medusalocker | f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31 | Triage

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Overview

overview

9

Static

static

f5fb7fa523...in.exe

windows7_x64

9

f5fb7fa523...in.exe

windows10_x64

9

Sharing

General

Target

f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31.bin
Size

1.2MB
Sample

210808-7flgthznfj
MD5

6f21a85894e91b7082407e08e7c231c8
SHA1

f576ed4ae101088abcb2b6b9b0649b972b023546
SHA256

f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31
SHA512

deada7181f11badc0d64d1cab50951eab6472c178382b2ceff52a8aae447578a97f640e4a74b34889146df7c435a2a29f72f140e50f8345543ef422e4cd41a44

Score

10^/10

medusalocker evasion persistence ransomware spyware stealer

Static task

static1

Behavioral task

behavioral1

Sample

f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31.bin.exe

Resource

win7v20210410

evasion persistence ransomware spyware stealer

windows7_x64

0 signatures

0 seconds

Behavioral task

behavioral2

Sample

f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31.bin.exe

Resource

win10v20210408

evasion persistence ransomware spyware stealer

windows10_x64

0 signatures

0 seconds

Malware Config

Targets

- Target
  
  f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31.bin
- Size
  
  1.2MB
- MD5
  
  6f21a85894e91b7082407e08e7c231c8
- SHA1
  
  f576ed4ae101088abcb2b6b9b0649b972b023546
- SHA256
  
  f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31
- SHA512
  
  deada7181f11badc0d64d1cab50951eab6472c178382b2ceff52a8aae447578a97f640e4a74b34889146df7c435a2a29f72f140e50f8345543ef422e4cd41a44
Score

9^/10

evasion persistence ransomware spyware stealer
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Deletes System State backups
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Drops file in Drivers directory
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Deletes itself
- 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
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

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

evasionpersistenceransomwarespywarestealer

behavioral2

evasionpersistenceransomwarespywarestealer

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