medusalocker | a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212 | Triage

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Overview

overview

Static

static

a25c022772...in.exe

windows7_x64

a25c022772...in.exe

windows10_x64

Sharing

General

Target

a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212.bin
Size

678KB
Sample

210808-a8pm3k2lja
MD5

ff1b2e9d3e7af50b302b090a15d15c76
SHA1

3bae4caa7c4ecca659aec342472fe49b3c0b2131
SHA256

a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212
SHA512

d3527aa4e7d4a8fbd0565ea8c0d26dc7e9ff0f294efa5260b9e964e5943782eb697b964cb684ad9008a717b93cfd120ec1337acb0ecbefef0931313f7b88e881

Score

10^/10

medusalocker evasion ransomware spyware stealer trojan

Static task

static1

Behavioral task

behavioral1

Sample

a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212.bin.exe

Resource

win7v20210408

medusalocker evasion ransomware spyware stealer trojan

windows7_x64

0 signatures

0 seconds

Behavioral task

behavioral2

Sample

a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212.bin.exe

Resource

win10v20210410

medusalocker evasion ransomware spyware stealer trojan

windows10_x64

0 signatures

0 seconds

Malware Config

Targets

- Target
  
  a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212.bin
- Size
  
  678KB
- MD5
  
  ff1b2e9d3e7af50b302b090a15d15c76
- SHA1
  
  3bae4caa7c4ecca659aec342472fe49b3c0b2131
- SHA256
  
  a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212
- SHA512
  
  d3527aa4e7d4a8fbd0565ea8c0d26dc7e9ff0f294efa5260b9e964e5943782eb697b964cb684ad9008a717b93cfd120ec1337acb0ecbefef0931313f7b88e881
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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