Analysis
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max time kernel
104s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2025, 10:03
Behavioral task
behavioral1
Sample
2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe
Resource
win10v2004-20250314-en
General
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Target
2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe
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Size
927KB
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MD5
04ce8e7391c4af9e1d6182dbac561586
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SHA1
74abf8118e9d1b817bfa968cece11c35256d632e
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SHA256
718c56527df3690bdf0bd39455af6674d49fd3f8a4a7ae3b0adcb9e6491cfa44
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SHA512
a4395f7a0345d154393cc093320922be4978366d71bff40f0c642d5f28ff339bea550bd153e10420f6dd9880632800e42e5e2add6b4c59fc212b7e03f3c5d432
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SSDEEP
12288:I7vCnUpxMUUyNdg8tss7X6Ju4O20tHsIFpfpI09yVoHyIa60b8clZmoojaUEAojz:I7Y0/jQuoh7Pw2
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/2600-1-0x0000000000F90000-0x000000000107E000-memory.dmp family_chaos behavioral2/files/0x000a000000024247-6.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 936 bcdedit.exe 1324 bcdedit.exe -
pid Process 2708 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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\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\note.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 4752 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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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\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\Desktop\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\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\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\AccountPictures\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\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\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\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\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3975168204-1612096350-4002976354-1000\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c1blkof5p.jpg" 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_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 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1100 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2512 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4752 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe Token: SeDebugPrivilege 4752 svchost.exe Token: SeBackupPrivilege 4060 vssvc.exe Token: SeRestorePrivilege 4060 vssvc.exe Token: SeAuditPrivilege 4060 vssvc.exe Token: SeIncreaseQuotaPrivilege 4280 WMIC.exe Token: SeSecurityPrivilege 4280 WMIC.exe Token: SeTakeOwnershipPrivilege 4280 WMIC.exe Token: SeLoadDriverPrivilege 4280 WMIC.exe Token: SeSystemProfilePrivilege 4280 WMIC.exe Token: SeSystemtimePrivilege 4280 WMIC.exe Token: SeProfSingleProcessPrivilege 4280 WMIC.exe Token: SeIncBasePriorityPrivilege 4280 WMIC.exe Token: SeCreatePagefilePrivilege 4280 WMIC.exe Token: SeBackupPrivilege 4280 WMIC.exe Token: SeRestorePrivilege 4280 WMIC.exe Token: SeShutdownPrivilege 4280 WMIC.exe Token: SeDebugPrivilege 4280 WMIC.exe Token: SeSystemEnvironmentPrivilege 4280 WMIC.exe Token: SeRemoteShutdownPrivilege 4280 WMIC.exe Token: SeUndockPrivilege 4280 WMIC.exe Token: SeManageVolumePrivilege 4280 WMIC.exe Token: 33 4280 WMIC.exe Token: 34 4280 WMIC.exe Token: 35 4280 WMIC.exe Token: 36 4280 WMIC.exe Token: SeIncreaseQuotaPrivilege 4280 WMIC.exe Token: SeSecurityPrivilege 4280 WMIC.exe Token: SeTakeOwnershipPrivilege 4280 WMIC.exe Token: SeLoadDriverPrivilege 4280 WMIC.exe Token: SeSystemProfilePrivilege 4280 WMIC.exe Token: SeSystemtimePrivilege 4280 WMIC.exe Token: SeProfSingleProcessPrivilege 4280 WMIC.exe Token: SeIncBasePriorityPrivilege 4280 WMIC.exe Token: SeCreatePagefilePrivilege 4280 WMIC.exe Token: SeBackupPrivilege 4280 WMIC.exe Token: SeRestorePrivilege 4280 WMIC.exe Token: SeShutdownPrivilege 4280 WMIC.exe Token: SeDebugPrivilege 4280 WMIC.exe Token: SeSystemEnvironmentPrivilege 4280 WMIC.exe Token: SeRemoteShutdownPrivilege 4280 WMIC.exe Token: SeUndockPrivilege 4280 WMIC.exe Token: SeManageVolumePrivilege 4280 WMIC.exe Token: 33 4280 WMIC.exe Token: 34 4280 WMIC.exe Token: 35 4280 WMIC.exe Token: 36 4280 WMIC.exe Token: SeBackupPrivilege 2276 wbengine.exe Token: SeRestorePrivilege 2276 wbengine.exe Token: SeSecurityPrivilege 2276 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2600 wrote to memory of 4752 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 93 PID 2600 wrote to memory of 4752 2600 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 93 PID 4752 wrote to memory of 5620 4752 svchost.exe 95 PID 4752 wrote to memory of 5620 4752 svchost.exe 95 PID 5620 wrote to memory of 1100 5620 cmd.exe 97 PID 5620 wrote to memory of 1100 5620 cmd.exe 97 PID 5620 wrote to memory of 4280 5620 cmd.exe 100 PID 5620 wrote to memory of 4280 5620 cmd.exe 100 PID 4752 wrote to memory of 3568 4752 svchost.exe 101 PID 4752 wrote to memory of 3568 4752 svchost.exe 101 PID 3568 wrote to memory of 936 3568 cmd.exe 103 PID 3568 wrote to memory of 936 3568 cmd.exe 103 PID 3568 wrote to memory of 1324 3568 cmd.exe 104 PID 3568 wrote to memory of 1324 3568 cmd.exe 104 PID 4752 wrote to memory of 4116 4752 svchost.exe 105 PID 4752 wrote to memory of 4116 4752 svchost.exe 105 PID 4116 wrote to memory of 2708 4116 cmd.exe 107 PID 4116 wrote to memory of 2708 4116 cmd.exe 107 PID 4752 wrote to memory of 2512 4752 svchost.exe 111 PID 4752 wrote to memory of 2512 4752 svchost.exe 111 -
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\2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2600 -
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)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:5620 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:1100
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4280
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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:3568 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:936
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1324
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2708
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\note.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2512
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4060
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2276
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:5732
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4132
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
927KB
MD504ce8e7391c4af9e1d6182dbac561586
SHA174abf8118e9d1b817bfa968cece11c35256d632e
SHA256718c56527df3690bdf0bd39455af6674d49fd3f8a4a7ae3b0adcb9e6491cfa44
SHA512a4395f7a0345d154393cc093320922be4978366d71bff40f0c642d5f28ff339bea550bd153e10420f6dd9880632800e42e5e2add6b4c59fc212b7e03f3c5d432
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Filesize
46B
MD5ab44624d3e7b8c8d02b4928a625300fb
SHA127ff81a1a0b9479ff6c10613108a62d4311e8aac
SHA2563350c7d6b56d8451b0729c2e5fe2a0a0ff44ac3697cf32cdf8090cff5b2355ef
SHA51246c9fc8a09c6238b739c5c9697d548d15c89b2e9152973a155ba6a777de9b662d6e92bdba50a06b4a3668e69d8948b2f156537e31cd1cdd3374a55de4e2d06e7