Overview

overview

10

Static

static

10

Client-built.exe

windows11-21h2-x64

10

Resubmissions

03-02-2025 17:12

250203-vqyb9syqfp 10

01-02-2025 09:56

250201-lysx3sxjhz 10

01-02-2025 08:29

250201-kdnbesxlak 10

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General

  • Target

    Client-built.exe

  • Size

    78KB

  • Sample

    250201-lysx3sxjhz

  • MD5

    c5fe943c63dffbd58b0f61b70ce570e3

  • SHA1

    1e0385df0eeb6078a04607866cdd0adf47646521

  • SHA256

    3fcfc7ed8a9fe616540b4e12926021b8ee515879f555a1e697961483bccb4fa5

  • SHA512

    b961ccb840443f5eb78fefa5417e22796f6e0b7272788b8fcdc6abd57262a1c2b4357050171a70af2b0e5d30a1849b081020f3498ab07e50aacbf9f60c32114b

  • SSDEEP

    1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+RPIC:5Zv5PDwbjNrmAE+BIC

Score
10/10
discordratwannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareratrootkitspywarestealertrojanupxworm

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMzNDg2ODQ0OTQ4MjI0ODI1NA.GmvrOG.IWZ9BB6ZJ0i5ytcVVC-P4pzKCiMdbTruowhj90

  • server_id

    1335159502953254943

Extracted

Path

C:\Users\Admin\README_HOW_TO_UNLOCK.TXT

Ransom Note
YOUR FILE HAS BEEN LOCKED In order to unlock your files, follow the instructions bellow: 1. Download and install Tor Browser 2. After a successful installation, run Tor Browser and wait for its initialization. 3. Type in the address bar: http://zvnvp2rhe3ljwf2m.onion 4. Follow the instructions on the site.
URLs

http://zvnvp2rhe3ljwf2m.onion

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_The-MALWARE-Repo-master (1).zip\The-MALWARE-Repo-master\Ransomware\!Please Read Me!.txt

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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_The-MALWARE-Repo-master (1).zip\The-MALWARE-Repo-master\Ransomware\@[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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target

      Client-built.exe

    • Size

      78KB

    • MD5

      c5fe943c63dffbd58b0f61b70ce570e3

    • SHA1

      1e0385df0eeb6078a04607866cdd0adf47646521

    • SHA256

      3fcfc7ed8a9fe616540b4e12926021b8ee515879f555a1e697961483bccb4fa5

    • SHA512

      b961ccb840443f5eb78fefa5417e22796f6e0b7272788b8fcdc6abd57262a1c2b4357050171a70af2b0e5d30a1849b081020f3498ab07e50aacbf9f60c32114b

    • SSDEEP

      1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+RPIC:5Zv5PDwbjNrmAE+BIC

    Score
    10/10
    discordratwannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareratrootkitspywarestealertrojanupxworm

    • Discord RAT

      A RAT written in C# using Discord as a C2.

      stealerrootkitratpersistencediscordrat

    • Discordrat family

      discordrat

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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 (58) files with added filename extension

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

      ransomware

    • 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

    • Blocklisted process makes network request

    • 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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    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

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Direct Volume Access

1
T1006

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

7
T1112

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

1
T1120

Query Registry

3
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

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Tasks