Overview

overview

10

Static

static

10

XClient.exe

windows10-1703-x64

10

XClient.exe

windows10-2004-x64

XClient.exe

windows11-21h2-x64

Resubmissions

04-08-2024 11:35

240804-nqcl8sycrd 10

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General

  • Target

    XClient.exe

  • Size

    61KB

  • Sample

    240804-nqcl8sycrd

  • MD5

    d32248d4b7834bbe4310a9bac11968ee

  • SHA1

    b4d455bcb0c49520cfaae79321ebd2e50bd60ec6

  • SHA256

    13e0f289871d5fdb46d212725c9b13d3ab9c5012480c7cf4dd3a6708f0c3c908

  • SHA512

    70d15f6c89705484523a68267fe9765a15c437f4384ddbfa922b8a52f82e94cb53673c415f68bb42df76d3326b95dbfa4b407a1913bb9cec536ebbb6863c5f50

  • SSDEEP

    1536:zhlXi9DkMS27xQz1AOmfkbWzOhcRsUXjIOJHujn:zLy6MDu1xmkbWaalcOJH0

Score
10/10
wannacryxwormaspackv2defense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarerattrojanupxworm

Malware Config

Extracted

Family

xworm

C2

tree-cleaning.gl.at.ply.gg:33027

hard-tyler.gl.at.ply.gg:27490
Attributes
  • install_file

    USB.exe

Extracted

Path

C:\Users\Admin\AppData\Roaming\@[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

Extracted

Path

C:\g1rFryAhrVg2xrt\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\Roaming\!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

Targets

    • Target

      XClient.exe

    • Size

      61KB

    • MD5

      d32248d4b7834bbe4310a9bac11968ee

    • SHA1

      b4d455bcb0c49520cfaae79321ebd2e50bd60ec6

    • SHA256

      13e0f289871d5fdb46d212725c9b13d3ab9c5012480c7cf4dd3a6708f0c3c908

    • SHA512

      70d15f6c89705484523a68267fe9765a15c437f4384ddbfa922b8a52f82e94cb53673c415f68bb42df76d3326b95dbfa4b407a1913bb9cec536ebbb6863c5f50

    • SSDEEP

      1536:zhlXi9DkMS27xQz1AOmfkbWzOhcRsUXjIOJHujn:zLy6MDu1xmkbWaalcOJH0

    Score
    10/10
    xwormdiscoveryrattrojanwannacryaspackv2defense_evasionevasionexecutionimpactpersistenceransomwareupxworm

    • Detect Xworm Payload

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Modifies Windows Firewall

      evasion

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

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

      defense_evasion

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Direct Volume Access

1
T1006

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks