medusalocker | ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74 | Triage

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Overview

overview

Static

static

ef1318ede7...74.exe

windows7_x64

ef1318ede7...74.exe

windows10_x64

Sharing

General

Target

ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74
Size

669KB
Sample

210831-k3mv7a5fhs
MD5

908e3b6aab0126ef4efcdc8c4805abd7
SHA1

2a9ac8a2a940e537a12ab17720b95d93815849ce
SHA256

ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74
SHA512

5006de1927f645826e033621540bf40ef26b018dbb17a055d1d2a7bf1d55439e0394354a06cad1e3efc9bfa3606a237f62b63d7051abab34f04bfcdd65c36438

Score

10^/10

medusalocker evasion ransomware spyware stealer trojan

Static task

static1

Behavioral task

behavioral1

Sample

ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74.exe

Resource

win7v20210408

medusalocker evasion ransomware spyware stealer trojan

windows7_x64

0 signatures

0 seconds

Behavioral task

behavioral2

Sample

ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74.exe

Resource

win10v20210408

medusalocker evasion ransomware spyware stealer trojan

windows10_x64

0 signatures

0 seconds

Malware Config

Targets

- Target
  
  ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74
- Size
  
  669KB
- MD5
  
  908e3b6aab0126ef4efcdc8c4805abd7
- SHA1
  
  2a9ac8a2a940e537a12ab17720b95d93815849ce
- SHA256
  
  ef1318ede7ab1a8e851f0e052630615daa5ad45002536b295763466d234b4e74
- SHA512
  
  5006de1927f645826e033621540bf40ef26b018dbb17a055d1d2a7bf1d55439e0394354a06cad1e3efc9bfa3606a237f62b63d7051abab34f04bfcdd65c36438
Score

10^/10

medusalocker evasion ransomware spyware stealer trojan
- MedusaLocker
  Ransomware with several variants first seen in September 2019.
  ransomware medusalocker
- MedusaLocker Payload
- UAC bypass
  evasion trojan
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Checks whether UAC is enabled
  evasion trojan
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

Defense Evasion

Bypass User Account Control

Disabling Security Tools

File Deletion

Modify Registry

Credential Access

Credentials in Files

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

medusalockerevasionransomwarespywarestealertrojan

behavioral2

medusalockerevasionransomwarespywarestealertrojan

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