Analysis
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max time kernel
93s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 22:30
Behavioral task
behavioral1
Sample
2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe
Resource
win7-20240903-en
windows7-x64
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
23 signatures
150 seconds
General
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Target
2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe
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Size
88KB
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MD5
bcf73d0b807d66634d7d25f399fa8ffe
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SHA1
3db3790b46e2d430374f6c40e7ce25e633696b75
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SHA256
0bb2957b2b8ed0a1c458da6edeaf5a48b2c1ecdd7d7ed33d00749ef1f5653b1e
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SHA512
0750fe4212f1bc7a16a426f6c363797e926656f7f27cc2bc5d5f624a436b3a075263ca29fa609696d7ef2d18b79ef7da4998c75a36c9bda2bd2beb456ae08f31
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SSDEEP
768:Hqo2MgNp4wBAQr9uNev2SU2Ip4jBqltCF0AxEjenoB69+Fx:Ko2g0AQr9usv2SFHBWAxEjc+
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/532-1-0x00000000002E0000-0x00000000002FC000-memory.dmp family_chaos behavioral2/files/0x0007000000023cb6-7.dat 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 1828 bcdedit.exe 4456 bcdedit.exe -
Renames multiple (219) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 3004 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation AdobeReader.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AdobeReader.url AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini AdobeReader.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\readme.txt AdobeReader.exe -
Executes dropped EXE 1 IoCs
pid Process 3768 AdobeReader.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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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Videos\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini AdobeReader.exe File opened for modification C:\Users\Public\Desktop\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Links\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Documents\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Searches\desktop.ini AdobeReader.exe File opened for modification C:\Users\Public\Documents\desktop.ini AdobeReader.exe File opened for modification C:\Users\Public\Music\desktop.ini AdobeReader.exe File opened for modification C:\Users\Public\Pictures\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini AdobeReader.exe File opened for modification C:\Users\Public\Videos\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini AdobeReader.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\Music\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini AdobeReader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini AdobeReader.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1848 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings AdobeReader.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1920 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3768 AdobeReader.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe 3768 AdobeReader.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe Token: SeDebugPrivilege 3768 AdobeReader.exe Token: SeBackupPrivilege 4712 vssvc.exe Token: SeRestorePrivilege 4712 vssvc.exe Token: SeAuditPrivilege 4712 vssvc.exe Token: SeIncreaseQuotaPrivilege 1212 WMIC.exe Token: SeSecurityPrivilege 1212 WMIC.exe Token: SeTakeOwnershipPrivilege 1212 WMIC.exe Token: SeLoadDriverPrivilege 1212 WMIC.exe Token: SeSystemProfilePrivilege 1212 WMIC.exe Token: SeSystemtimePrivilege 1212 WMIC.exe Token: SeProfSingleProcessPrivilege 1212 WMIC.exe Token: SeIncBasePriorityPrivilege 1212 WMIC.exe Token: SeCreatePagefilePrivilege 1212 WMIC.exe Token: SeBackupPrivilege 1212 WMIC.exe Token: SeRestorePrivilege 1212 WMIC.exe Token: SeShutdownPrivilege 1212 WMIC.exe Token: SeDebugPrivilege 1212 WMIC.exe Token: SeSystemEnvironmentPrivilege 1212 WMIC.exe Token: SeRemoteShutdownPrivilege 1212 WMIC.exe Token: SeUndockPrivilege 1212 WMIC.exe Token: SeManageVolumePrivilege 1212 WMIC.exe Token: 33 1212 WMIC.exe Token: 34 1212 WMIC.exe Token: 35 1212 WMIC.exe Token: 36 1212 WMIC.exe Token: SeIncreaseQuotaPrivilege 1212 WMIC.exe Token: SeSecurityPrivilege 1212 WMIC.exe Token: SeTakeOwnershipPrivilege 1212 WMIC.exe Token: SeLoadDriverPrivilege 1212 WMIC.exe Token: SeSystemProfilePrivilege 1212 WMIC.exe Token: SeSystemtimePrivilege 1212 WMIC.exe Token: SeProfSingleProcessPrivilege 1212 WMIC.exe Token: SeIncBasePriorityPrivilege 1212 WMIC.exe Token: SeCreatePagefilePrivilege 1212 WMIC.exe Token: SeBackupPrivilege 1212 WMIC.exe Token: SeRestorePrivilege 1212 WMIC.exe Token: SeShutdownPrivilege 1212 WMIC.exe Token: SeDebugPrivilege 1212 WMIC.exe Token: SeSystemEnvironmentPrivilege 1212 WMIC.exe Token: SeRemoteShutdownPrivilege 1212 WMIC.exe Token: SeUndockPrivilege 1212 WMIC.exe Token: SeManageVolumePrivilege 1212 WMIC.exe Token: 33 1212 WMIC.exe Token: 34 1212 WMIC.exe Token: 35 1212 WMIC.exe Token: 36 1212 WMIC.exe Token: SeBackupPrivilege 2000 wbengine.exe Token: SeRestorePrivilege 2000 wbengine.exe Token: SeSecurityPrivilege 2000 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 532 wrote to memory of 3768 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 90 PID 532 wrote to memory of 3768 532 2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe 90 PID 3768 wrote to memory of 1952 3768 AdobeReader.exe 97 PID 3768 wrote to memory of 1952 3768 AdobeReader.exe 97 PID 1952 wrote to memory of 1848 1952 cmd.exe 99 PID 1952 wrote to memory of 1848 1952 cmd.exe 99 PID 1952 wrote to memory of 1212 1952 cmd.exe 103 PID 1952 wrote to memory of 1212 1952 cmd.exe 103 PID 3768 wrote to memory of 1240 3768 AdobeReader.exe 104 PID 3768 wrote to memory of 1240 3768 AdobeReader.exe 104 PID 1240 wrote to memory of 1828 1240 cmd.exe 107 PID 1240 wrote to memory of 1828 1240 cmd.exe 107 PID 1240 wrote to memory of 4456 1240 cmd.exe 108 PID 1240 wrote to memory of 4456 1240 cmd.exe 108 PID 3768 wrote to memory of 4416 3768 AdobeReader.exe 109 PID 3768 wrote to memory of 4416 3768 AdobeReader.exe 109 PID 4416 wrote to memory of 3004 4416 cmd.exe 111 PID 4416 wrote to memory of 3004 4416 cmd.exe 111 PID 3768 wrote to memory of 1920 3768 AdobeReader.exe 116 PID 3768 wrote to memory of 1920 3768 AdobeReader.exe 116 -
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\2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-03_bcf73d0b807d66634d7d25f399fa8ffe_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Users\Admin\AppData\Roaming\AdobeReader.exe"C:\Users\Admin\AppData\Roaming\AdobeReader.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:1848
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1212
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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:1240 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1828
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4456
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:3004
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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:1920
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4712
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2000
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3420
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
88KB
MD5bcf73d0b807d66634d7d25f399fa8ffe
SHA13db3790b46e2d430374f6c40e7ce25e633696b75
SHA2560bb2957b2b8ed0a1c458da6edeaf5a48b2c1ecdd7d7ed33d00749ef1f5653b1e
SHA5120750fe4212f1bc7a16a426f6c363797e926656f7f27cc2bc5d5f624a436b3a075263ca29fa609696d7ef2d18b79ef7da4998c75a36c9bda2bd2beb456ae08f31
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Filesize
379B
MD52229cf5789dde916f76e2fcc1feb0a79
SHA143414adea3f0b537aae4ac0f884678b8a7fe21fb
SHA256eccddbff564c04173b6704b3c3cdc3cd2cb166acbd97e8d18dd39286d9460760
SHA51248ae3dfe5f5061c109ac281f21f5c4526e212421b5df516937eabc7780ffef2c8f6aa58a93af8a069603a37d20e0c1852f2c9776ed2d34701720455546befde1