Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
15-11-2024 12:24
Behavioral task
behavioral1
Sample
2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe
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Size
29KB
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MD5
d0055ceb4fc413a9a192c9dfb1bc914d
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SHA1
b7d82cb690505161375231929a0debc98160b0cc
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SHA256
f7a3d901f6b80aea774f6bce28060c7b128a07f9123284c195b9b7570d62b693
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SHA512
3ead7890dbbb05b6df10546992928e743fb1f35ef427bfefc8a0a8e273dd0cda2312127d9ca39dae732fb6c0508c3383695bccb5944447b891f7928950e59c8d
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SSDEEP
384:M8SK+KBeWQOxHMcrJ+Q/65noUmwbZb7z/mgmOhqclYhhD9:2K+K48xsMwVb1S+Of9
Malware Config
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/3012-1-0x0000000000E50000-0x0000000000E5E000-memory.dmp family_chaos behavioral1/files/0x000a00000001225c-6.dat family_chaos behavioral1/memory/3028-8-0x0000000001180000-0x000000000118E000-memory.dmp family_chaos -
Chaos family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 2540 bcdedit.exe 1548 bcdedit.exe -
pid Process 2476 wbadmin.exe -
Disables Task Manager via registry modification
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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\desktop.ini.h0yo svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ReadMe.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3028 svchost.exe -
Reads user/profile data of web browsers 3 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-1-5-21-3692679935-4019334568-335155002-1000\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\Admin\AppData\Local\Microsoft\Feeds Cache\1U7Y9BT8\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\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\Admin\Favorites\Links for United States\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\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\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\Public\Music\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\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BBWU148F\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\Roaming\Microsoft\Windows\Recent\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\Windows\Temporary Internet Files\Content.IE5\4TDQSVWU\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 F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Public\Desktop\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\Windows\Temporary Internet Files\Content.IE5\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\5O2ZS8DL\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\Videos\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\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\SEGJVAZC\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\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\ADWO43R6\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\4KNYJNXZ\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G0UQMQ1C\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\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\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 Mail\Stationery\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\All Users\Microsoft\Windows\Ringtones\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 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2284 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1712 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 3028 svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 3028 svchost.exe 3028 svchost.exe 3028 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe Token: SeDebugPrivilege 3028 svchost.exe Token: SeBackupPrivilege 2936 vssvc.exe Token: SeRestorePrivilege 2936 vssvc.exe Token: SeAuditPrivilege 2936 vssvc.exe Token: SeIncreaseQuotaPrivilege 1920 WMIC.exe Token: SeSecurityPrivilege 1920 WMIC.exe Token: SeTakeOwnershipPrivilege 1920 WMIC.exe Token: SeLoadDriverPrivilege 1920 WMIC.exe Token: SeSystemProfilePrivilege 1920 WMIC.exe Token: SeSystemtimePrivilege 1920 WMIC.exe Token: SeProfSingleProcessPrivilege 1920 WMIC.exe Token: SeIncBasePriorityPrivilege 1920 WMIC.exe Token: SeCreatePagefilePrivilege 1920 WMIC.exe Token: SeBackupPrivilege 1920 WMIC.exe Token: SeRestorePrivilege 1920 WMIC.exe Token: SeShutdownPrivilege 1920 WMIC.exe Token: SeDebugPrivilege 1920 WMIC.exe Token: SeSystemEnvironmentPrivilege 