Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 20:25
Behavioral task
behavioral1
Sample
2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe
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Size
42KB
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MD5
9fd5152a920afc01a494f84d97af7b8c
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SHA1
058646770a0ca82417f240a068464e712c11a1b9
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SHA256
6f0f20da34396166df352bf301b3c59ef42b0bc67f52af3d541b0161c47ede05
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SHA512
3bc11f2d30877590f108866186a0dbc4d36a773b036382df7b5129637e81c70f18469526ef2129a02e36179075a58f93e7e0040fd35c8c0d88511b77998d53b6
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SSDEEP
768:+qo2mophzl2dr9HbxXTVeVDC1SRUSnSk5mzAz2URJNZovB9VqiE7bqec:9o2bl2dr9HbGVhtSLzk2UR+v7VuHc
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
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/4836-1-0x00000000003D0000-0x00000000003E0000-memory.dmp family_chaos behavioral2/files/0x000800000001db84-6.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 4980 bcdedit.exe 4836 bcdedit.exe -
pid Process 4604 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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 2076 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\Admin\Pictures\Saved Pictures\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\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Public\Pictures\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\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\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\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\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\Links\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\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\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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\Desktop\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-4089630652-1596403869-279772308-1000\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\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dfejx03sr.jpg" 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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1424 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2644 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2076 svchost.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe Token: SeDebugPrivilege 2076 svchost.exe Token: SeBackupPrivilege 728 vssvc.exe Token: SeRestorePrivilege 728 vssvc.exe Token: SeAuditPrivilege 728 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 4000 wbengine.exe Token: SeRestorePrivilege 4000 wbengine.exe Token: SeSecurityPrivilege 4000 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4836 wrote to memory of 2076 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 87 PID 4836 wrote to memory of 2076 4836 2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe 87 PID 2076 wrote to memory of 3836 2076 svchost.exe 93 PID 2076 wrote to memory of 3836 2076 svchost.exe 93 PID 3836 wrote to memory of 1424 3836 cmd.exe 95 PID 3836 wrote to memory of 1424 3836 cmd.exe 95 PID 3836 wrote to memory of 3432 3836 cmd.exe 99 PID 3836 wrote to memory of 3432 3836 cmd.exe 99 PID 2076 wrote to memory of 3088 2076 svchost.exe 100 PID 2076 wrote to memory of 3088 2076 svchost.exe 100 PID 3088 wrote to memory of 4980 3088 cmd.exe 102 PID 3088 wrote to memory of 4980 3088 cmd.exe 102 PID 3088 wrote to memory of 4836 3088 cmd.exe 103 PID 3088 wrote to memory of 4836 3088 cmd.exe 103 PID 2076 wrote to memory of 3116 2076 svchost.exe 104 PID 2076 wrote to memory of 3116 2076 svchost.exe 104 PID 3116 wrote to memory of 4604 3116 cmd.exe 106 PID 3116 wrote to memory of 4604 3116 cmd.exe 106 PID 2076 wrote to memory of 2644 2076 svchost.exe 110 PID 2076 wrote to memory of 2644 2076 svchost.exe 110 -
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\2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-27_9fd5152a920afc01a494f84d97af7b8c_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4836 -
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)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:1424
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
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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:3088 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4980
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4836
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4604
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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:2644
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:728
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4000
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3444
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2360
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
42KB
MD59fd5152a920afc01a494f84d97af7b8c
SHA1058646770a0ca82417f240a068464e712c11a1b9
SHA2566f0f20da34396166df352bf301b3c59ef42b0bc67f52af3d541b0161c47ede05
SHA5123bc11f2d30877590f108866186a0dbc4d36a773b036382df7b5129637e81c70f18469526ef2129a02e36179075a58f93e7e0040fd35c8c0d88511b77998d53b6
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Filesize
1KB
MD5764d90794eb3ba9cbd55ec64c3b3cafc
SHA18dd80a1d19452c3654cd69d4b70f13bcf44cdd26
SHA2560d3e33bd44d976926ec608ec78c03998750e91e8c6d8ea6f7192fd33221735dc
SHA512589ed190a76d2c5adaa1083b9cee77d913766d566d66fb08b8be0ab83e6a163beafa31139781c73c465d1f437b935b04d2172d0f053a0ef622fd34807e367e75