Overview

overview

10

Static

static

10

lol.exe

windows11-21h2-x64

Sharing

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General

  • Target

    lol.exe

  • Size

    13.1MB

  • Sample

    240523-s1ftvsfh3z

  • MD5

    621d4a616715d165ed2c10e48e5fd94b

  • SHA1

    7fabfdb5167e59d0442df460e1b236cb5bc75fbe

  • SHA256

    7975eec3959bed57e86fb6fa917503a7a1242fdf589dde7600783fc37d3dfbde

  • SHA512

    793302845e76e8cc03bd8281abad4db786f361e5c1a691462b40da11e8e7ac6210e0e9c21b41493dedffc6724af146ef70b9f8448d51dc860725364e14cba442

  • SSDEEP

    196608:tbVYKe7PjQhn5EQ9hNQAYzA5k6cTWDn7JKObS09Vp7j1oTeBI7lm:pzuA5EWheYkv8LlCTe2s

Score
10/10
njratquasarumbralromkabootkitdiscoveryevasionexecutionpersistencespywarestealertrojan

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

quasar

Version

1.4.1

Botnet

romka

C2

jozzu420-51305.portmap.host:51305

Mutex

0445c342-b551-411c-9b80-cd437437f491

Attributes
  • encryption_key

    E1BF1D99459F04CAF668F054744BC2C514B0A3D6

  • install_name

    Romilyaa.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows 10 Boot

  • subdirectory

    SubDir

Targets

    • Target

      lol.exe

    • Size

      13.1MB

    • MD5

      621d4a616715d165ed2c10e48e5fd94b

    • SHA1

      7fabfdb5167e59d0442df460e1b236cb5bc75fbe

    • SHA256

      7975eec3959bed57e86fb6fa917503a7a1242fdf589dde7600783fc37d3dfbde

    • SHA512

      793302845e76e8cc03bd8281abad4db786f361e5c1a691462b40da11e8e7ac6210e0e9c21b41493dedffc6724af146ef70b9f8448d51dc860725364e14cba442

    • SSDEEP

      196608:tbVYKe7PjQhn5EQ9hNQAYzA5k6cTWDn7JKObS09Vp7j1oTeBI7lm:pzuA5EWheYkv8LlCTe2s

    Score
    10/10
    njratquasarumbralromkabootkitdiscoveryevasionexecutionpersistencespywarestealertrojan

    • Detect Umbral payload

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • UAC bypass

      evasiontrojan

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • Windows security bypass

      evasiontrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Disables RegEdit via registry modification

      evasion

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

    • Sets file execution options in registry

      persistence

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Registers COM server for autorun

      persistence

    • Windows security modification

      evasiontrojan

    • 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.

    • Modifies WinLogon

      persistence

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

5
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Winlogon Helper DLL

2
T1547.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

5
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Winlogon Helper DLL

2
T1547.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

11
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

File and Directory Permissions Modification

1
T1222

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

6
T1082

Query Registry

5
T1012

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks