wannacry | 1665694f0fa0461f34dee6ada7abd00e56c13405b942cead3a65feabf44b07fc

General

Target

2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
Size

260KB
MD5

b54375863d3a8947d39f959af777440a
SHA1

57f6aab0f117546bee9a370f7ed391635fc4124f
SHA256

1665694f0fa0461f34dee6ada7abd00e56c13405b942cead3a65feabf44b07fc
SHA512

2c446c0e2d90ba7fbd19cf0b17bc1aa1058e5a8f30fef595b88544920f271633d5eb9d9cd318f6174b1f0ece1d90c92e82d770d8e45f06957c863d9930c663ac
SSDEEP

3072:+mrhd5U1eigWcR+uiUg6p4FLlG4tlL8z+mmCeHFZjoHEo3NGCH:+Ed5+IZiZhLlG4AimmCC

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

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\OxKluLWL.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

OxKluLWL.exe

pid process

3068 OxKluLWL.exe
Loads dropped DLL 2 IoCs

Processes:

2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

pid process

2228 2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
2228 2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

pid	process
3068	OxKluLWL.exe

pid	process
2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

Drops file in Program Files directory 64 IoCs

Processes:

OxKluLWL.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	OxKluLWL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	OxKluLWL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	OxKluLWL.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

Processes:

2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exeOxKluLWL.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OxKluLWL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

pid process

2228 2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
2228 2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

pid	process
2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exeOxKluLWL.exe

description	pid	process	target process
PID 2228 wrote to memory of 3068	2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe	OxKluLWL.exe
PID 2228 wrote to memory of 3068	2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe	OxKluLWL.exe
PID 2228 wrote to memory of 3068	2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe	OxKluLWL.exe
PID 2228 wrote to memory of 3068	2228	2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe	OxKluLWL.exe
PID 3068 wrote to memory of 2864	3068	OxKluLWL.exe	cmd.exe
PID 3068 wrote to memory of 2864	3068	OxKluLWL.exe	cmd.exe
PID 3068 wrote to memory of 2864	3068	OxKluLWL.exe	cmd.exe
PID 3068 wrote to memory of 2864	3068	OxKluLWL.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-26_b54375863d3a8947d39f959af777440a_wannacry_wapomi.exe"
1⤵
- Loads dropped DLL
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\OxKluLWL.exe
C:\Users\Admin\AppData\Local\Temp\OxKluLWL.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\39522ded.bat" "
3⤵
- System Location Discovery: System Language Discovery
PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

C:\Users\Admin\AppData\Local\Temp\39522ded.bat

Filesize
191B

MD5
4180ec332322c83acb42c3258d2f356a

SHA1
dfe622bd51b0311ce6563b2dbe0bef17754b542e

SHA256
db0683d4022cc06246d6a2826263d7d8c4cca3535a4183e2be87b25c9c308605

SHA512
5a40e085d7dcdfdebb9d14f7f4f952eeddc13ee55c22f108c33c7ab4c8558d65a6601fbc12c7aa2f6f5691d86a666fbfd997ace2bd5b5553adefad67a838931f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6BD30B58.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
\Users\Admin\AppData\Local\Temp\OxKluLWL.exe

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/2228-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-10-0x00000000002F0000-0x00000000002F9000-memory.dmp

Filesize
36KB

Download
memory/2228-9-0x00000000002F0000-0x00000000002F9000-memory.dmp

Filesize
36KB

Download
memory/2228-56-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3068-11-0x0000000000C50000-0x0000000000C59000-memory.dmp

Filesize
36KB

Download
memory/3068-54-0x0000000000C50000-0x0000000000C59000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads