NVirCQXqHVoITMF6apE4sW:7Ots5sGnRTirio6+sW

Score
10/10
badrabbitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

Malware Config

Extracted

Path

C:\Recovery\WindowsRE\README_HOW_TO_UNLOCK.TXT

Ransom Note
YOUR FILE HAS BEEN LOCKED In order to unlock your files, follow the instructions bellow: 1. Download and install Tor Browser 2. After a successful installation, run Tor Browser and wait for its initialization. 3. Type in the address bar: http://zvnvp2rhe3ljwf2m.onion 4. Follow the instructions on the site.
URLs

http://zvnvp2rhe3ljwf2m.onion

Targets

    • Target

      verify-ua

    • Size

      5KB

    • MD5

      bdcd890677a32b056ffd78cd896eff89

    • SHA1

      92ab74ed8d40e336c4c33a44435521f377007df8

    • SHA256

      1041a83d20c8cb7b9303c65aa563078dc4b10e6db8f3547b74278bc6c0644e98

    • SHA512

      3bedc2cec5f892c688811feaacff43845762be06e212510cba9abd9080ffa849c46ca2566722ab3f2c25afda3cb9baaa5e78e1e6c8351ea41eb3add49e75cc01

    • SSDEEP

      96:GiOts4fcZxpPsCkHInCnir7NVirCQXqHVoITMF6apE4sW:7Ots5sGnRTirio6+sW

    Score
    10/10
    badrabbitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

      ransomwarebadrabbit

    • Badrabbit family

      badrabbit

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (65) files with added filename extension

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

      ransomware

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
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

Direct Volume Access

1
T1006

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

4
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

3
T1490

Tasks