Analysis
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max time kernel
134s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2024 01:31
Behavioral task
behavioral1
Sample
2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe
Resource
win7-20231215-en
windows7-x64
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
23 signatures
150 seconds
General
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Target
2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe
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Size
24KB
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MD5
dc9e50c14925c72ae3c5293bf45e7fc3
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SHA1
f05a6a8390a2f4c96cc5f1aa47ffc9e4dafce500
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SHA256
aec0d451d6ca843979b2bbdfe0aec122e732e70f40ef590fb4563d8452ac82f5
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SHA512
e0cd1f125b3307c0a3faa4d22547740126b99fc47650be0584b9f5cd24b53ad5b7c759f23e2450add23797b6653cc21fa3dbc70f552ff484ac7787acef24b8f5
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SSDEEP
384:u3Mg/bqo2dbEyyEvbfEbMbp7DKB+98sJAr91CwDwbueP:Mqo2/jEOp7DWNkAr9nUaeP
Score
10/10
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/2976-0-0x00000000009F0000-0x00000000009FC000-memory.dmp family_chaos behavioral2/files/0x000600000002310b-6.dat 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 2 IoCs
resource yara_rule behavioral2/memory/2976-0-0x00000000009F0000-0x00000000009FC000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x000600000002310b-6.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4144 bcdedit.exe 1228 bcdedit.exe -
Renames multiple (177) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 1644 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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe 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\OPEN_THIS.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3152 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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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3073191680-435865314-2862784915-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\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\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\Accessibility\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\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\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\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\AppData\Roaming\Microsoft\Windows\Recent\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\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\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\Pictures\desktop.ini svchost.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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 916 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3108 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3152 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe 3152 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe Token: SeDebugPrivilege 3152 svchost.exe Token: SeBackupPrivilege 1660 vssvc.exe Token: SeRestorePrivilege 1660 vssvc.exe Token: SeAuditPrivilege 1660 vssvc.exe Token: SeIncreaseQuotaPrivilege 4736 WMIC.exe Token: SeSecurityPrivilege 4736 WMIC.exe Token: SeTakeOwnershipPrivilege 4736 WMIC.exe Token: SeLoadDriverPrivilege 4736 WMIC.exe Token: SeSystemProfilePrivilege 4736 WMIC.exe Token: SeSystemtimePrivilege 4736 WMIC.exe Token: SeProfSingleProcessPrivilege 4736 WMIC.exe Token: SeIncBasePriorityPrivilege 4736 WMIC.exe Token: SeCreatePagefilePrivilege 4736 WMIC.exe Token: SeBackupPrivilege 4736 WMIC.exe Token: SeRestorePrivilege 4736 WMIC.exe Token: SeShutdownPrivilege 4736 WMIC.exe Token: SeDebugPrivilege 4736 WMIC.exe Token: SeSystemEnvironmentPrivilege 4736 WMIC.exe Token: SeRemoteShutdownPrivilege 4736 WMIC.exe Token: SeUndockPrivilege 4736 WMIC.exe Token: SeManageVolumePrivilege 4736 WMIC.exe Token: 33 4736 WMIC.exe Token: 34 4736 WMIC.exe Token: 35 4736 WMIC.exe Token: 36 4736 WMIC.exe Token: SeIncreaseQuotaPrivilege 4736 WMIC.exe Token: SeSecurityPrivilege 4736 WMIC.exe Token: SeTakeOwnershipPrivilege 4736 WMIC.exe Token: SeLoadDriverPrivilege 4736 WMIC.exe Token: SeSystemProfilePrivilege 4736 WMIC.exe Token: SeSystemtimePrivilege 4736 WMIC.exe Token: SeProfSingleProcessPrivilege 4736 WMIC.exe Token: SeIncBasePriorityPrivilege 4736 WMIC.exe Token: SeCreatePagefilePrivilege 4736 WMIC.exe Token: SeBackupPrivilege 4736 WMIC.exe Token: SeRestorePrivilege 4736 WMIC.exe Token: SeShutdownPrivilege 4736 WMIC.exe Token: SeDebugPrivilege 4736 WMIC.exe Token: SeSystemEnvironmentPrivilege 4736 WMIC.exe Token: SeRemoteShutdownPrivilege 4736 WMIC.exe Token: SeUndockPrivilege 4736 WMIC.exe Token: SeManageVolumePrivilege 4736 WMIC.exe Token: 33 4736 WMIC.exe Token: 34 4736 WMIC.exe Token: 35 4736 WMIC.exe Token: 36 4736 WMIC.exe Token: SeBackupPrivilege 3212 wbengine.exe Token: SeRestorePrivilege 3212 wbengine.exe Token: SeSecurityPrivilege 3212 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2976 wrote to memory of 3152 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 84 PID 2976 wrote to memory of 3152 2976 2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe 84 PID 3152 wrote to memory of 1820 3152 svchost.exe 87 PID 3152 wrote to memory of 1820 3152 svchost.exe 87 PID 1820 wrote to memory of 916 1820 cmd.exe 89 PID 1820 wrote to memory of 916 1820 cmd.exe 89 PID 1820 wrote to memory of 4736 1820 cmd.exe 92 PID 1820 wrote to memory of 4736 1820 cmd.exe 92 PID 3152 wrote to memory of 4972 3152 svchost.exe 94 PID 3152 wrote to memory of 4972 3152 svchost.exe 94 PID 4972 wrote to memory of 4144 4972 cmd.exe 96 PID 4972 wrote to memory of 4144 4972 cmd.exe 96 PID 4972 wrote to memory of 1228 4972 cmd.exe 97 PID 4972 wrote to memory of 1228 4972 cmd.exe 97 PID 3152 wrote to memory of 4504 3152 svchost.exe 98 PID 3152 wrote to memory of 4504 3152 svchost.exe 98 PID 4504 wrote to memory of 1644 4504 cmd.exe 100 PID 4504 wrote to memory of 1644 4504 cmd.exe 100 PID 3152 wrote to memory of 3108 3152 svchost.exe 104 PID 3152 wrote to memory of 3108 3152 svchost.exe 104 -
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\2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-03_dc9e50c14925c72ae3c5293bf45e7fc3_chaos_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.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:3152 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:916
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4736
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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:4972 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4144
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1228
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1644
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\OPEN_THIS.txt3⤵
- Opens file in notepad (likely ransom note)
PID:3108
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3212
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:216
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2348
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
24KB
MD5dc9e50c14925c72ae3c5293bf45e7fc3
SHA1f05a6a8390a2f4c96cc5f1aa47ffc9e4dafce500
SHA256aec0d451d6ca843979b2bbdfe0aec122e732e70f40ef590fb4563d8452ac82f5
SHA512e0cd1f125b3307c0a3faa4d22547740126b99fc47650be0584b9f5cd24b53ad5b7c759f23e2450add23797b6653cc21fa3dbc70f552ff484ac7787acef24b8f5
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Filesize
1KB
MD5ba45f3db1eec79edfdcb1683dc1fcd1c
SHA149d150a6ffa6171ecf2427d700bbed732ce5ca9d
SHA256ed4c8a2dcc8a8b101538b45558b4f56a4a4e3e07235e6f6a232b85118ee16551
SHA5120384b11746073e511c33bab53a036f12315f132089dd8204e416905d6251d53c4a656ec9b66913dfaa14b203b5c19ae7f1a272352fc30dde91eb9132de52d9a4