Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
96s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2024, 03:35
Behavioral task
behavioral1
Sample
2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe
-
Size
23KB
-
MD5
e1be34b8216efb41ca73194d28956eeb
-
SHA1
9136f76094b2a584389461540cd063425ab1becc
-
SHA256
cc415435bfa94029b8a0686c12172491b4bbedbf38ad7f26b2c8ee32805ba950
-
SHA512
400d99c5e758e7f45f22a702107074b2491607cc84d539b5fa1a9021588cdea3f099540d699dde436f682189324bc8b3651bfef3e6dbd16c82fab505f75feed1
-
SSDEEP
384:CS3Mg/bqo2mcxtivpZqjuwzU7JHr91CIxb5Aez:Hqo2ptMpgjKNHr93xbqez
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
Signatures
-
Chaos
Ransomware family first seen in June 2021.
-
Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/752-1-0x00000000003F0000-0x00000000003FC000-memory.dmp family_chaos behavioral2/files/0x00080000000233fa-6.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 3448 bcdedit.exe 4896 bcdedit.exe -
pid Process 3560 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\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 1116 svchost.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 34 IoCs
description ioc Process 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\Pictures\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\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\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\Libraries\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\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\Pictures\Saved Pictures\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\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\Admin\Downloads\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\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\Admin\Favorites\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\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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 4024 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2712 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1116 svchost.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe 1116 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe Token: SeDebugPrivilege 1116 svchost.exe Token: SeBackupPrivilege 2180 vssvc.exe Token: SeRestorePrivilege 2180 vssvc.exe Token: SeAuditPrivilege 2180 vssvc.exe Token: SeIncreaseQuotaPrivilege 2936 WMIC.exe Token: SeSecurityPrivilege 2936 WMIC.exe Token: SeTakeOwnershipPrivilege 2936 WMIC.exe Token: SeLoadDriverPrivilege 2936 WMIC.exe Token: SeSystemProfilePrivilege 2936 WMIC.exe Token: SeSystemtimePrivilege 2936 WMIC.exe Token: SeProfSingleProcessPrivilege 2936 WMIC.exe Token: SeIncBasePriorityPrivilege 2936 WMIC.exe Token: SeCreatePagefilePrivilege 2936 WMIC.exe Token: SeBackupPrivilege 2936 WMIC.exe Token: SeRestorePrivilege 2936 WMIC.exe Token: SeShutdownPrivilege 2936 WMIC.exe Token: SeDebugPrivilege 2936 WMIC.exe Token: SeSystemEnvironmentPrivilege 2936 WMIC.exe Token: SeRemoteShutdownPrivilege 2936 WMIC.exe Token: SeUndockPrivilege 2936 WMIC.exe Token: SeManageVolumePrivilege 2936 WMIC.exe Token: 33 2936 WMIC.exe Token: 34 2936 WMIC.exe Token: 35 2936 WMIC.exe Token: 36 2936 WMIC.exe Token: SeIncreaseQuotaPrivilege 2936 WMIC.exe Token: SeSecurityPrivilege 2936 WMIC.exe Token: SeTakeOwnershipPrivilege 2936 WMIC.exe Token: SeLoadDriverPrivilege 2936 WMIC.exe Token: SeSystemProfilePrivilege 2936 WMIC.exe Token: SeSystemtimePrivilege 2936 WMIC.exe Token: SeProfSingleProcessPrivilege 2936 WMIC.exe Token: SeIncBasePriorityPrivilege 2936 WMIC.exe Token: SeCreatePagefilePrivilege 2936 WMIC.exe Token: SeBackupPrivilege 2936 WMIC.exe Token: SeRestorePrivilege 2936 WMIC.exe Token: SeShutdownPrivilege 2936 WMIC.exe Token: SeDebugPrivilege 2936 WMIC.exe Token: SeSystemEnvironmentPrivilege 2936 WMIC.exe Token: SeRemoteShutdownPrivilege 2936 WMIC.exe Token: SeUndockPrivilege 2936 WMIC.exe Token: SeManageVolumePrivilege 2936 WMIC.exe Token: 33 2936 WMIC.exe Token: 34 2936 WMIC.exe Token: 35 2936 WMIC.exe Token: 36 2936 WMIC.exe Token: SeBackupPrivilege 3788 wbengine.exe Token: SeRestorePrivilege 3788 wbengine.exe Token: SeSecurityPrivilege 3788 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 752 wrote to memory of 1116 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 82 PID 752 wrote to memory of 1116 752 2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe 82 PID 1116 wrote to memory of 2680 1116 svchost.exe 84 PID 1116 wrote to memory of 2680 1116 svchost.exe 84 PID 2680 wrote to memory of 4024 2680 cmd.exe 86 PID 2680 wrote to memory of 4024 2680 cmd.exe 86 PID 2680 wrote to memory of 2936 2680 cmd.exe 89 PID 2680 wrote to memory of 2936 2680 cmd.exe 89 PID 1116 wrote to memory of 1192 1116 svchost.exe 91 PID 1116 wrote to memory of 1192 1116 svchost.exe 91 PID 1192 wrote to memory of 3448 1192 cmd.exe 93 PID 1192 wrote to memory of 3448 1192 cmd.exe 93 PID 1192 wrote to memory of 4896 1192 cmd.exe 94 PID 1192 wrote to memory of 4896 1192 cmd.exe 94 PID 1116 wrote to memory of 2116 1116 svchost.exe 95 PID 1116 wrote to memory of 2116 1116 svchost.exe 95 PID 2116 wrote to memory of 3560 2116 cmd.exe 97 PID 2116 wrote to memory of 3560 2116 cmd.exe 97 PID 1116 wrote to memory of 2712 1116 svchost.exe 101 PID 1116 wrote to memory of 2712 1116 svchost.exe 101 -
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.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-03_e1be34b8216efb41ca73194d28956eeb_chaos_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752 -
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:1116 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4024
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2936
-
-
-
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:1192 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3448
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4896
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:3560
-
-
-
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:2712
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2180
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3788
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1460
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
23KB
MD5e1be34b8216efb41ca73194d28956eeb
SHA19136f76094b2a584389461540cd063425ab1becc
SHA256cc415435bfa94029b8a0686c12172491b4bbedbf38ad7f26b2c8ee32805ba950
SHA512400d99c5e758e7f45f22a702107074b2491607cc84d539b5fa1a9021588cdea3f099540d699dde436f682189324bc8b3651bfef3e6dbd16c82fab505f75feed1
-
Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740