Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2024 11:21
Behavioral task
behavioral1
Sample
2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe
Resource
win7-20240903-en
windows7-x64
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
22 signatures
150 seconds
General
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Target
2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe
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Size
21KB
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MD5
c3da55d1318ba9fd34811c349d231a26
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SHA1
3b0be2263b83db8fcc0c7cf2218755edff6d3200
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SHA256
16f799a24f546df5e9aa8a44fee005b99ea34b4022a124a955bdac3660f4be82
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SHA512
3ecbedc46625a9e1f079878989cffd89f47b44385c3fb223f42c82cac74b682f3d2c5c902cbece43a6f8e59026060d35e1e1b66c80ddee21009d82e0caea6fe3
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SSDEEP
384:T3Mg/bqo27ye3px9XOjzJmr91C+Ymaey:lqo2+e3pzOjVmr90rey
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/208-1-0x0000000000E60000-0x0000000000E6C000-memory.dmp family_chaos behavioral2/files/0x0008000000023c84-6.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 4696 bcdedit.exe 4188 bcdedit.exe -
pid Process 4816 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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\read_it.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2168 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\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\Contacts\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\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\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\Desktop\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\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\Recent\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\Public\Videos\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\Internet Explorer\Quick Launch\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\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\Saved Games\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\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\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\Saved 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_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 2940 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1680 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2168 svchost.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe 2168 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe Token: SeDebugPrivilege 2168 svchost.exe Token: SeBackupPrivilege 1376 vssvc.exe Token: SeRestorePrivilege 1376 vssvc.exe Token: SeAuditPrivilege 1376 vssvc.exe Token: SeIncreaseQuotaPrivilege 2808 WMIC.exe Token: SeSecurityPrivilege 2808 WMIC.exe Token: SeTakeOwnershipPrivilege 2808 WMIC.exe Token: SeLoadDriverPrivilege 2808 WMIC.exe Token: SeSystemProfilePrivilege 2808 WMIC.exe Token: SeSystemtimePrivilege 2808 WMIC.exe Token: SeProfSingleProcessPrivilege 2808 WMIC.exe Token: SeIncBasePriorityPrivilege 2808 WMIC.exe Token: SeCreatePagefilePrivilege 2808 WMIC.exe Token: SeBackupPrivilege 2808 WMIC.exe Token: SeRestorePrivilege 2808 WMIC.exe Token: SeShutdownPrivilege 2808 WMIC.exe Token: SeDebugPrivilege 2808 WMIC.exe Token: SeSystemEnvironmentPrivilege 2808 WMIC.exe Token: SeRemoteShutdownPrivilege 2808 WMIC.exe Token: SeUndockPrivilege 2808 WMIC.exe Token: SeManageVolumePrivilege 2808 WMIC.exe Token: 33 2808 WMIC.exe Token: 34 2808 WMIC.exe Token: 35 2808 WMIC.exe Token: 36 2808 WMIC.exe Token: SeIncreaseQuotaPrivilege 2808 WMIC.exe Token: SeSecurityPrivilege 2808 WMIC.exe Token: SeTakeOwnershipPrivilege 2808 WMIC.exe Token: SeLoadDriverPrivilege 2808 WMIC.exe Token: SeSystemProfilePrivilege 2808 WMIC.exe Token: SeSystemtimePrivilege 2808 WMIC.exe Token: SeProfSingleProcessPrivilege 2808 WMIC.exe Token: SeIncBasePriorityPrivilege 2808 WMIC.exe Token: SeCreatePagefilePrivilege 2808 WMIC.exe Token: SeBackupPrivilege 2808 WMIC.exe Token: SeRestorePrivilege 2808 WMIC.exe Token: SeShutdownPrivilege 2808 WMIC.exe Token: SeDebugPrivilege 2808 WMIC.exe Token: SeSystemEnvironmentPrivilege 2808 WMIC.exe Token: SeRemoteShutdownPrivilege 2808 WMIC.exe Token: SeUndockPrivilege 2808 WMIC.exe Token: SeManageVolumePrivilege 2808 WMIC.exe Token: 33 2808 WMIC.exe Token: 34 2808 WMIC.exe Token: 35 2808 WMIC.exe Token: 36 2808 WMIC.exe Token: SeBackupPrivilege 924 wbengine.exe Token: SeRestorePrivilege 924 wbengine.exe Token: SeSecurityPrivilege 924 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 208 wrote to memory of 2168 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 83 PID 208 wrote to memory of 2168 208 2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe 83 PID 2168 wrote to memory of 2812 2168 svchost.exe 88 PID 2168 wrote to memory of 2812 2168 svchost.exe 88 PID 2812 wrote to memory of 2940 2812 cmd.exe 90 PID 2812 wrote to memory of 2940 2812 cmd.exe 90 PID 2812 wrote to memory of 2808 2812 cmd.exe 94 PID 2812 wrote to memory of 2808 2812 cmd.exe 94 PID 2168 wrote to memory of 3616 2168 svchost.exe 97 PID 2168 wrote to memory of 3616 2168 svchost.exe 97 PID 3616 wrote to memory of 4696 3616 cmd.exe 99 PID 3616 wrote to memory of 4696 3616 cmd.exe 99 PID 3616 wrote to memory of 4188 3616 cmd.exe 100 PID 3616 wrote to memory of 4188 3616 cmd.exe 100 PID 2168 wrote to memory of 2696 2168 svchost.exe 101 PID 2168 wrote to memory of 2696 2168 svchost.exe 101 PID 2696 wrote to memory of 4816 2696 cmd.exe 103 PID 2696 wrote to memory of 4816 2696 cmd.exe 103 PID 2168 wrote to memory of 1680 2168 svchost.exe 108 PID 2168 wrote to memory of 1680 2168 svchost.exe 108 -
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\2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-30_c3da55d1318ba9fd34811c349d231a26_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
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:2168 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2940
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2808
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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:3616 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4696
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4188
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4816
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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:1680
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1376
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:924
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1096
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD5c3da55d1318ba9fd34811c349d231a26
SHA13b0be2263b83db8fcc0c7cf2218755edff6d3200
SHA25616f799a24f546df5e9aa8a44fee005b99ea34b4022a124a955bdac3660f4be82
SHA5123ecbedc46625a9e1f079878989cffd89f47b44385c3fb223f42c82cac74b682f3d2c5c902cbece43a6f8e59026060d35e1e1b66c80ddee21009d82e0caea6fe3
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Filesize
13B
MD56642d228a877a083cabb3c1ba59358c6
SHA1fc7ec9e57bea338f0c9f21816aefd86afa548574
SHA2562aa961014af3ebabacd01e31f283fcc08b428714448c561819ea6c3b8724fc27
SHA51266294d6eb6748113e651a2be328fee0bf109adc1f09a73c9a836ceea66f605a35a43f34624f5fb9f181730d981ebb95ac590aa91264daed7e79a2d09f97a1513