Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 11:22
Behavioral task
behavioral1
Sample
2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe
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Size
27KB
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MD5
0819055220e18189f967b22c907dad72
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SHA1
9cb93be06e2c724df92a1dfd89afa33b251b6ace
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SHA256
22468b9bb7f7a28b51d7a5ad91b515529b298da4f6b3c833a0c46c6fc0402d46
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SHA512
61bd0a3154a9b9e9e939ca2212efc40399557d23ca130142bb2a36a3c60aa65d265adc9b4e39dbb54a26659ba03cc0466a4a5b9ccb6c7f483dde8ae713d81734
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SSDEEP
384:itWZPzzxAm1vp5g/3f6UO2r7OUmgAYfdQPFolqOy5o919MroJ82vdQ:n7zxAmpgfn9rEgAYw9ho9juq82u
Malware Config
Extracted
C:\Users\Admin\AppData\Local\read_it.txt
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
resource yara_rule behavioral1/memory/2584-1-0x0000000000850000-0x000000000085E000-memory.dmp family_chaos behavioral1/files/0x000c000000013a7c-6.dat family_chaos behavioral1/memory/2688-8-0x0000000000DC0000-0x0000000000DCE000-memory.dmp family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 3 IoCs
resource yara_rule behavioral1/memory/2584-1-0x0000000000850000-0x000000000085E000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral1/files/0x000c000000013a7c-6.dat INDICATOR_SUSPICIOUS_GENRansomware behavioral1/memory/2688-8-0x0000000000DC0000-0x0000000000DCE000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 3 IoCs
resource yara_rule behavioral1/memory/2584-1-0x0000000000850000-0x000000000085E000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/files/0x000c000000013a7c-6.dat INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/memory/2688-8-0x0000000000DC0000-0x0000000000DCE000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 1892 bcdedit.exe 2780 bcdedit.exe -
pid Process 2296 wbadmin.exe -
Disables Task Manager via registry modification
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2688 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\EQ2PZD61\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\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\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\A9XVYA91\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\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\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\JWM3U1DD\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\BB4W7M7Z\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\2RM92H5V\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6UZVS19T\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\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\Admin\Documents\desktop.ini svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2988 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2736 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2688 svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe 2688 svchost.exe 2688 svchost.exe 2688 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe Token: SeDebugPrivilege 2688 svchost.exe Token: SeBackupPrivilege 2456 vssvc.exe Token: SeRestorePrivilege 2456 vssvc.exe Token: SeAuditPrivilege 2456 vssvc.exe Token: SeIncreaseQuotaPrivilege 2460 WMIC.exe Token: SeSecurityPrivilege 2460 WMIC.exe Token: SeTakeOwnershipPrivilege 2460 WMIC.exe Token: SeLoadDriverPrivilege 2460 WMIC.exe Token: SeSystemProfilePrivilege 2460 WMIC.exe Token: SeSystemtimePrivilege 2460 WMIC.exe Token: SeProfSingleProcessPrivilege 2460 WMIC.exe Token: SeIncBasePriorityPrivilege 2460 WMIC.exe Token: SeCreatePagefilePrivilege 2460 WMIC.exe Token: SeBackupPrivilege 2460 WMIC.exe Token: SeRestorePrivilege 2460 WMIC.exe Token: SeShutdownPrivilege 2460 WMIC.exe Token: SeDebugPrivilege 2460 WMIC.exe Token: SeSystemEnvironmentPrivilege 2460 WMIC.exe Token: SeRemoteShutdownPrivilege 2460 WMIC.exe Token: SeUndockPrivilege 2460 WMIC.exe Token: SeManageVolumePrivilege 2460 WMIC.exe Token: 33 2460 WMIC.exe Token: 34 2460 WMIC.exe Token: 35 2460 WMIC.exe Token: SeIncreaseQuotaPrivilege 2460 WMIC.exe Token: SeSecurityPrivilege 2460 WMIC.exe Token: SeTakeOwnershipPrivilege 2460 WMIC.exe Token: SeLoadDriverPrivilege 2460 WMIC.exe Token: SeSystemProfilePrivilege 2460 WMIC.exe Token: SeSystemtimePrivilege 2460 WMIC.exe Token: SeProfSingleProcessPrivilege 2460 WMIC.exe Token: SeIncBasePriorityPrivilege 2460 WMIC.exe Token: SeCreatePagefilePrivilege 2460 WMIC.exe Token: SeBackupPrivilege 2460 WMIC.exe Token: SeRestorePrivilege 2460 WMIC.exe Token: SeShutdownPrivilege 2460 WMIC.exe Token: SeDebugPrivilege 2460 WMIC.exe Token: SeSystemEnvironmentPrivilege 2460 WMIC.exe Token: SeRemoteShutdownPrivilege 2460 WMIC.exe Token: SeUndockPrivilege 2460 WMIC.exe Token: SeManageVolumePrivilege 2460 WMIC.exe Token: 33 2460 WMIC.exe Token: 34 2460 WMIC.exe Token: 35 2460 WMIC.exe Token: SeBackupPrivilege 1952 wbengine.exe Token: SeRestorePrivilege 1952 wbengine.exe Token: SeSecurityPrivilege 1952 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2584 wrote to memory of 2688 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe 28 PID 2584 wrote to memory of 2688 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe 28 PID 2584 wrote to memory of 2688 2584 2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe 28 PID 2688 wrote to memory of 2744 2688 svchost.exe 29 PID 2688 wrote to memory of 2744 2688 svchost.exe 29 PID 2688 wrote to memory of 2744 2688 svchost.exe 29 PID 2744 wrote to memory of 2988 2744 cmd.exe 31 PID 2744 wrote to memory of 2988 2744 cmd.exe 31 PID 2744 wrote to memory of 2988 2744 cmd.exe 31 PID 2744 wrote to memory of 2460 2744 cmd.exe 34 PID 2744 wrote to memory of 2460 2744 cmd.exe 34 PID 2744 wrote to memory of 2460 2744 cmd.exe 34 PID 2688 wrote to memory of 2736 2688 svchost.exe 36 PID 2688 wrote to memory of 2736 2688 svchost.exe 36 PID 2688 wrote to memory of 2736 2688 svchost.exe 36 PID 2736 wrote to memory of 1892 2736 cmd.exe 38 PID 2736 wrote to memory of 1892 2736 cmd.exe 38 PID 2736 wrote to memory of 1892 2736 cmd.exe 38 PID 2736 wrote to memory of 2780 2736 cmd.exe 39 PID 2736 wrote to memory of 2780 2736 cmd.exe 39 PID 2736 wrote to memory of 2780 2736 cmd.exe 39 PID 2688 wrote to memory of 240 2688 svchost.exe 40 PID 2688 wrote to memory of 240 2688 svchost.exe 40 PID 2688 wrote to memory of 240 2688 svchost.exe 40 PID 240 wrote to memory of 2296 240 cmd.exe 42 PID 240 wrote to memory of 2296 240 cmd.exe 42 PID 240 wrote to memory of 2296 240 cmd.exe 42 PID 2688 wrote to memory of 2736 2688 svchost.exe 48 PID 2688 wrote to memory of 2736 2688 svchost.exe 48 PID 2688 wrote to memory of 2736 2688 svchost.exe 48 -
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.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-15_0819055220e18189f967b22c907dad72_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2988
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2460
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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:2736 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1892
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2780
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2296
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2736
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2292
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1956
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
550B
MD5dd714831267a0f2d3db81e13288a4213
SHA11d204d9f2e69f9dc021f4ba30b40127c558d8202
SHA256ccf932d3dc566971dc03e826ad9ff24b046a56f48bc0dbd1488cb0f3989d2d12
SHA51293cc315dadabd7e9f1e89e4cf3865da7ecd4d7ecdca492bdf7a3fbf9913bfd01a72db1847870772d4d85587ec3bf57f43d0328b11154c656bd07bc0c8ad75366
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Filesize
27KB
MD50819055220e18189f967b22c907dad72
SHA19cb93be06e2c724df92a1dfd89afa33b251b6ace
SHA25622468b9bb7f7a28b51d7a5ad91b515529b298da4f6b3c833a0c46c6fc0402d46
SHA51261bd0a3154a9b9e9e939ca2212efc40399557d23ca130142bb2a36a3c60aa65d265adc9b4e39dbb54a26659ba03cc0466a4a5b9ccb6c7f483dde8ae713d81734
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0