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Overview

overview

10

Static

static

3

3a6d5694ee...da.exe

windows10-2004-x64

10

3a6d5694ee...da.exe

windows10-ltsc 2021-x64

10

3a6d5694ee...da.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    21079256090.zip

  • Size

    319KB

  • Sample

    250203-kkm91awmhx

  • MD5

    713ef833abefc1316d7b14bd7a31a377

  • SHA1

    f27a3e506d1f071c1517fa03050ecf355006b1ef

  • SHA256

    078db298573943f3a52a21706f1a5e0bea2a577bd886eef754ae15fb72fe3557

  • SHA512

    681a7119a3d734fff89fb5d102a5c913aba9e57b3264156529a8c53d332db4ccfbba856cdedf1e57c75a12b48b09fc89c000c6a8417ff69f85d986ea9edcbccc

  • SSDEEP

    6144:M20UNWg36YNdvdTCYkuSW0xBJhQ705RIEmDJYc85DX:MPKdrjvdeYkuKjD115j

Score
10/10
medusaransomwarecredential_accessdiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      3a6d5694eec724726efa3327a50fad3efdc623c08d647b51e51cd578bddda3da

    • Size

      624KB

    • MD5

      a6980e543efa40771ed1dcf84b29d732

    • SHA1

      6586b2155afa5d7cda5cd3f8a7af37c4fe126a1d

    • SHA256

      3a6d5694eec724726efa3327a50fad3efdc623c08d647b51e51cd578bddda3da

    • SHA512

      d1ca8724c8879442907b7e45b59b954100ada37e036aa17496920a9783eb0738ff51831854acc8cafd805c116bfea47a903270fec74949f10b36eddf971ac06f

    • SSDEEP

      12288:/ktG6SXJb0DdQ0k0HGzZbkh0wchQ5HYaIhadnR/t256S5AA2Ltyaxn1gUEEkfTSX:kS9JmVSvGWEAng/qwnYPRslWPLu1

    Score
    10/10
    medusaransomwarecredential_accessdiscoverypersistenceransomwarespywarestealer

    • Medusa Ransomware

      Ransomware first identified in 2022 that is distinct from the similarly named ransomware family MedusaLocker.

      ransomwaremedusaransomware

    • Medusaransomware family

      medusaransomware

    • Renames multiple (8809) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Network Share Discovery

1
T1135

Peripheral Device Discovery

2
T1120

Query Registry

5
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks