Analysis
-
max time kernel
90s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-08-2024 11:46
Behavioral task
behavioral1
Sample
2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe
-
Size
28KB
-
MD5
ce36be6d9cd1b18b8a24339757fc0716
-
SHA1
3050e002b61776c3c5f2c98140d3a69a60e89ad8
-
SHA256
cb2aba9f6c524e940d8f8c71940e6b6aaf6bb724eb39d811c9b8b5de1e12adca
-
SHA512
11e339c4fec68d217eff9ccb3b29bba11eaa208284e882aa052ecbba83f9b02d5950d2c9074a3ca06e100a448c651e80a2968894f9d1dd39c70cd6af8c17bb65
-
SSDEEP
384:6QMg/bqoymcxtilaaQnQ5HE4+X0ZLoJFr91CAmIxb50Yes:fqoypt4aaQgk4+kVgFr9OIxbKYes
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/3640-1-0x0000000000AC0000-0x0000000000AD0000-memory.dmp family_chaos behavioral2/files/0x00090000000233bc-7.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 2564 bcdedit.exe 1800 bcdedit.exe -
pid Process 4848 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\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 5036 svchost.exe -
Reads user/profile data of web browsers 2 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\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\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\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\Music\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\Desktop\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\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\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\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\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\Internet Explorer\Quick Launch\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\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2718105630-359604950-2820636825-1000\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\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_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 -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2152 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4176 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5036 svchost.exe -
Suspicious behavior: EnumeratesProcesses 47 IoCs
pid Process 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe 5036 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe Token: SeDebugPrivilege 5036 svchost.exe Token: SeBackupPrivilege 3672 vssvc.exe Token: SeRestorePrivilege 3672 vssvc.exe Token: SeAuditPrivilege 3672 vssvc.exe Token: SeIncreaseQuotaPrivilege 3824 WMIC.exe Token: SeSecurityPrivilege 3824 WMIC.exe Token: SeTakeOwnershipPrivilege 3824 WMIC.exe Token: SeLoadDriverPrivilege 3824 WMIC.exe Token: SeSystemProfilePrivilege 3824 WMIC.exe Token: SeSystemtimePrivilege 3824 WMIC.exe Token: SeProfSingleProcessPrivilege 3824 WMIC.exe Token: SeIncBasePriorityPrivilege 3824 WMIC.exe Token: SeCreatePagefilePrivilege 3824 WMIC.exe Token: SeBackupPrivilege 3824 WMIC.exe Token: SeRestorePrivilege 3824 WMIC.exe Token: SeShutdownPrivilege 3824 WMIC.exe Token: SeDebugPrivilege 3824 WMIC.exe Token: SeSystemEnvironmentPrivilege 3824 WMIC.exe Token: SeRemoteShutdownPrivilege 3824 WMIC.exe Token: SeUndockPrivilege 3824 WMIC.exe Token: SeManageVolumePrivilege 3824 WMIC.exe Token: 33 3824 WMIC.exe Token: 34 3824 WMIC.exe Token: 35 3824 WMIC.exe Token: 36 3824 WMIC.exe Token: SeIncreaseQuotaPrivilege 3824 WMIC.exe Token: SeSecurityPrivilege 3824 WMIC.exe Token: SeTakeOwnershipPrivilege 3824 WMIC.exe Token: SeLoadDriverPrivilege 3824 WMIC.exe Token: SeSystemProfilePrivilege 3824 WMIC.exe Token: SeSystemtimePrivilege 3824 WMIC.exe Token: SeProfSingleProcessPrivilege 3824 WMIC.exe Token: SeIncBasePriorityPrivilege 3824 WMIC.exe Token: SeCreatePagefilePrivilege 3824 WMIC.exe Token: SeBackupPrivilege 3824 WMIC.exe Token: SeRestorePrivilege 3824 WMIC.exe Token: SeShutdownPrivilege 3824 WMIC.exe Token: SeDebugPrivilege 3824 WMIC.exe Token: SeSystemEnvironmentPrivilege 3824 WMIC.exe Token: SeRemoteShutdownPrivilege 3824 WMIC.exe Token: SeUndockPrivilege 3824 WMIC.exe Token: SeManageVolumePrivilege 3824 WMIC.exe Token: 33 3824 WMIC.exe Token: 34 3824 WMIC.exe Token: 35 3824 WMIC.exe Token: 36 3824 WMIC.exe Token: SeBackupPrivilege 680 wbengine.exe Token: SeRestorePrivilege 680 wbengine.exe Token: SeSecurityPrivilege 680 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3640 wrote to memory of 5036 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 88 PID 3640 wrote to memory of 5036 3640 2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe 88 PID 5036 wrote to memory of 2148 5036 svchost.exe 96 PID 5036 wrote to memory of 2148 5036 svchost.exe 96 PID 2148 wrote to memory of 2152 2148 cmd.exe 98 PID 2148 wrote to memory of 2152 2148 cmd.exe 98 PID 2148 wrote to memory of 3824 2148 cmd.exe 101 PID 2148 wrote to memory of 3824 2148 cmd.exe 101 PID 5036 wrote to memory of 2168 5036 svchost.exe 104 PID 5036 wrote to memory of 2168 5036 svchost.exe 104 PID 2168 wrote to memory of 2564 2168 cmd.exe 106 PID 2168 wrote to memory of 2564 2168 cmd.exe 106 PID 2168 wrote to memory of 1800 2168 cmd.exe 107 PID 2168 wrote to memory of 1800 2168 cmd.exe 107 PID 5036 wrote to memory of 3584 5036 svchost.exe 108 PID 5036 wrote to memory of 3584 5036 svchost.exe 108 PID 3584 wrote to memory of 4848 3584 cmd.exe 110 PID 3584 wrote to memory of 4848 3584 cmd.exe 110 PID 5036 wrote to memory of 4176 5036 svchost.exe 114 PID 5036 wrote to memory of 4176 5036 svchost.exe 114 -
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\2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-23_ce36be6d9cd1b18b8a24339757fc0716_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640 -
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:5036 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2152
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3824
-
-
-
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:2168 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2564
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1800
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4848
-
-
-
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:4176
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3672
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:680
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2700
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
28KB
MD5ce36be6d9cd1b18b8a24339757fc0716
SHA13050e002b61776c3c5f2c98140d3a69a60e89ad8
SHA256cb2aba9f6c524e940d8f8c71940e6b6aaf6bb724eb39d811c9b8b5de1e12adca
SHA51211e339c4fec68d217eff9ccb3b29bba11eaa208284e882aa052ecbba83f9b02d5950d2c9074a3ca06e100a448c651e80a2968894f9d1dd39c70cd6af8c17bb65
-
Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740