Overview

overview

10

Static

static

6

HappyMod-3-1-5.apk

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    HappyMod-3-1-5.apk

  • Size

    17.4MB

  • Sample

    250201-yx5ayaznbq

  • MD5

    0ef4f4f011c3e16e18b18584d2f40393

  • SHA1

    d4a1292884579509009f85fbe480e819f4e103a9

  • SHA256

    a7e864470fc10ae55241364ce076007552af9673177e15caf4c20062bfc7339a

  • SHA512

    a85a12907e4a3b5bae1d80771817798c123688c2b4fc1945efdb65ff9d1ad4168186add6c55ae4ade9a969c9e0f67cab2672031aafbaca76386e74357211636b

  • SSDEEP

    393216:zp0TcbMT8whcEb7NqnKdzbspDNx4GhY6qqoe2w+FCropPvAUqfE:zacQTvcEUnKRwMGm6qqf0CkpQUqfE

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealertrojanworm

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      HappyMod-3-1-5.apk

    • Size

      17.4MB

    • MD5

      0ef4f4f011c3e16e18b18584d2f40393

    • SHA1

      d4a1292884579509009f85fbe480e819f4e103a9

    • SHA256

      a7e864470fc10ae55241364ce076007552af9673177e15caf4c20062bfc7339a

    • SHA512

      a85a12907e4a3b5bae1d80771817798c123688c2b4fc1945efdb65ff9d1ad4168186add6c55ae4ade9a969c9e0f67cab2672031aafbaca76386e74357211636b

    • SSDEEP

      393216:zp0TcbMT8whcEb7NqnKdzbspDNx4GhY6qqoe2w+FCropPvAUqfE:zacQTvcEUnKRwMGm6qqf0CkpQUqfE

    Score
    10/10
    wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealertrojanworm

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • Modifies visiblity of hidden/system files in Explorer

      defense_evasion

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • UAC bypass

      defense_evasiontrojan

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Wannacry family

      wannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (84) 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

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • 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

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Enumerates processes with tasklist

      discovery

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Hide Artifacts

3
T1564

Hidden Files and Directories

3
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

8
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

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

1
T1490

Tasks