Overview

overview

10

Static

static

10

xdwd.exe

windows10-ltsc 2021-x64

10

xdwd.exe

windows10-2004-x64

10

xdwd.exe

windows10-ltsc 2021-x64

10

xdwd.exe

windows11-21h2-x64

10

xdwd.exe

windows7-x64

10

Sharing

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General

  • Target

    xdwd.exe

  • Size

    25KB

  • Sample

    241101-wmf49atfpr

  • MD5

    aae04417cc07c39988d4fbe0e85fc9bd

  • SHA1

    2d51b49f8f1faeba674dd0993911e8f65b4d2258

  • SHA256

    f81bc717944ec8a599c8276d9d3b1de4b995d5570139590d263b39e47e87ba3d

  • SHA512

    53cc6468da9be1f4a3cc3089b1ed6a7544eb5cc5f91ae8dc1390688ffe10ad9aff1df224a5cd936276440ee95cb4afcaec7cf4f63332297864179c3266560dfb

  • SSDEEP

    384:EB+Sbj6NKIPw6LZhAHt2vTh34EnWb5j4kDhlzCTJEUmNYEYQro3lcOjsjr:CpI46Lnwt4aE+RHtN8oj

Score
10/10
limeratcredential_accessdiscoveryevasionpersistenceprivilege_escalationratspywarestealer

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    1337

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/rACMKa5f

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    xdwd.exe

  • main_folder

    AppData

  • pin_spread

    false

  • sub_folder

    \xdwd\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/rACMKa5f

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Targets

    • Target

      xdwd.exe

    • Size

      25KB

    • MD5

      aae04417cc07c39988d4fbe0e85fc9bd

    • SHA1

      2d51b49f8f1faeba674dd0993911e8f65b4d2258

    • SHA256

      f81bc717944ec8a599c8276d9d3b1de4b995d5570139590d263b39e47e87ba3d

    • SHA512

      53cc6468da9be1f4a3cc3089b1ed6a7544eb5cc5f91ae8dc1390688ffe10ad9aff1df224a5cd936276440ee95cb4afcaec7cf4f63332297864179c3266560dfb

    • SSDEEP

      384:EB+Sbj6NKIPw6LZhAHt2vTh34EnWb5j4kDhlzCTJEUmNYEYQro3lcOjsjr:CpI46Lnwt4aE+RHtN8oj

    Score
    10/10
    limeratdiscoveryratcredential_accessevasionpersistenceprivilege_escalationspywarestealer

    • LimeRAT

      Simple yet powerful RAT for Windows machines written in .NET.

      ratlimerat

    • Limerat family

      limerat

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

      evasion

    • Server Software Component: Terminal Services DLL

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3behavioral4behavioral5

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Remote Services

1
T1021

Remote Desktop Protocol

1
T1021.001

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks