infinitylock | hxxps://files[.]multimc[.]org/downloads/mmc-develop-win32[.]zip | Triage

Resubmissions

17-12-2024 13:27

241217-qqcy4s1mhk 10

17-12-2024 13:19

241217-qkp2gsznft 7

17-12-2024 13:14

241217-qgv4bsznat 7

17-12-2024 13:06

241217-qb3k8azlh1 4

Sharing

General

Target

https://files.multimc.org/downloads/mmc-develop-win32.zip
Sample

241217-qqcy4s1mhk

Score

10^/10

infinitylock discovery evasion persistence ransomware spyware stealer trojan

Malware Config

Targets

- Target
  
  https://files.multimc.org/downloads/mmc-develop-win32.zip
Score

10^/10

infinitylock discovery evasion persistence ransomware spyware stealer trojan
- InfinityLock Ransomware
  Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
  ransomware infinitylock
- Infinitylock family
  infinitylock
- Modifies visibility of file extensions in Explorer
  evasion
- UAC bypass
  evasion trojan
- Renames multiple (66) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Executes dropped EXE
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Abuse Elevation Control Mechanism

Bypass User Account Control

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Abuse Elevation Control Mechanism

Bypass User Account Control

Hide Artifacts

Hidden Files and Directories

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Web Service

Exfiltration

Impact

Tasks

static1

urlscan1

behavioral1

infinitylockdiscoveryevasionpersistenceransomwarespywarestealertrojan