Overview

overview

10

Static

static

10

d595339cbb...in.exe

windows7_x64

10

d595339cbb...in.exe

windows10_x64

10

Sharing

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General

  • Target

    d595339cbbf415eca195eb3a0d9a8b6c9ff82a0cf36e4e867f5cef24503bb532.bin

  • Size

    669KB

  • Sample

    210808-f7ja543gzx

  • MD5

    45de70c85ece8763c685808eea085df4

  • SHA1

    c9dd5313a661fd17b154ccb17a36e8399fc933a5

  • SHA256

    d595339cbbf415eca195eb3a0d9a8b6c9ff82a0cf36e4e867f5cef24503bb532

  • SHA512

    03a1d922711db1afc0a512151371c9a97a7478578c11591109537b1427aeac8b3ac44aa52c83439afe56e20134fd888bcaee1632f6046ce8edf0d99622fb362d

Score
10/10
medusalockerevasionransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      d595339cbbf415eca195eb3a0d9a8b6c9ff82a0cf36e4e867f5cef24503bb532.bin

    • Size

      669KB

    • MD5

      45de70c85ece8763c685808eea085df4

    • SHA1

      c9dd5313a661fd17b154ccb17a36e8399fc933a5

    • SHA256

      d595339cbbf415eca195eb3a0d9a8b6c9ff82a0cf36e4e867f5cef24503bb532

    • SHA512

      03a1d922711db1afc0a512151371c9a97a7478578c11591109537b1427aeac8b3ac44aa52c83439afe56e20134fd888bcaee1632f6046ce8edf0d99622fb362d

    Score
    10/10
    medusalockerevasionransomwarespywarestealertrojan

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

      ransomwaremedusalocker

    • MedusaLocker Payload

    • UAC bypass

      evasiontrojan

    • 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.

      spywarestealer

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

File Deletion

2
T1107

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks