Overview

overview

10

Static

static

3

lime.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    lime.ndll

  • Size

    7.8MB

  • Sample

    240717-fjrtkswfrp

  • MD5

    10c074a00debe4a97608e78cb36247ab

  • SHA1

    779125eb7faef7e549eff67eeb55c177a8dfbc70

  • SHA256

    2c1d1c6cc6fea441623d1cdc663656f171fa66d92809a157915c2ada06a121cf

  • SHA512

    86080ba0ad936148f46f3cc56c8b5c474c72b9089657e7bd21286a2a2114eb07f20870e0dd96318685024ab929d17a382529c383049b7bd056553c4565473485

  • SSDEEP

    98304:z0A/ndXX+HO+M16KrdFLJRzdfiHy4AyBS6iHIA198:z0wXX+Hc1nrtRgz

Score
10/10
chaosdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      lime.ndll

    • Size

      7.8MB

    • MD5

      10c074a00debe4a97608e78cb36247ab

    • SHA1

      779125eb7faef7e549eff67eeb55c177a8dfbc70

    • SHA256

      2c1d1c6cc6fea441623d1cdc663656f171fa66d92809a157915c2ada06a121cf

    • SHA512

      86080ba0ad936148f46f3cc56c8b5c474c72b9089657e7bd21286a2a2114eb07f20870e0dd96318685024ab929d17a382529c383049b7bd056553c4565473485

    • SSDEEP

      98304:z0A/ndXX+HO+M16KrdFLJRzdfiHy4AyBS6iHIA198:z0wXX+Hc1nrtRgz

    Score
    10/10
    chaosdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

5
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks