Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-10-2024 17:21
Behavioral task
behavioral1
Sample
2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe
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Size
26KB
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MD5
76caee0502e3483b22ffe34508a06ec3
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SHA1
c4120e980f86a2ab7bd29864e9045012c40ba70f
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SHA256
b4dc0cd3a5824ad15c8607c4cf23278b90d61946e2d904445e5707534a67d989
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SHA512
65f5bcee2c45d38d981638657d936d78096586659e1cd52a329876c1cac37aef105d97addce101158472f14322f1dbb5a932a08ea160d2e5d3a8b14d8db1d9ed
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SSDEEP
384:3tWZPzzxAm1vObMcJQ7o71+k4zxBSKrE7lGOy5o91Y5O9jx82vH:O7zxAmaXJQ7ogk426Jho925O9t82v
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/2032-1-0x0000000000CF0000-0x0000000000CFC000-memory.dmp family_chaos behavioral1/files/0x0007000000012118-6.dat family_chaos behavioral1/memory/2784-8-0x0000000000FC0000-0x0000000000FCC000-memory.dmp family_chaos -
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 2400 bcdedit.exe 2672 bcdedit.exe -
pid Process 2760 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 illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini illustartor.exe -
Executes dropped EXE 1 IoCs
pid Process 2784 illustartor.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\illustartor.exe" illustartor.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini illustartor.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\I618Z2Y3\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Downloads\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N5RJMVSE\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini illustartor.exe File opened for modification C:\Users\Public\Documents\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Music\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Libraries\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Links\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Pictures\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Searches\desktop.ini illustartor.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DFSC7KT7\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Documents\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini illustartor.exe File opened for modification C:\Users\Public\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\691RDNCS\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Videos\desktop.ini illustartor.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini illustartor.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini illustartor.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ORIYJR4N\desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini illustartor.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini illustartor.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini illustartor.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini illustartor.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 2812 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2660 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2784 illustartor.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe 2784 illustartor.exe 2784 illustartor.exe 2784 illustartor.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe Token: SeDebugPrivilege 2784 illustartor.exe Token: SeBackupPrivilege 2624 vssvc.exe Token: SeRestorePrivilege 2624 vssvc.exe Token: SeAuditPrivilege 2624 vssvc.exe Token: SeIncreaseQuotaPrivilege 1276 WMIC.exe Token: SeSecurityPrivilege 1276 WMIC.exe Token: SeTakeOwnershipPrivilege 1276 WMIC.exe Token: SeLoadDriverPrivilege 1276 WMIC.exe Token: SeSystemProfilePrivilege 1276 WMIC.exe Token: SeSystemtimePrivilege 1276 WMIC.exe Token: SeProfSingleProcessPrivilege 1276 WMIC.exe Token: SeIncBasePriorityPrivilege 1276 WMIC.exe Token: SeCreatePagefilePrivilege 1276 WMIC.exe Token: SeBackupPrivilege 1276 WMIC.exe Token: SeRestorePrivilege 1276 WMIC.exe Token: SeShutdownPrivilege 1276 WMIC.exe Token: SeDebugPrivilege 1276 WMIC.exe Token: SeSystemEnvironmentPrivilege 1276 WMIC.exe Token: SeRemoteShutdownPrivilege 1276 WMIC.exe Token: SeUndockPrivilege 1276 WMIC.exe Token: SeManageVolumePrivilege 1276 WMIC.exe Token: 33 1276 WMIC.exe Token: 34 1276 WMIC.exe Token: 35 1276 WMIC.exe Token: SeIncreaseQuotaPrivilege 1276 WMIC.exe Token: SeSecurityPrivilege 1276 WMIC.exe Token: SeTakeOwnershipPrivilege 1276 WMIC.exe Token: SeLoadDriverPrivilege 1276 WMIC.exe Token: SeSystemProfilePrivilege 1276 WMIC.exe Token: SeSystemtimePrivilege 1276 WMIC.exe Token: SeProfSingleProcessPrivilege 1276 WMIC.exe Token: SeIncBasePriorityPrivilege 1276 WMIC.exe Token: SeCreatePagefilePrivilege 1276 WMIC.exe Token: SeBackupPrivilege 1276 WMIC.exe Token: SeRestorePrivilege 1276 WMIC.exe Token: SeShutdownPrivilege 1276 WMIC.exe Token: SeDebugPrivilege 1276 WMIC.exe Token: SeSystemEnvironmentPrivilege 1276 WMIC.exe Token: SeRemoteShutdownPrivilege 1276 WMIC.exe Token: SeUndockPrivilege 1276 WMIC.exe Token: SeManageVolumePrivilege 1276 WMIC.exe Token: 33 1276 WMIC.exe Token: 34 1276 WMIC.exe Token: 35 1276 WMIC.exe Token: SeBackupPrivilege 2940 wbengine.exe Token: SeRestorePrivilege 2940 wbengine.exe Token: SeSecurityPrivilege 2940 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2032 wrote to memory of 2784 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe 30 PID 2032 wrote to memory of 2784 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe 30 PID 2032 wrote to memory of 2784 2032 2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe 30 PID 2784 wrote to memory of 2832 2784 illustartor.exe 31 PID 2784 wrote to memory of 2832 2784 illustartor.exe 31 PID 2784 wrote to memory of 2832 2784 illustartor.exe 31 PID 2832 wrote to memory of 2812 2832 cmd.exe 33 PID 2832 wrote to memory of 2812 2832 cmd.exe 33 PID 2832 wrote to memory of 2812 2832 cmd.exe 33 PID 2832 wrote to memory of 1276 2832 cmd.exe 36 PID 2832 wrote to memory of 1276 2832 cmd.exe 36 PID 2832 wrote to memory of 1276 2832 cmd.exe 36 PID 2784 wrote to memory of 2980 2784 illustartor.exe 38 PID 2784 wrote to memory of 2980 2784 illustartor.exe 38 PID 2784 wrote to memory of 2980 2784 illustartor.exe 38 PID 2980 wrote to memory of 2400 2980 cmd.exe 40 PID 2980 wrote to memory of 2400 2980 cmd.exe 40 PID 2980 wrote to memory of 2400 2980 cmd.exe 40 PID 2980 wrote to memory of 2672 2980 cmd.exe 41 PID 2980 wrote to memory of 2672 2980 cmd.exe 41 PID 2980 wrote to memory of 2672 2980 cmd.exe 41 PID 2784 wrote to memory of 2932 2784 illustartor.exe 42 PID 2784 wrote to memory of 2932 2784 illustartor.exe 42 PID 2784 wrote to memory of 2932 2784 illustartor.exe 42 PID 2932 wrote to memory of 2760 2932 cmd.exe 44 PID 2932 wrote to memory of 2760 2932 cmd.exe 44 PID 2932 wrote to memory of 2760 2932 cmd.exe 44 PID 2784 wrote to memory of 2660 2784 illustartor.exe 49 PID 2784 wrote to memory of 2660 2784 illustartor.exe 49 PID 2784 wrote to memory of 2660 2784 illustartor.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\2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Roaming\illustartor.exe"C:\Users\Admin\AppData\Roaming\illustartor.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:2784 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2812
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1276
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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:2980 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2400
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2672
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2760
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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:2660
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2624
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:864
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:2816
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
99B
MD5a34e8b5fea52beb91dfc151fb35d4118
SHA1d83d2450fa25795e7dd9b4a74a94aa4f559d7ca8
SHA2563afcfc4894491b146cc04a21471937958945e7c8a8cc31621adc8607dec92e97
SHA5127e51e3b4d68a7851e30a02d06e8efcfca44612ea2d5e52efec29fe1474b681be5ea75b2aca9066aa0994e2b79064750f0cbf9a05d56387e3eeaab3cda75f9e05
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Filesize
26KB
MD576caee0502e3483b22ffe34508a06ec3
SHA1c4120e980f86a2ab7bd29864e9045012c40ba70f
SHA256b4dc0cd3a5824ad15c8607c4cf23278b90d61946e2d904445e5707534a67d989
SHA51265f5bcee2c45d38d981638657d936d78096586659e1cd52a329876c1cac37aef105d97addce101158472f14322f1dbb5a932a08ea160d2e5d3a8b14d8db1d9ed
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0