Analysis
-
max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 11:21
Behavioral task
behavioral1
Sample
2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe
-
Size
24KB
-
MD5
f7171e2e587d97fc079d0afb7ec73634
-
SHA1
54fe4810af4babdec3efc2fa7ae3f9c7117be435
-
SHA256
bfe508310190495d66f666bc9c65ac4d344a83fa8bb9291563090614aa22a7e5
-
SHA512
596c553dd2cab33443ba6ab90004e2593cd10c04f3548af6c99297947114a4312858f67ce3aef5474de0f01b08df9745893b4d7480308f148a397a50047efcaf
-
SSDEEP
384:C3Mg/bqo27bU2NMppqjuwzUvJ5r91CzoGi9ei:4qo2MQMpwjKB5r9MoDei
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
https://tox.chat/download.html
Signatures
-
Chaos
Ransomware family first seen in June 2021.
-
Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/2332-1-0x0000000000280000-0x000000000028C000-memory.dmp family_chaos behavioral2/files/0x000500000000aefb-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 4496 bcdedit.exe 2876 bcdedit.exe -
pid Process 4120 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\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 1488 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\Links\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\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\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\AppData\Roaming\Microsoft\Windows\Libraries\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\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\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\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\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\Windows\AccountPictures\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\Accessories\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\Internet Explorer\Quick Launch\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\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\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 2832 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1956 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1488 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe 1488 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe Token: SeDebugPrivilege 1488 svchost.exe Token: SeBackupPrivilege 1296 vssvc.exe Token: SeRestorePrivilege 1296 vssvc.exe Token: SeAuditPrivilege 1296 vssvc.exe Token: SeIncreaseQuotaPrivilege 3432 WMIC.exe Token: SeSecurityPrivilege 3432 WMIC.exe Token: SeTakeOwnershipPrivilege 3432 WMIC.exe Token: SeLoadDriverPrivilege 3432 WMIC.exe Token: SeSystemProfilePrivilege 3432 WMIC.exe Token: SeSystemtimePrivilege 3432 WMIC.exe Token: SeProfSingleProcessPrivilege 3432 WMIC.exe Token: SeIncBasePriorityPrivilege 3432 WMIC.exe Token: SeCreatePagefilePrivilege 3432 WMIC.exe Token: SeBackupPrivilege 3432 WMIC.exe Token: SeRestorePrivilege 3432 WMIC.exe Token: SeShutdownPrivilege 3432 WMIC.exe Token: SeDebugPrivilege 3432 WMIC.exe Token: SeSystemEnvironmentPrivilege 3432 WMIC.exe Token: SeRemoteShutdownPrivilege 3432 WMIC.exe Token: SeUndockPrivilege 3432 WMIC.exe Token: SeManageVolumePrivilege 3432 WMIC.exe Token: 33 3432 WMIC.exe Token: 34 3432 WMIC.exe Token: 35 3432 WMIC.exe Token: 36 3432 WMIC.exe Token: SeIncreaseQuotaPrivilege 3432 WMIC.exe Token: SeSecurityPrivilege 3432 WMIC.exe Token: SeTakeOwnershipPrivilege 3432 WMIC.exe Token: SeLoadDriverPrivilege 3432 WMIC.exe Token: SeSystemProfilePrivilege 3432 WMIC.exe Token: SeSystemtimePrivilege 3432 WMIC.exe Token: SeProfSingleProcessPrivilege 3432 WMIC.exe Token: SeIncBasePriorityPrivilege 3432 WMIC.exe Token: SeCreatePagefilePrivilege 3432 WMIC.exe Token: SeBackupPrivilege 3432 WMIC.exe Token: SeRestorePrivilege 3432 WMIC.exe Token: SeShutdownPrivilege 3432 WMIC.exe Token: SeDebugPrivilege 3432 WMIC.exe Token: SeSystemEnvironmentPrivilege 3432 WMIC.exe Token: SeRemoteShutdownPrivilege 3432 WMIC.exe Token: SeUndockPrivilege 3432 WMIC.exe Token: SeManageVolumePrivilege 3432 WMIC.exe Token: 33 3432 WMIC.exe Token: 34 3432 WMIC.exe Token: 35 3432 WMIC.exe Token: 36 3432 WMIC.exe Token: SeBackupPrivilege 2744 wbengine.exe Token: SeRestorePrivilege 2744 wbengine.exe Token: SeSecurityPrivilege 2744 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2332 wrote to memory of 1488 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 86 PID 2332 wrote to memory of 1488 2332 2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe 86 PID 1488 wrote to memory of 3252 1488 svchost.exe 93 PID 1488 wrote to memory of 3252 1488 svchost.exe 93 PID 3252 wrote to memory of 2832 3252 cmd.exe 95 PID 3252 wrote to memory of 2832 3252 cmd.exe 95 PID 3252 wrote to memory of 3432 3252 cmd.exe 98 PID 3252 wrote to memory of 3432 3252 cmd.exe 98 PID 1488 wrote to memory of 3428 1488 svchost.exe 99 PID 1488 wrote to memory of 3428 1488 svchost.exe 99 PID 3428 wrote to memory of 4496 3428 cmd.exe 101 PID 3428 wrote to memory of 4496 3428 cmd.exe 101 PID 3428 wrote to memory of 2876 3428 cmd.exe 102 PID 3428 wrote to memory of 2876 3428 cmd.exe 102 PID 1488 wrote to memory of 1736 1488 svchost.exe 103 PID 1488 wrote to memory of 1736 1488 svchost.exe 103 PID 1736 wrote to memory of 4120 1736 cmd.exe 105 PID 1736 wrote to memory of 4120 1736 cmd.exe 105 PID 1488 wrote to memory of 1956 1488 svchost.exe 109 PID 1488 wrote to memory of 1956 1488 svchost.exe 109 -
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\2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-09_f7171e2e587d97fc079d0afb7ec73634_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332 -
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:1488 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2832
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
-
-
-
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:3428 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4496
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2876
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4120
-
-
-
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:1956
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1296
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2744
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1268
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
24KB
MD5f7171e2e587d97fc079d0afb7ec73634
SHA154fe4810af4babdec3efc2fa7ae3f9c7117be435
SHA256bfe508310190495d66f666bc9c65ac4d344a83fa8bb9291563090614aa22a7e5
SHA512596c553dd2cab33443ba6ab90004e2593cd10c04f3548af6c99297947114a4312858f67ce3aef5474de0f01b08df9745893b4d7480308f148a397a50047efcaf
-
Filesize
1KB
MD5d539a8ea3a668e5df4947000e478d179
SHA1642d09ae858cedaa9beea0796cc31c0f52486762
SHA2567ab3d009d5c7088d5c25fa3e4cb6e03acb79b76f76fc1e508ddff2d019300777
SHA5121d2b3c5a148dc39adb295ff7bd5f431e49e409ba1c1cf56b23ad3afdda920950d7f9847d594dd866afa4fae6451f61f09b0a87ddbaa345976915dae024ee4070