Analysis
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max time kernel
136s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 18:36
Behavioral task
behavioral1
Sample
2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe
Resource
win10v2004-20240611-en
General
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Target
2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe
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Size
39KB
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MD5
a6f55eb63c97d4099876dcbe3e2e007a
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SHA1
4f554f5bf5381285c5fd9199107ff91aa42798ab
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SHA256
3c19762ef8551c8f97ebac5fc0b5d37023286c96c3e70a18840bd86fa3800d14
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SHA512
7637b96c1ce28619af005d4d012968953f6d1fc7c81f7444557a33d86e7081c3d0aa9919cb6ae95fcf1febabaf5feae5ca7ad5d002c4901ede9bf93dbc212818
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SSDEEP
768:hqo2WM71np65YAHMDr9gzPHSDqfTyPPDdXOyT1/WwrwgceeU:ko2WMKCAHMDr9gzaDNPPDdXb/YgheU
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/1248-0-0x0000000000570000-0x0000000000580000-memory.dmp family_chaos behavioral2/files/0x000c0000000006c3-6.dat family_chaos -
Deletes shadow copies 3 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/1248-0-0x0000000000570000-0x0000000000580000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x000c0000000006c3-6.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4928 bcdedit.exe 4276 bcdedit.exe -
pid Process 1244 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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\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\lol.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2340 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-1-5-21-2080292272-204036150-2159171770-1000\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\Saved Games\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\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\Favorites\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\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Libraries\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\Documents\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\Start Menu\Programs\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\Admin\Favorites\Links\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\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\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\Start Menu\Programs\System Tools\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\Roaming\Microsoft\Internet Explorer\Quick Launch\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\Public\Pictures\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\yu6z7bekz.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\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 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 -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 64 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3944 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2340 svchost.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe 2340 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe Token: SeDebugPrivilege 2340 svchost.exe Token: SeBackupPrivilege 2424 vssvc.exe Token: SeRestorePrivilege 2424 vssvc.exe Token: SeAuditPrivilege 2424 vssvc.exe Token: SeIncreaseQuotaPrivilege 4348 WMIC.exe Token: SeSecurityPrivilege 4348 WMIC.exe Token: SeTakeOwnershipPrivilege 4348 WMIC.exe Token: SeLoadDriverPrivilege 4348 WMIC.exe Token: SeSystemProfilePrivilege 4348 WMIC.exe Token: SeSystemtimePrivilege 4348 WMIC.exe Token: SeProfSingleProcessPrivilege 4348 WMIC.exe Token: SeIncBasePriorityPrivilege 4348 WMIC.exe Token: SeCreatePagefilePrivilege 4348 WMIC.exe Token: SeBackupPrivilege 4348 WMIC.exe Token: SeRestorePrivilege 4348 WMIC.exe Token: SeShutdownPrivilege 4348 WMIC.exe Token: SeDebugPrivilege 4348 WMIC.exe Token: SeSystemEnvironmentPrivilege 4348 WMIC.exe Token: SeRemoteShutdownPrivilege 4348 WMIC.exe Token: SeUndockPrivilege 4348 WMIC.exe Token: SeManageVolumePrivilege 4348 WMIC.exe Token: 33 4348 WMIC.exe Token: 34 4348 WMIC.exe Token: 35 4348 WMIC.exe Token: 36 4348 WMIC.exe Token: SeIncreaseQuotaPrivilege 4348 WMIC.exe Token: SeSecurityPrivilege 4348 WMIC.exe Token: SeTakeOwnershipPrivilege 4348 WMIC.exe Token: SeLoadDriverPrivilege 4348 WMIC.exe Token: SeSystemProfilePrivilege 4348 WMIC.exe Token: SeSystemtimePrivilege 4348 WMIC.exe Token: SeProfSingleProcessPrivilege 4348 WMIC.exe Token: SeIncBasePriorityPrivilege 4348 WMIC.exe Token: SeCreatePagefilePrivilege 4348 WMIC.exe Token: SeBackupPrivilege 4348 WMIC.exe Token: SeRestorePrivilege 4348 WMIC.exe Token: SeShutdownPrivilege 4348 WMIC.exe Token: SeDebugPrivilege 4348 WMIC.exe Token: SeSystemEnvironmentPrivilege 4348 WMIC.exe Token: SeRemoteShutdownPrivilege 4348 WMIC.exe Token: SeUndockPrivilege 4348 WMIC.exe Token: SeManageVolumePrivilege 4348 WMIC.exe Token: 33 4348 WMIC.exe Token: 34 4348 WMIC.exe Token: 35 4348 WMIC.exe Token: 36 4348 WMIC.exe Token: SeBackupPrivilege 2248 wbengine.exe Token: SeRestorePrivilege 2248 wbengine.exe Token: SeSecurityPrivilege 2248 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1248 wrote to memory of 2340 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 85 PID 1248 wrote to memory of 2340 1248 2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe 85 PID 2340 wrote to memory of 4008 2340 svchost.exe 89 PID 2340 wrote to memory of 4008 2340 svchost.exe 89 PID 4008 wrote to memory of 64 4008 cmd.exe 91 PID 4008 wrote to memory of 64 4008 cmd.exe 91 PID 4008 wrote to memory of 4348 4008 cmd.exe 94 PID 4008 wrote to memory of 4348 4008 cmd.exe 94 PID 2340 wrote to memory of 2268 2340 svchost.exe 97 PID 2340 wrote to memory of 2268 2340 svchost.exe 97 PID 2268 wrote to memory of 4928 2268 cmd.exe 99 PID 2268 wrote to memory of 4928 2268 cmd.exe 99 PID 2268 wrote to memory of 4276 2268 cmd.exe 100 PID 2268 wrote to memory of 4276 2268 cmd.exe 100 PID 2340 wrote to memory of 2596 2340 svchost.exe 101 PID 2340 wrote to memory of 2596 2340 svchost.exe 101 PID 2596 wrote to memory of 1244 2596 cmd.exe 103 PID 2596 wrote to memory of 1244 2596 cmd.exe 103 PID 2340 wrote to memory of 3944 2340 svchost.exe 107 PID 2340 wrote to memory of 3944 2340 svchost.exe 107 -
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\2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-01_a6f55eb63c97d4099876dcbe3e2e007a_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248 -
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:2340 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:64
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4348
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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:2268 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4928
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4276
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1244
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\lol.txt3⤵
- Opens file in notepad (likely ransom note)
PID:3944
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2424
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2580
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4448
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD5a6f55eb63c97d4099876dcbe3e2e007a
SHA14f554f5bf5381285c5fd9199107ff91aa42798ab
SHA2563c19762ef8551c8f97ebac5fc0b5d37023286c96c3e70a18840bd86fa3800d14
SHA5127637b96c1ce28619af005d4d012968953f6d1fc7c81f7444557a33d86e7081c3d0aa9919cb6ae95fcf1febabaf5feae5ca7ad5d002c4901ede9bf93dbc212818
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Filesize
55B
MD5d49031810fc87f72297762dd70e14a66
SHA11eea7d9acfcd5c1ffc4fb68413424a87ec7756de
SHA256b6481a1305eb2633d7a73e81b20eaf4184eb614632c5780e5517531804cc54e3
SHA512e24ac495ce8cd4c05dc6a50d799abc7c2911ce50b54cee7e49831f7fa8454aa3f79ddd404cc3623b5340802abb57dda7451059b8ad3d2989d3746a7195932a5b