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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01/02/2025, 20:25
Behavioral task
behavioral1
Sample
2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe
Resource
win10v2004-20250129-en
General
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Target
2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe
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Size
27KB
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MD5
aca8806bba5c35c898f430b485cc52f7
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SHA1
c16b16c59aae7b4c460a42478aecfd0612b6178f
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SHA256
ccf5526630d3e73ac6d41b6c57f01a07013100b7f2bcb9b96c7a9c275a9c9c0a
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SHA512
179fa0119d743ad3fab011e22d7119c4da1c1a2147f7067da69b1a0762d45d6716bbbedef5d0ed9959db2e24d4de2c4c489c816a88baf6c2e38116480c8a7459
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SSDEEP
384:VtWZPzzxAm1vw5OPB5n8N7dIaPVfwMWBi3slQOy5o91QpR1M682v/:c7zxAmAOPMZfwMDBho961L82H
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/2720-1-0x0000000000AA0000-0x0000000000AAE000-memory.dmp family_chaos behavioral1/files/0x000b000000012259-6.dat family_chaos behavioral1/memory/2840-8-0x00000000013A0000-0x00000000013AE000-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 2960 bcdedit.exe 2116 bcdedit.exe -
pid Process 2028 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 2840 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\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\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\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\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\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\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 Mail\Stationery\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\Start Menu\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\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WK3MU41S\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\Videos\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\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\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\Start Menu\Programs\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\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\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\L1J27TKW\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\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\Windows\Temporary Internet Files\Content.IE5\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\Searches\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\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\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\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\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\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\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\Public\Pictures\Sample Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\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\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\Public\Desktop\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\Administrative Tools\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 2648 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1796 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 2840 svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 2840 svchost.exe 2840 svchost.exe 2840 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe Token: SeDebugPrivilege 2840 svchost.exe Token: SeBackupPrivilege 2616 vssvc.exe Token: SeRestorePrivilege 2616 vssvc.exe Token: SeAuditPrivilege 2616 vssvc.exe Token: SeIncreaseQuotaPrivilege 1964 WMIC.exe Token: SeSecurityPrivilege 1964 WMIC.exe Token: SeTakeOwnershipPrivilege 1964 WMIC.exe Token: SeLoadDriverPrivilege 1964 WMIC.exe Token: SeSystemProfilePrivilege 1964 WMIC.exe Token: SeSystemtimePrivilege 1964 WMIC.exe Token: SeProfSingleProcessPrivilege 1964 WMIC.exe Token: SeIncBasePriorityPrivilege 1964 WMIC.exe Token: SeCreatePagefilePrivilege 1964 WMIC.exe Token: SeBackupPrivilege 1964 WMIC.exe Token: SeRestorePrivilege 1964 WMIC.exe Token: SeShutdownPrivilege 1964 WMIC.exe Token: SeDebugPrivilege 1964 WMIC.exe Token: SeSystemEnvironmentPrivilege 1964 WMIC.exe Token: SeRemoteShutdownPrivilege 1964 WMIC.exe Token: SeUndockPrivilege 1964 WMIC.exe Token: SeManageVolumePrivilege 1964 WMIC.exe Token: 33 1964 WMIC.exe Token: 34 1964 WMIC.exe Token: 35 1964 WMIC.exe Token: SeIncreaseQuotaPrivilege 1964 WMIC.exe Token: SeSecurityPrivilege 1964 WMIC.exe Token: SeTakeOwnershipPrivilege 1964 WMIC.exe Token: SeLoadDriverPrivilege 1964 WMIC.exe Token: SeSystemProfilePrivilege 1964 WMIC.exe Token: SeSystemtimePrivilege 1964 WMIC.exe Token: SeProfSingleProcessPrivilege 1964 WMIC.exe Token: SeIncBasePriorityPrivilege 1964 WMIC.exe Token: SeCreatePagefilePrivilege 1964 WMIC.exe Token: SeBackupPrivilege 1964 WMIC.exe Token: SeRestorePrivilege 1964 WMIC.exe Token: SeShutdownPrivilege 1964 WMIC.exe Token: SeDebugPrivilege 1964 WMIC.exe Token: SeSystemEnvironmentPrivilege 1964 WMIC.exe Token: SeRemoteShutdownPrivilege 1964 WMIC.exe Token: SeUndockPrivilege 1964 WMIC.exe Token: SeManageVolumePrivilege 1964 WMIC.exe Token: 33 1964 WMIC.exe Token: 34 1964 WMIC.exe Token: 35 1964 WMIC.exe Token: SeBackupPrivilege 2856 wbengine.exe Token: SeRestorePrivilege 2856 wbengine.exe Token: SeSecurityPrivilege 2856 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2840 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 30 PID 2720 wrote to memory of 2840 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 30 PID 2720 wrote to memory of 2840 2720 2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe 30 PID 2840 wrote to memory of 2588 2840 svchost.exe 31 PID 2840 wrote to memory of 2588 2840 svchost.exe 31 PID 2840 wrote to memory of 2588 2840 svchost.exe 31 PID 2588 wrote to memory of 2648 2588 cmd.exe 33 PID 2588 wrote to memory of 2648 2588 cmd.exe 33 PID 2588 wrote to memory of 2648 2588 cmd.exe 33 PID 2588 wrote to memory of 1964 2588 cmd.exe 36 PID 2588 wrote to memory of 1964 2588 cmd.exe 36 PID 2588 wrote to memory of 1964 2588 cmd.exe 36 PID 2840 wrote to memory of 3040 2840 svchost.exe 38 PID 2840 wrote to memory of 3040 2840 svchost.exe 38 PID 2840 wrote to memory of 3040 2840 svchost.exe 38 PID 3040 wrote to memory of 2960 3040 cmd.exe 40 PID 3040 wrote to memory of 2960 3040 cmd.exe 40 PID 3040 wrote to memory of 2960 3040 cmd.exe 40 PID 3040 wrote to memory of 2116 3040 cmd.exe 41 PID 3040 wrote to memory of 2116 3040 cmd.exe 41 PID 3040 wrote to memory of 2116 3040 cmd.exe 41 PID 2840 wrote to memory of 308 2840 svchost.exe 42 PID 2840 wrote to memory of 308 2840 svchost.exe 42 PID 2840 wrote to memory of 308 2840 svchost.exe 42 PID 308 wrote to memory of 2028 308 cmd.exe 44 PID 308 wrote to memory of 2028 308 cmd.exe 44 PID 308 wrote to memory of 2028 308 cmd.exe 44 PID 2840 wrote to memory of 1796 2840 svchost.exe 49 PID 2840 wrote to memory of 1796 2840 svchost.exe 49 PID 2840 wrote to memory of 1796 2840 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\2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
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:2840 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2648
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1964
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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:3040 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2960
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2116
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:308 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2028
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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:1796
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2616
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2856
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2912
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:2268
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
2KB
MD5cb0520fc5cf2e983ce6004a51de31153
SHA1734237d9002579ba3f9327f799bf75958f3ac324
SHA25638ce287602548c5e128b13f8ee9b793edb69cd699bc3cb8e5c31c4376b16da8a
SHA512dc1cea1f7f65554ab532001a7878a6a5c1c0309add12d554a6c1bd0f07479ecfca47aeeccae3a97457c320d7622c8dfa56bcc7ca1b78b052d1f0c404067db20f
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Filesize
27KB
MD5aca8806bba5c35c898f430b485cc52f7
SHA1c16b16c59aae7b4c460a42478aecfd0612b6178f
SHA256ccf5526630d3e73ac6d41b6c57f01a07013100b7f2bcb9b96c7a9c275a9c9c0a
SHA512179fa0119d743ad3fab011e22d7119c4da1c1a2147f7067da69b1a0762d45d6716bbbedef5d0ed9959db2e24d4de2c4c489c816a88baf6c2e38116480c8a7459
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0