Overview

overview

10

Static

static

1

mamma.gif

windows10-1703-x64

10

mamma.gif

windows10-2004-x64

1

mamma.gif

windows11-21h2-x64

1

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General

  • Target

    mamma.gif

  • Size

    226KB

  • Sample

    240921-pxhmhaseng

  • MD5

    ea0ca0cba708ed0e260ec1dfd2233b92

  • SHA1

    baf44bc5895daf29249e1c601d2afdb10f0808dc

  • SHA256

    43eca65abc9305149dcd29d3e921dcec5513f1430ba13e0d8b1b1b23c6a8f8a0

  • SHA512

    2cf29f21230b5ccff98a7d37e7198235bb1a89836f9b34911803c746e466d55ec0762a716ab73917b9b6bb0897f984bdfdea14a84d9387ae4f7e7245c3ab1a0c

  • SSDEEP

    6144:GjImTcNhzFnerTZZ3YEzjhcksa4jNotiZacNt:OImoj5erj3jhcba4jJNt

Score
10/10
dharmafantomaspackv2credential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>IZxqkWDPYVYxx4ByNxkMELqKmC6ykUk6dggjZceIcsGPg/TswvUilbwqVqZZ6fX7xf877lM52wTALpje6oovhTw1VtkfMW7eRmX7JEpGvO1pNVi41kCOysPhKKOPw22R5sUnQf4PJQG2mM9RilfUkijDf6b5OA4zZR6K+U5hG6li3lPt+tdYsN6rGXTzR59DaFBQ+23J9MaZeaVi7Jl4pCP2Gcfr9I6fDz1wFHDJoQpzIjj3MzagfTWL1aLxjU9L0wfty0IndojD1E5BuPYEg1cXRNQB7WxQ/RTQe/ZIGQfAeuZqDMNCJV3ghLKPHCog/NtT+ihw+VrhKZvuBO2oQg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      mamma.gif

    • Size

      226KB

    • MD5

      ea0ca0cba708ed0e260ec1dfd2233b92

    • SHA1

      baf44bc5895daf29249e1c601d2afdb10f0808dc

    • SHA256

      43eca65abc9305149dcd29d3e921dcec5513f1430ba13e0d8b1b1b23c6a8f8a0

    • SHA512

      2cf29f21230b5ccff98a7d37e7198235bb1a89836f9b34911803c746e466d55ec0762a716ab73917b9b6bb0897f984bdfdea14a84d9387ae4f7e7245c3ab1a0c

    • SSDEEP

      6144:GjImTcNhzFnerTZZ3YEzjhcksa4jNotiZacNt:OImoj5erj3jhcba4jJNt

    Score
    10/10
    dharmafantomaspackv2credential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

      ransomwarefantom

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (462) files with added filename extension

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

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

3
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

1
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

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

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Tasks