Overview

overview

10

Static

static

10

Client.exe

windows10-1703-x64

10

Client.exe

windows10-2004-x64

10

Client.exe

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Client.exe

  • Size

    240KB

  • Sample

    240619-11d92aybmj

  • MD5

    16deda7a7a2e8f354fbff30ad723a711

  • SHA1

    8730e18a2fc9722f7700c1192b3cc941169d7701

  • SHA256

    4c93b44d1550229fd328c058fbbfe44999ba01e2766b4d3df17c777ce643925e

  • SHA512

    6a19f30f3eca499e14ab97c5055420cc352852b9e5caeeaf016cd6c707dee6837b92bd7a49e7ca288e391205f3ae0786f43a4fef1ca01e5829594edfe60108cd

  • SSDEEP

    6144:RFCE/UVPy/oCa+LDZWC9z52oMbWknq1dissN:zCzPygCa+DZunq1cd

Score
10/10
limeratdefense_evasionevasionexecutionimpactransomwarerattrojan

Malware Config

Extracted

Family

limerat

Wallets

False

Attributes
  • aes_key

    1

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/GfV4LBjE

  • download_payload

    false

  • install

    true

  • install_name

    svchost.exe

  • main_folder

    False

  • payload_url

    True

  • pin_spread

    true

  • sub_folder

    True

  • usb_spread

    false

Extracted

Credentials

  • Protocol:     ftp
  • Host:
    ftp.encompossoftware.com
  • Port:
    21
  • Username:
    remoteuser
  • Password:
    Encomposx99

Targets

    • Target

      Client.exe

    • Size

      240KB

    • MD5

      16deda7a7a2e8f354fbff30ad723a711

    • SHA1

      8730e18a2fc9722f7700c1192b3cc941169d7701

    • SHA256

      4c93b44d1550229fd328c058fbbfe44999ba01e2766b4d3df17c777ce643925e

    • SHA512

      6a19f30f3eca499e14ab97c5055420cc352852b9e5caeeaf016cd6c707dee6837b92bd7a49e7ca288e391205f3ae0786f43a4fef1ca01e5829594edfe60108cd

    • SSDEEP

      6144:RFCE/UVPy/oCa+LDZWC9z52oMbWknq1dissN:zCzPygCa+DZunq1cd

    Score
    10/10
    limeratdefense_evasionevasionexecutionimpactransomwarerattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • LimeRAT

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

      ratlimerat

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Modifies security service

      evasion

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Direct Volume Access

1
T1006

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

3
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks