Overview

overview

10

Static

static

7

UgrVJMxL.exe

windows7-x64

9

UgrVJMxL.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    UgrVJMxL.exe

  • Size

    27.9MB

  • Sample

    241208-rjrdla1jen

  • MD5

    34e055a67b10a1a14994b6b3457698e2

  • SHA1

    6b299dca56f55a0656b23fd035f4353dc049343a

  • SHA256

    01b6ee7d4a8b358ef51e4f2d19f75ff4de4d4acab7c56f2a3063e4b35847dd09

  • SHA512

    8437dde18940cf8197d25f729bbaaf0803b81ffa1ed13128c91e6e3a65f01fc8253a19badc6e71c187928832dbabb03cf45ddc392e19e4c5dc6f741ada13d218

  • SSDEEP

    786432:PPhOXo+/5eJC7HRCyM1yMRUEvTHBfBRcda3:3AY+/4JOlQ7PRco3

Score
10/10
warzoneratbootkitdefense_evasiondiscoveryevasionexecutioninfostealerpersistencephishingransomwareratrezer0themidatrojan

Malware Config

Targets

    • Target

      UgrVJMxL.exe

    • Size

      27.9MB

    • MD5

      34e055a67b10a1a14994b6b3457698e2

    • SHA1

      6b299dca56f55a0656b23fd035f4353dc049343a

    • SHA256

      01b6ee7d4a8b358ef51e4f2d19f75ff4de4d4acab7c56f2a3063e4b35847dd09

    • SHA512

      8437dde18940cf8197d25f729bbaaf0803b81ffa1ed13128c91e6e3a65f01fc8253a19badc6e71c187928832dbabb03cf45ddc392e19e4c5dc6f741ada13d218

    • SSDEEP

      786432:PPhOXo+/5eJC7HRCyM1yMRUEvTHBfBRcda3:3AY+/4JOlQ7PRco3

    Score
    10/10
    defense_evasiondiscoveryevasionexecutionpersistencethemidatrojanwarzoneratbootkitinfostealerphishingransomwareratrezer0

    • Deletes NTFS Change Journal

      The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

      ransomware

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      evasiontrojan

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

      ratinfostealerwarzonerat

    • Warzonerat family

      warzonerat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Server Software Component: Terminal Services DLL

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Stops running service(s)

      evasionexecution

    • A potential corporate email address has been identified in the URL: [email protected]

      phishing

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

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

    • Indicator Removal: File Deletion

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

      defense_evasion

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Time Providers

1
T1547.003

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Time Providers

1
T1547.003

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

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

Hide Artifacts

3
T1564

Hidden Files and Directories

2
T1564.001

Ignore Process Interrupts

1
T1564.011

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

5
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

7
T1012

Remote System Discovery

1
T1018

System Information Discovery

8
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Data Destruction

1
T1485

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks