wannacry | a825134682bf664ec94c05d713f163e8b0f15dde1153ee0bde014dd85e81bf83

Analysis

max time kernel
135s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 21:48

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General

Target

2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe
Size

260KB
MD5

3688bca6ac228cb3e94eea3d1072f3c8
SHA1

90061947bb5dae294351a3e7c2fd44d4a8266493
SHA256

a825134682bf664ec94c05d713f163e8b0f15dde1153ee0bde014dd85e81bf83
SHA512

7c26c8d0bade86e1229fbac4ebcd8419f23e68c8a552e3e1c314a620cae654bd502c15f81c6ba4d50aa9a6d08b9bf61fca2ee5518cfb5f91dcada31c77c14b5d
SSDEEP

3072:+mrhd5U1eigWcR+uiUg6p4FLlG4tlL8z+mmCeHFZjoHEo30GCH:+Ed5+IZiZhLlG4AimmC7

Score

10^/10

wannacry aspackv2 discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000900000002290a-3.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	UVpxrh.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	UVpxrh.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{CEF7DB4F-2246-44A3-A17E-9C5870D211DB}\chrome_installer.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.106\chrome_installer.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\chrmstp.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.106\notification_helper.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	UVpxrh.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	UVpxrh.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	UVpxrh.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UVpxrh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4932	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe
4932	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2196	4932	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe	84
PID 4932 wrote to memory of 2196	4932	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe	84
PID 4932 wrote to memory of 2196	4932	2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe	84
PID 2196 wrote to memory of 3596	2196	UVpxrh.exe	89
PID 2196 wrote to memory of 3596	2196	UVpxrh.exe	89
PID 2196 wrote to memory of 3596	2196	UVpxrh.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-26_3688bca6ac228cb3e94eea3d1072f3c8_wannacry_wapomi.exe"
1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\UVpxrh.exe
  C:\Users\Admin\AppData\Local\Temp\UVpxrh.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0f9c0fd7.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact