Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25/07/2024, 07:34
Behavioral task
behavioral1
Sample
2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe
Resource
win7-20240705-en
windows7-x64
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
22 signatures
150 seconds
General
-
Target
2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe
-
Size
924KB
-
MD5
995bb40bd1e676972428beb4a9cf7f96
-
SHA1
49ee1caa2fdeaf62ed60f61765f0bf3ac4ef040d
-
SHA256
fdfafaefbc9aa35dea9698a3f95b7c78977c0e3e5ab24e1728cd01f276a8c666
-
SHA512
30b57dda8b472810e2765634b444a792658e95ddd03d7ca33cd3776a3187787cb321d71f7114a0cd803ead5d8d85ef114b147a632aea613a438f3a0ee25ec579
-
SSDEEP
12288:B0u0frNC1YM8A/hZA4C81uCpGotomst1MAvDHeDW4Xyyvms6DKtVog/aLYkTIAt2:BuTwNmEaEZ
Malware Config
Extracted
Path
C:\Users\Admin\Documents\OceanCorp.txt
Ransom Note
----> OceanSpy Ransomware, Game Project from OceanCorp Team <----
All of your files have been encrypted and you won't
be able to decrypt / Restore them without our help
How To Restore Files?
You need to buy our special decryption key with Bitcoin to decrypt all your system!
How To Get Bitcoin?
This is different beetween countries, you can make google search to look what's the available platforms at your country.
Many of our customers have reported these sites to be fast and reliable:
OKX - https://www.okx.com
Coinmama - https://www.coinmama.com
Bitpanda - htps://www.bitpanda.com
Want to be sure before you pay we can decrypt your files?
You can contact us on telegram and send us 1 file, and we will decrypt it for you.
Telegram: [ @OceanCorpBot ]
Payment information Amount: 0.015 BTC
Bitcoin Address: bc1qu34mwa42deh3zl359q3l2wrvh2g5fgwj7vz4re
After you pay, please contact us on telegram [ @OceanCorpBot ] and send us the Transaction ID to get your Decryption key.
Kind Regards
dwShark
URLs
https://www.okx.com
https://www.coinmama.com
Signatures
-
Chaos
Ransomware family first seen in June 2021.
-
Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/2996-0-0x0000000000880000-0x000000000096E000-memory.dmp family_chaos behavioral2/files/0x00060000000229a0-6.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 3248 bcdedit.exe 4228 bcdedit.exe -
pid Process 400 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OceanCorp.txt svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 4988 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2636447293-1148739154-93880854-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\m1hhfjsmv.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4688 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2124 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4988 svchost.exe -
Suspicious behavior: EnumeratesProcesses 53 IoCs
pid Process 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe 4988 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe Token: SeDebugPrivilege 4988 svchost.exe Token: SeBackupPrivilege 4808 vssvc.exe Token: SeRestorePrivilege 4808 vssvc.exe Token: SeAuditPrivilege 4808 vssvc.exe Token: SeIncreaseQuotaPrivilege 4448 WMIC.exe Token: SeSecurityPrivilege 4448 WMIC.exe Token: SeTakeOwnershipPrivilege 4448 WMIC.exe Token: SeLoadDriverPrivilege 4448 WMIC.exe Token: SeSystemProfilePrivilege 4448 WMIC.exe Token: SeSystemtimePrivilege 4448 WMIC.exe Token: SeProfSingleProcessPrivilege 4448 WMIC.exe Token: SeIncBasePriorityPrivilege 4448 WMIC.exe Token: SeCreatePagefilePrivilege 4448 WMIC.exe Token: SeBackupPrivilege 4448 WMIC.exe Token: SeRestorePrivilege 4448 WMIC.exe Token: SeShutdownPrivilege 4448 WMIC.exe Token: SeDebugPrivilege 4448 WMIC.exe Token: SeSystemEnvironmentPrivilege 4448 WMIC.exe Token: SeRemoteShutdownPrivilege 4448 WMIC.exe Token: SeUndockPrivilege 4448 WMIC.exe Token: SeManageVolumePrivilege 4448 WMIC.exe Token: 33 4448 WMIC.exe Token: 34 4448 WMIC.exe Token: 35 4448 WMIC.exe Token: 36 4448 WMIC.exe Token: SeIncreaseQuotaPrivilege 4448 WMIC.exe Token: SeSecurityPrivilege 4448 WMIC.exe Token: SeTakeOwnershipPrivilege 4448 WMIC.exe Token: SeLoadDriverPrivilege 4448 WMIC.exe Token: SeSystemProfilePrivilege 4448 WMIC.exe Token: SeSystemtimePrivilege 4448 WMIC.exe Token: SeProfSingleProcessPrivilege 4448 WMIC.exe Token: SeIncBasePriorityPrivilege 4448 WMIC.exe Token: SeCreatePagefilePrivilege 4448 WMIC.exe Token: SeBackupPrivilege 4448 WMIC.exe Token: SeRestorePrivilege 4448 WMIC.exe Token: SeShutdownPrivilege 4448 WMIC.exe Token: SeDebugPrivilege 4448 WMIC.exe Token: SeSystemEnvironmentPrivilege 4448 WMIC.exe Token: SeRemoteShutdownPrivilege 4448 WMIC.exe Token: SeUndockPrivilege 4448 WMIC.exe Token: SeManageVolumePrivilege 4448 WMIC.exe Token: 33 4448 WMIC.exe Token: 34 4448 WMIC.exe Token: 35 4448 WMIC.exe Token: 36 4448 WMIC.exe Token: SeBackupPrivilege 1880 wbengine.exe Token: SeRestorePrivilege 1880 wbengine.exe Token: SeSecurityPrivilege 1880 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2996 wrote to memory of 4988 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 89 PID 2996 wrote to memory of 4988 2996 2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe 89 PID 4988 wrote to memory of 4160 4988 svchost.exe 96 PID 4988 wrote to memory of 4160 4988 svchost.exe 96 PID 4160 wrote to memory of 4688 4160 cmd.exe 98 PID 4160 wrote to memory of 4688 4160 cmd.exe 98 PID 4160 wrote to memory of 4448 4160 cmd.exe 101 PID 4160 wrote to memory of 4448 4160 cmd.exe 101 PID 4988 wrote to memory of 1960 4988 svchost.exe 102 PID 4988 wrote to memory of 1960 4988 svchost.exe 102 PID 1960 wrote to memory of 3248 1960 cmd.exe 104 PID 1960 wrote to memory of 3248 1960 cmd.exe 104 PID 1960 wrote to memory of 4228 1960 cmd.exe 105 PID 1960 wrote to memory of 4228 1960 cmd.exe 105 PID 4988 wrote to memory of 4092 4988 svchost.exe 106 PID 4988 wrote to memory of 4092 4988 svchost.exe 106 PID 4092 wrote to memory of 400 4092 cmd.exe 108 PID 4092 wrote to memory of 400 4092 cmd.exe 108 PID 4988 wrote to memory of 2124 4988 svchost.exe 112 PID 4988 wrote to memory of 2124 4988 svchost.exe 112 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-25_995bb40bd1e676972428beb4a9cf7f96_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4688
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4448
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3248
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4228
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:400
-
-
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\OceanCorp.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2124
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4808
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1880
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4380
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1588
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
924KB
MD5995bb40bd1e676972428beb4a9cf7f96
SHA149ee1caa2fdeaf62ed60f61765f0bf3ac4ef040d
SHA256fdfafaefbc9aa35dea9698a3f95b7c78977c0e3e5ab24e1728cd01f276a8c666
SHA51230b57dda8b472810e2765634b444a792658e95ddd03d7ca33cd3776a3187787cb321d71f7114a0cd803ead5d8d85ef114b147a632aea613a438f3a0ee25ec579
-
Filesize
1KB
MD56f9b7944ea7e3673ce8c80b688da3304
SHA1bcab5884b4003cc590be7f0e790c3aa7cedce002
SHA256b88f67009e798c76966bad77f2acd96f614093cb651ea322bbfeb422fec5b1cd
SHA512200c3af15e3ad1df9c9b6b1e6431ed7dc8302d73be21b512cb6bb082512158e0252656d23a6add65cd0af5bbd235e5e218b660181d3c3c1ddda30450e2120668