Overview

overview

10

Static

static

10

ccc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ccc.exe

  • Size

    239KB

  • Sample

    240618-zrnlnswerh

  • MD5

    161cd662c124f1408ccbd57a752a8d5f

  • SHA1

    7baad97316f0cbf1b35d9b0b2b3a8d19da852d41

  • SHA256

    61c5f76ed94eb63ad3a50b8225f2e795c7c6461e5f40bacb4ad8cadab276748e

  • SHA512

    ea72216157d4d502febc230700f4fd4279d7aab469a3b44cbafc99730df9431cbb9f64d0ab3e9d239a4faa869aa055a06198622b07a1f0408cfebdc9e23b20ac

  • SSDEEP

    6144:UCoE/UVPy/oCa+LDZWC9z5UNbbH5knq1diOJN:PozPygCa+DZMGnq1c8

Score
10/10
limeratdefense_evasionevasionexecutionimpactpersistenceransomwarerattrojan

Malware Config

Extracted

Family

limerat

Wallets

False

Attributes
  • aes_key

    1

  • antivm

    false

  • c2_url

    https://pastebin.com/Fe5fxpeZ

  • download_payload

    false

  • install

    true

  • install_name

    svchost.exe

  • main_folder

    True

  • payload_url

    True

  • pin_spread

    true

  • sub_folder

    False

  • usb_spread

    false

Extracted

Credentials

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

Targets

    • Target

      ccc.exe

    • Size

      239KB

    • MD5

      161cd662c124f1408ccbd57a752a8d5f

    • SHA1

      7baad97316f0cbf1b35d9b0b2b3a8d19da852d41

    • SHA256

      61c5f76ed94eb63ad3a50b8225f2e795c7c6461e5f40bacb4ad8cadab276748e

    • SHA512

      ea72216157d4d502febc230700f4fd4279d7aab469a3b44cbafc99730df9431cbb9f64d0ab3e9d239a4faa869aa055a06198622b07a1f0408cfebdc9e23b20ac

    • SSDEEP

      6144:UCoE/UVPy/oCa+LDZWC9z5UNbbH5knq1diOJN:PozPygCa+DZMGnq1c8

    Score
    10/10
    limeratdefense_evasionevasionexecutionimpactpersistenceransomwarerattrojan

    • 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 WinLogon for persistence

      persistence

    • 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
    behavioral1

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

Boot or Logon Autostart Execution

1
T1547

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

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

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

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

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks