Analysis
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max time kernel
126s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2024 15:24
Behavioral task
behavioral1
Sample
2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe
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Size
26KB
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MD5
9a0a653a28144ed4aef29c405eed6cd5
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SHA1
80b6f3d4ea6efd4bec02cb6864a179ffcbf7ea5e
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SHA256
a37e08164fbf4bcfe5e4a8b818ec45b150f0e4206a1ecb84489a5e34c7d528cb
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SHA512
0a98cd89d9693f7984826f0ed4cb54bf359415b2a203fc19631c12d982cd5b80c160e8b7315689cbb2df9a1eac0e79d99df0c82bd86662f7916020177eba17e7
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SSDEEP
384:A3Mg/bqo2vLPQUvuIqpm9FOjUJnr91Cep4DqHaQ0jseO:+qo2MU0pIOj8nr9N+DqHEIeO
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
https://tox.chat/download.html
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/740-1-0x0000000000DA0000-0x0000000000DAC000-memory.dmp family_chaos behavioral2/files/0x00080000000236a1-6.dat family_chaos -
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 3904 bcdedit.exe 432 bcdedit.exe -
pid Process 1280 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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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 5068 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 C:\Users\Admin\OneDrive\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\Internet Explorer\Quick Launch\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\Links\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\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\Desktop\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\Videos\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\Music\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\Accessories\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 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\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\Searches\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\AppData\Roaming\Microsoft\Windows\Libraries\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\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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\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 2664 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4440 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5068 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe 5068 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe Token: SeDebugPrivilege 5068 svchost.exe Token: SeBackupPrivilege 3832 vssvc.exe Token: SeRestorePrivilege 3832 vssvc.exe Token: SeAuditPrivilege 3832 vssvc.exe Token: SeIncreaseQuotaPrivilege 2692 WMIC.exe Token: SeSecurityPrivilege 2692 WMIC.exe Token: SeTakeOwnershipPrivilege 2692 WMIC.exe Token: SeLoadDriverPrivilege 2692 WMIC.exe Token: SeSystemProfilePrivilege 2692 WMIC.exe Token: SeSystemtimePrivilege 2692 WMIC.exe Token: SeProfSingleProcessPrivilege 2692 WMIC.exe Token: SeIncBasePriorityPrivilege 2692 WMIC.exe Token: SeCreatePagefilePrivilege 2692 WMIC.exe Token: SeBackupPrivilege 2692 WMIC.exe Token: SeRestorePrivilege 2692 WMIC.exe Token: SeShutdownPrivilege 2692 WMIC.exe Token: SeDebugPrivilege 2692 WMIC.exe Token: SeSystemEnvironmentPrivilege 2692 WMIC.exe Token: SeRemoteShutdownPrivilege 2692 WMIC.exe Token: SeUndockPrivilege 2692 WMIC.exe Token: SeManageVolumePrivilege 2692 WMIC.exe Token: 33 2692 WMIC.exe Token: 34 2692 WMIC.exe Token: 35 2692 WMIC.exe Token: 36 2692 WMIC.exe Token: SeIncreaseQuotaPrivilege 2692 WMIC.exe Token: SeSecurityPrivilege 2692 WMIC.exe Token: SeTakeOwnershipPrivilege 2692 WMIC.exe Token: SeLoadDriverPrivilege 2692 WMIC.exe Token: SeSystemProfilePrivilege 2692 WMIC.exe Token: SeSystemtimePrivilege 2692 WMIC.exe Token: SeProfSingleProcessPrivilege 2692 WMIC.exe Token: SeIncBasePriorityPrivilege 2692 WMIC.exe Token: SeCreatePagefilePrivilege 2692 WMIC.exe Token: SeBackupPrivilege 2692 WMIC.exe Token: SeRestorePrivilege 2692 WMIC.exe Token: SeShutdownPrivilege 2692 WMIC.exe Token: SeDebugPrivilege 2692 WMIC.exe Token: SeSystemEnvironmentPrivilege 2692 WMIC.exe Token: SeRemoteShutdownPrivilege 2692 WMIC.exe Token: SeUndockPrivilege 2692 WMIC.exe Token: SeManageVolumePrivilege 2692 WMIC.exe Token: 33 2692 WMIC.exe Token: 34 2692 WMIC.exe Token: 35 2692 WMIC.exe Token: 36 2692 WMIC.exe Token: SeBackupPrivilege 1256 wbengine.exe Token: SeRestorePrivilege 1256 wbengine.exe Token: SeSecurityPrivilege 1256 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 740 wrote to memory of 5068 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 91 PID 740 wrote to memory of 5068 740 2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe 91 PID 5068 wrote to memory of 2512 5068 svchost.exe 97 PID 5068 wrote to memory of 2512 5068 svchost.exe 97 PID 2512 wrote to memory of 2664 2512 cmd.exe 99 PID 2512 wrote to memory of 2664 2512 cmd.exe 99 PID 2512 wrote to memory of 2692 2512 cmd.exe 102 PID 2512 wrote to memory of 2692 2512 cmd.exe 102 PID 5068 wrote to memory of 1648 5068 svchost.exe 103 PID 5068 wrote to memory of 1648 5068 svchost.exe 103 PID 1648 wrote to memory of 3904 1648 cmd.exe 105 PID 1648 wrote to memory of 3904 1648 cmd.exe 105 PID 1648 wrote to memory of 432 1648 cmd.exe 106 PID 1648 wrote to memory of 432 1648 cmd.exe 106 PID 5068 wrote to memory of 3988 5068 svchost.exe 107 PID 5068 wrote to memory of 3988 5068 svchost.exe 107 PID 3988 wrote to memory of 1280 3988 cmd.exe 110 PID 3988 wrote to memory of 1280 3988 cmd.exe 110 PID 5068 wrote to memory of 4440 5068 svchost.exe 115 PID 5068 wrote to memory of 4440 5068 svchost.exe 115 -
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\2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-16_9a0a653a28144ed4aef29c405eed6cd5_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740 -
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:5068 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2664
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2692
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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:1648 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3904
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:432
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1280
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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:4440
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4220,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:81⤵PID:1820
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3832
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1256
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1616
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
26KB
MD59a0a653a28144ed4aef29c405eed6cd5
SHA180b6f3d4ea6efd4bec02cb6864a179ffcbf7ea5e
SHA256a37e08164fbf4bcfe5e4a8b818ec45b150f0e4206a1ecb84489a5e34c7d528cb
SHA5120a98cd89d9693f7984826f0ed4cb54bf359415b2a203fc19631c12d982cd5b80c160e8b7315689cbb2df9a1eac0e79d99df0c82bd86662f7916020177eba17e7
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Filesize
2KB
MD5054c24bebee63e5f3cbbbf70b8548942
SHA15a2e4f1882f7c76dce6b4d2b610485ae5852789d
SHA2563ddc818e4b33b6b08abee5564011530939aa8a6f601ec00d672a31aeab9bf09f
SHA5123168fcd8340945458503f35aa482f378435d3929eba614b5af61a4191bf83a39b231fc947b54539f9553e43f9f5125ba51b872bc84b783c1fa77b38a30ed3094