Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
18-04-2024 07:28
Behavioral task
behavioral1
Sample
2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe
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Size
26KB
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MD5
12e6e232a85ac88643248387333e8bd5
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SHA1
ed92ad0c6f42160de2ec2901d1e456e0a453ef7a
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SHA256
8f1ee697588e75153647337057096d1e88e0934f8cc5237b9feacb23b98eba7f
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SHA512
fd76ca794467d35ae46410eda6ebc410cde3d423defae0b0fd578f4d8a309b805615cf787db10736393da4ecba19bcbd0a826e989955235f9561e3db2c0ffe38
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SSDEEP
384:QtWZPzzxAm1v9uiYwGOYpjCGjN/y41lZOy5o91ixvksm82vc:l7zxAmSRvO5Gj0eho9YpkB82E
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/2784-0-0x0000000001280000-0x000000000128C000-memory.dmp family_chaos behavioral1/files/0x000b000000012707-6.dat family_chaos behavioral1/memory/2756-8-0x0000000000DF0000-0x0000000000DFC000-memory.dmp family_chaos -
Deletes shadow copies 2 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/2784-0-0x0000000001280000-0x000000000128C000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral1/files/0x000b000000012707-6.dat INDICATOR_SUSPICIOUS_GENRansomware behavioral1/memory/2756-8-0x0000000000DF0000-0x0000000000DFC000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 3 IoCs
resource yara_rule behavioral1/memory/2784-0-0x0000000001280000-0x000000000128C000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/files/0x000b000000012707-6.dat INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/memory/2756-8-0x0000000000DF0000-0x0000000000DFC000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 2532 bcdedit.exe 2656 bcdedit.exe -
Renames multiple (175) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 1756 wbadmin.exe -
Disables Task Manager via registry modification
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Drops startup file 2 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\test_txt.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2756 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-1-5-21-2721934792-624042501-2768869379-1000\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\Public\Music\Sample Music\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\Admin\AppData\Roaming\Microsoft\Windows\SendTo\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\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\M221U1AY\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HL1JTUOY\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\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\5VY10BSW\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\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\Burn\Burn\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\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\Administrative 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\Public\Music\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\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\66RFTKYZ\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\Admin\Contacts\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\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\NNULH633\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 File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\Public\Documents\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\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\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\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\Favorites\Links for United States\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\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\Public\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\Music\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\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\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\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\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\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\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\SendTo\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\AppData\Local\Microsoft\Feeds Cache\KEQD8ZAD\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\Desktop\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 2624 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2880 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe 2756 svchost.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe 2756 svchost.exe 2756 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe Token: SeDebugPrivilege 2756 svchost.exe Token: SeBackupPrivilege 2440 vssvc.exe Token: SeRestorePrivilege 2440 vssvc.exe Token: SeAuditPrivilege 2440 vssvc.exe Token: SeIncreaseQuotaPrivilege 2600 WMIC.exe Token: SeSecurityPrivilege 2600 WMIC.exe Token: SeTakeOwnershipPrivilege 2600 WMIC.exe Token: SeLoadDriverPrivilege 2600 WMIC.exe Token: SeSystemProfilePrivilege 2600 WMIC.exe Token: SeSystemtimePrivilege 2600 WMIC.exe Token: SeProfSingleProcessPrivilege 2600 WMIC.exe Token: SeIncBasePriorityPrivilege 2600 WMIC.exe Token: SeCreatePagefilePrivilege 2600 WMIC.exe Token: SeBackupPrivilege 2600 WMIC.exe Token: SeRestorePrivilege 2600 WMIC.exe Token: SeShutdownPrivilege 2600 WMIC.exe Token: SeDebugPrivilege 2600 WMIC.exe Token: SeSystemEnvironmentPrivilege 2600 WMIC.exe Token: SeRemoteShutdownPrivilege 2600 WMIC.exe Token: SeUndockPrivilege 2600 WMIC.exe Token: SeManageVolumePrivilege 2600 WMIC.exe Token: 33 2600 WMIC.exe Token: 34 2600 WMIC.exe Token: 35 2600 WMIC.exe Token: SeIncreaseQuotaPrivilege 2600 WMIC.exe Token: SeSecurityPrivilege 2600 WMIC.exe Token: SeTakeOwnershipPrivilege 2600 WMIC.exe Token: SeLoadDriverPrivilege 2600 WMIC.exe Token: SeSystemProfilePrivilege 2600 WMIC.exe Token: SeSystemtimePrivilege 2600 WMIC.exe Token: SeProfSingleProcessPrivilege 2600 WMIC.exe Token: SeIncBasePriorityPrivilege 2600 WMIC.exe Token: SeCreatePagefilePrivilege 2600 WMIC.exe Token: SeBackupPrivilege 2600 WMIC.exe Token: SeRestorePrivilege 2600 WMIC.exe Token: SeShutdownPrivilege 2600 WMIC.exe Token: SeDebugPrivilege 2600 WMIC.exe Token: SeSystemEnvironmentPrivilege 2600 WMIC.exe Token: SeRemoteShutdownPrivilege 2600 WMIC.exe Token: SeUndockPrivilege 2600 WMIC.exe Token: SeManageVolumePrivilege 2600 WMIC.exe Token: 33 2600 WMIC.exe Token: 34 2600 WMIC.exe Token: 35 2600 WMIC.exe Token: SeBackupPrivilege 1836 wbengine.exe Token: SeRestorePrivilege 1836 wbengine.exe Token: SeSecurityPrivilege 1836 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2784 wrote to memory of 2756 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe 28 PID 2784 wrote to memory of 2756 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe 28 PID 2784 wrote to memory of 2756 2784 2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe 28 PID 2756 wrote to memory of 2640 2756 svchost.exe 29 PID 2756 wrote to memory of 2640 2756 svchost.exe 29 PID 2756 wrote to memory of 2640 2756 svchost.exe 29 PID 2640 wrote to memory of 2624 2640 cmd.exe 31 PID 2640 wrote to memory of 2624 2640 cmd.exe 31 PID 2640 wrote to memory of 2624 2640 cmd.exe 31 PID 2640 wrote to memory of 2600 2640 cmd.exe 34 PID 2640 wrote to memory of 2600 2640 cmd.exe 34 PID 2640 wrote to memory of 2600 2640 cmd.exe 34 PID 2756 wrote to memory of 1200 2756 svchost.exe 36 PID 2756 wrote to memory of 1200 2756 svchost.exe 36 PID 2756 wrote to memory of 1200 2756 svchost.exe 36 PID 1200 wrote to memory of 2532 1200 cmd.exe 38 PID 1200 wrote to memory of 2532 1200 cmd.exe 38 PID 1200 wrote to memory of 2532 1200 cmd.exe 38 PID 1200 wrote to memory of 2656 1200 cmd.exe 39 PID 1200 wrote to memory of 2656 1200 cmd.exe 39 PID 1200 wrote to memory of 2656 1200 cmd.exe 39 PID 2756 wrote to memory of 2672 2756 svchost.exe 40 PID 2756 wrote to memory of 2672 2756 svchost.exe 40 PID 2756 wrote to memory of 2672 2756 svchost.exe 40 PID 2672 wrote to memory of 1756 2672 cmd.exe 42 PID 2672 wrote to memory of 1756 2672 cmd.exe 42 PID 2672 wrote to memory of 1756 2672 cmd.exe 42 PID 2756 wrote to memory of 2880 2756 svchost.exe 48 PID 2756 wrote to memory of 2880 2756 svchost.exe 48 PID 2756 wrote to memory of 2880 2756 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\2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784 -
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:2756 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2624
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2600
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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:1200 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2532
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2656
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1756
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\test_txt.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2880
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2440
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1836
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1876
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:2176
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6B
MD59f06243abcb89c70e0c331c61d871fa7
SHA1fde773a18bb29f5ed65e6f0a7aa717fd1fa485d4
SHA256837ccb607e312b170fac7383d7ccfd61fa5072793f19a25e75fbacb56539b86b
SHA512b947b99d1baddd347550c9032e9ab60b6be56551cf92c076b38e4e11f436051a4af51c47e54f8641316a720b043641a3b3c1e1b01ba50445ea1ba60bfd1b7a86
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Filesize
26KB
MD512e6e232a85ac88643248387333e8bd5
SHA1ed92ad0c6f42160de2ec2901d1e456e0a453ef7a
SHA2568f1ee697588e75153647337057096d1e88e0934f8cc5237b9feacb23b98eba7f
SHA512fd76ca794467d35ae46410eda6ebc410cde3d423defae0b0fd578f4d8a309b805615cf787db10736393da4ecba19bcbd0a826e989955235f9561e3db2c0ffe38
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0