Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24-01-2025 10:40
Behavioral task
behavioral1
Sample
2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe
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Size
27KB
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MD5
a1f418db95f94c1f1663147818fa0876
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SHA1
77ed15edc420d4ab57a9a78277295510e89d7f0c
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SHA256
d9ae6f94dd80186d859b7db83af8e0dcfef1d23196427d1837e3afb920eb09dd
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SHA512
06419b5a1d350061f4b05dfea4faa63d587228a57725fe1f10a846c2878b21fe55b4ea388b779ab8d5f4d2a60c90bd388da7183d7dfa7011244a00205c6aafc9
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SSDEEP
384:QtWZPzzxAm1va5ST2cbS74WtRQ3dChlsNpGxUlkOy5o91vtl+RXP82vc:l7zxAmCEXbS1RQ3dnN4Dho9Mt82E
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/2168-1-0x00000000001F0000-0x00000000001FE000-memory.dmp family_chaos behavioral1/files/0x000d000000012261-6.dat family_chaos behavioral1/memory/2860-8-0x0000000000DD0000-0x0000000000DDE000-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 644 bcdedit.exe 1860 bcdedit.exe -
pid Process 1808 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\READ IT.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2860 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-1-5-21-3533259084-2542256011-65585152-1000\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\Documents\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\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\Internet Explorer\Quick Launch\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\Public\Pictures\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\Games\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\U9KKHJMH\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\Public\Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\TN6BGAW3\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\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\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\Recent\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\Local\Microsoft\Feeds Cache\VSUVY3HP\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\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\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\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\INNMDE1C\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\Default\AppData\Roaming\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\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B8BOMT1Q\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\Local\Microsoft\Windows\Temporary Internet Files\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\System Tools\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\Accessibility\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\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\FP29B0EC\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\L1J27TKW\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\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\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 2728 vssadmin.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2860 svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe 2860 svchost.exe 2860 svchost.exe 2860 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe Token: SeDebugPrivilege 2860 svchost.exe Token: SeBackupPrivilege 2812 vssvc.exe Token: SeRestorePrivilege 2812 vssvc.exe Token: SeAuditPrivilege 2812 vssvc.exe Token: SeIncreaseQuotaPrivilege 2592 WMIC.exe Token: SeSecurityPrivilege 2592 WMIC.exe Token: SeTakeOwnershipPrivilege 2592 WMIC.exe Token: SeLoadDriverPrivilege 2592 WMIC.exe Token: SeSystemProfilePrivilege 2592 WMIC.exe Token: SeSystemtimePrivilege 2592 WMIC.exe Token: SeProfSingleProcessPrivilege 2592 WMIC.exe Token: SeIncBasePriorityPrivilege 2592 WMIC.exe Token: SeCreatePagefilePrivilege 2592 WMIC.exe Token: SeBackupPrivilege 2592 WMIC.exe Token: SeRestorePrivilege 2592 WMIC.exe Token: SeShutdownPrivilege 2592 WMIC.exe Token: SeDebugPrivilege 2592 WMIC.exe Token: SeSystemEnvironmentPrivilege 2592 WMIC.exe Token: SeRemoteShutdownPrivilege 2592 WMIC.exe Token: SeUndockPrivilege 2592 WMIC.exe Token: SeManageVolumePrivilege 2592 WMIC.exe Token: 33 2592 WMIC.exe Token: 34 2592 WMIC.exe Token: 35 2592 WMIC.exe Token: SeIncreaseQuotaPrivilege 2592 WMIC.exe Token: SeSecurityPrivilege 2592 WMIC.exe Token: SeTakeOwnershipPrivilege 2592 WMIC.exe Token: SeLoadDriverPrivilege 2592 WMIC.exe Token: SeSystemProfilePrivilege 2592 WMIC.exe Token: SeSystemtimePrivilege 2592 WMIC.exe Token: SeProfSingleProcessPrivilege 2592 WMIC.exe Token: SeIncBasePriorityPrivilege 2592 WMIC.exe Token: SeCreatePagefilePrivilege 2592 WMIC.exe Token: SeBackupPrivilege 2592 WMIC.exe Token: SeRestorePrivilege 2592 WMIC.exe Token: SeShutdownPrivilege 2592 WMIC.exe Token: SeDebugPrivilege 2592 WMIC.exe Token: SeSystemEnvironmentPrivilege 2592 WMIC.exe Token: SeRemoteShutdownPrivilege 2592 WMIC.exe Token: SeUndockPrivilege 2592 WMIC.exe Token: SeManageVolumePrivilege 2592 WMIC.exe Token: 33 2592 WMIC.exe Token: 34 2592 WMIC.exe Token: 35 2592 WMIC.exe Token: SeBackupPrivilege 2892 wbengine.exe Token: SeRestorePrivilege 2892 wbengine.exe Token: SeSecurityPrivilege 2892 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2860 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe 30 PID 2168 wrote to memory of 2860 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe 30 PID 2168 wrote to memory of 2860 2168 2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe 30 PID 2860 wrote to memory of 2680 2860 svchost.exe 31 PID 2860 wrote to memory of 2680 2860 svchost.exe 31 PID 2860 wrote to memory of 2680 2860 svchost.exe 31 PID 2680 wrote to memory of 2728 2680 cmd.exe 33 PID 2680 wrote to memory of 2728 2680 cmd.exe 33 PID 2680 wrote to memory of 2728 2680 cmd.exe 33 PID 2680 wrote to memory of 2592 2680 cmd.exe 36 PID 2680 wrote to memory of 2592 2680 cmd.exe 36 PID 2680 wrote to memory of 2592 2680 cmd.exe 36 PID 2860 wrote to memory of 2292 2860 svchost.exe 38 PID 2860 wrote to memory of 2292 2860 svchost.exe 38 PID 2860 wrote to memory of 2292 2860 svchost.exe 38 PID 2292 wrote to memory of 644 2292 cmd.exe 40 PID 2292 wrote to memory of 644 2292 cmd.exe 40 PID 2292 wrote to memory of 644 2292 cmd.exe 40 PID 2292 wrote to memory of 1860 2292 cmd.exe 41 PID 2292 wrote to memory of 1860 2292 cmd.exe 41 PID 2292 wrote to memory of 1860 2292 cmd.exe 41 PID 2860 wrote to memory of 732 2860 svchost.exe 42 PID 2860 wrote to memory of 732 2860 svchost.exe 42 PID 2860 wrote to memory of 732 2860 svchost.exe 42 PID 732 wrote to memory of 1808 732 cmd.exe 44 PID 732 wrote to memory of 1808 732 cmd.exe 44 PID 732 wrote to memory of 1808 732 cmd.exe 44 PID 2860 wrote to memory of 644 2860 svchost.exe 48 PID 2860 wrote to memory of 644 2860 svchost.exe 48 PID 2860 wrote to memory of 644 2860 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\2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168 -
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:2860 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2728
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2592
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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:2292 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:644
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1860
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1808
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\READ IT.txt3⤵PID:644
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2812
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2892
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1992
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:700
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
323B
MD52ce810c03c2d8386c1eec9effa164fab
SHA107fc77c11e5f4e13dfc511d42ab7ba7af0ce24e6
SHA256b0cc7acb51968d4e39a60c480720a2f4dda62f6fae36d93b17be2642b023f1d6
SHA512a4c22275a551cf671206b72520a311fe76a70543a384e59ad4b5d30cbed13493a96c0b4360731aeec1175bab58ed24a19c37e18647c9ae4f3c9966a0f9258094
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Filesize
27KB
MD5a1f418db95f94c1f1663147818fa0876
SHA177ed15edc420d4ab57a9a78277295510e89d7f0c
SHA256d9ae6f94dd80186d859b7db83af8e0dcfef1d23196427d1837e3afb920eb09dd
SHA51206419b5a1d350061f4b05dfea4faa63d587228a57725fe1f10a846c2878b21fe55b4ea388b779ab8d5f4d2a60c90bd388da7183d7dfa7011244a00205c6aafc9
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0