1920 WMIC.exe Token: SeRemoteShutdownPrivilege 1920 WMIC.exe Token: SeUndockPrivilege 1920 WMIC.exe Token: SeManageVolumePrivilege 1920 WMIC.exe Token: 33 1920 WMIC.exe Token: 34 1920 WMIC.exe Token: 35 1920 WMIC.exe Token: SeIncreaseQuotaPrivilege 1920 WMIC.exe Token: SeSecurityPrivilege 1920 WMIC.exe Token: SeTakeOwnershipPrivilege 1920 WMIC.exe Token: SeLoadDriverPrivilege 1920 WMIC.exe Token: SeSystemProfilePrivilege 1920 WMIC.exe Token: SeSystemtimePrivilege 1920 WMIC.exe Token: SeProfSingleProcessPrivilege 1920 WMIC.exe Token: SeIncBasePriorityPrivilege 1920 WMIC.exe Token: SeCreatePagefilePrivilege 1920 WMIC.exe Token: SeBackupPrivilege 1920 WMIC.exe Token: SeRestorePrivilege 1920 WMIC.exe Token: SeShutdownPrivilege 1920 WMIC.exe Token: SeDebugPrivilege 1920 WMIC.exe Token: SeSystemEnvironmentPrivilege 1920 WMIC.exe Token: SeRemoteShutdownPrivilege 1920 WMIC.exe Token: SeUndockPrivilege 1920 WMIC.exe Token: SeManageVolumePrivilege 1920 WMIC.exe Token: 33 1920 WMIC.exe Token: 34 1920 WMIC.exe Token: 35 1920 WMIC.exe Token: SeBackupPrivilege 2580 wbengine.exe Token: SeRestorePrivilege 2580 wbengine.exe Token: SeSecurityPrivilege 2580 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3012 wrote to memory of 3028 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 30 PID 3012 wrote to memory of 3028 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 30 PID 3012 wrote to memory of 3028 3012 2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe 30 PID 3028 wrote to memory of 3016 3028 svchost.exe 31 PID 3028 wrote to memory of 3016 3028 svchost.exe 31 PID 3028 wrote to memory of 3016 3028 svchost.exe 31 PID 3016 wrote to memory of 2284 3016 cmd.exe 33 PID 3016 wrote to memory of 2284 3016 cmd.exe 33 PID 3016 wrote to memory of 2284 3016 cmd.exe 33 PID 3016 wrote to memory of 1920 3016 cmd.exe 36 PID 3016 wrote to memory of 1920 3016 cmd.exe 36 PID 3016 wrote to memory of 1920 3016 cmd.exe 36 PID 3028 wrote to memory of 1520 3028 svchost.exe 38 PID 3028 wrote to memory of 1520 3028 svchost.exe 38 PID 3028 wrote to memory of 1520 3028 svchost.exe 38 PID 1520 wrote to memory of 2540 1520 cmd.exe 40 PID 1520 wrote to memory of 2540 1520 cmd.exe 40 PID 1520 wrote to memory of 2540 1520 cmd.exe 40 PID 1520 wrote to memory of 1548 1520 cmd.exe 41 PID 1520 wrote to memory of 1548 1520 cmd.exe 41 PID 1520 wrote to memory of 1548 1520 cmd.exe 41 PID 3028 wrote to memory of 892 3028 svchost.exe 42 PID 3028 wrote to memory of 892 3028 svchost.exe 42 PID 3028 wrote to memory of 892 3028 svchost.exe 42 PID 892 wrote to memory of 2476 892 cmd.exe 44 PID 892 wrote to memory of 2476 892 cmd.exe 44 PID 892 wrote to memory of 2476 892 cmd.exe 44 PID 3028 wrote to memory of 1712 3028 svchost.exe 49 PID 3028 wrote to memory of 1712 3028 svchost.exe 49 PID 3028 wrote to memory of 1712 3028 svchost.exe 49 -
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\2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-15_d0055ceb4fc413a9a192c9dfb1bc914d_destroyer_wannacry.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
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:3028 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2284
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1920
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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:1520 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2540
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1548
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2476
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\ReadMe.txt3⤵
- Opens file in notepad (likely ransom note)
PID:1712
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2580
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2104
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:2392
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0
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Filesize
1KB
MD522577d64a5f3bc0195a15faee68d6656
SHA1f33c59571258195a04cb5bd332cefc2efcaee23a
SHA256d2bc1039a06522c7a124a3d612cf7e848bbf6848a5d7551b019937c69e79df4e
SHA51260627178f6252678e77e4f6dbf780d88ad2f77e23a7d96c8398922b5d4fd65aeff85f60f179e690dc76acfc7e073c9c40fe4c5acdee7be8844a06bc006df57a7
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Filesize
29KB
MD5d0055ceb4fc413a9a192c9dfb1bc914d
SHA1b7d82cb690505161375231929a0debc98160b0cc
SHA256f7a3d901f6b80aea774f6bce28060c7b128a07f9123284c195b9b7570d62b693
SHA5123ead7890dbbb05b6df10546992928e743fb1f35ef427bfefc8a0a8e273dd0cda2312127d9ca39dae732fb6c0508c3383695bccb5944447b891f7928950e59c8d