Analysis
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max time kernel
93s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 03:37
Behavioral task
behavioral1
Sample
2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe
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Size
43KB
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MD5
aaea4f5c500eefc364887278b249f2c3
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SHA1
4b0561d911c0b6ebd656af498d9c1a57fe6f6347
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SHA256
24833a516b737c23c95033544877605e95b518e601290e3fd76609819d3c6c6e
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SHA512
2dafd50f3787886d6a4f444924c7d2228171cd0226d1d244f96887db6c74c84f25ce1ab39781fa28eb93d255838c37f63d00c2052157f28c76ce9ab334b76e43
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SSDEEP
768:Vn3kI1tGdpnN2fKXRATr9iS0vMzCPBM6QawagVj7j3XlzqWUBb3Jee:F3kI1tEwImTr9iS0vxJM6u7j3Jq55oe
Malware Config
Extracted
C:\Users\Admin\Desktop\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/3272-1-0x0000000000630000-0x0000000000642000-memory.dmp family_chaos behavioral2/files/0x000a000000023b3a-7.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 3608 bcdedit.exe 1620 bcdedit.exe -
pid Process 2068 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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 628 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\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3350944739-639801879-157714471-1000\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\Start Menu\Programs\Administrative Tools\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\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\Libraries\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\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe 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\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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\Start Menu\Programs\System Tools\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\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cnuc1kqqt.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 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 4164 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4156 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 628 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe 628 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe Token: SeDebugPrivilege 628 svchost.exe Token: SeBackupPrivilege 2188 vssvc.exe Token: SeRestorePrivilege 2188 vssvc.exe Token: SeAuditPrivilege 2188 vssvc.exe Token: SeIncreaseQuotaPrivilege 3276 WMIC.exe Token: SeSecurityPrivilege 3276 WMIC.exe Token: SeTakeOwnershipPrivilege 3276 WMIC.exe Token: SeLoadDriverPrivilege 3276 WMIC.exe Token: SeSystemProfilePrivilege 3276 WMIC.exe Token: SeSystemtimePrivilege 3276 WMIC.exe Token: SeProfSingleProcessPrivilege 3276 WMIC.exe Token: SeIncBasePriorityPrivilege 3276 WMIC.exe Token: SeCreatePagefilePrivilege 3276 WMIC.exe Token: SeBackupPrivilege 3276 WMIC.exe Token: SeRestorePrivilege 3276 WMIC.exe Token: SeShutdownPrivilege 3276 WMIC.exe Token: SeDebugPrivilege 3276 WMIC.exe Token: SeSystemEnvironmentPrivilege 3276 WMIC.exe Token: SeRemoteShutdownPrivilege 3276 WMIC.exe Token: SeUndockPrivilege 3276 WMIC.exe Token: SeManageVolumePrivilege 3276 WMIC.exe Token: 33 3276 WMIC.exe Token: 34 3276 WMIC.exe Token: 35 3276 WMIC.exe Token: 36 3276 WMIC.exe Token: SeIncreaseQuotaPrivilege 3276 WMIC.exe Token: SeSecurityPrivilege 3276 WMIC.exe Token: SeTakeOwnershipPrivilege 3276 WMIC.exe Token: SeLoadDriverPrivilege 3276 WMIC.exe Token: SeSystemProfilePrivilege 3276 WMIC.exe Token: SeSystemtimePrivilege 3276 WMIC.exe Token: SeProfSingleProcessPrivilege 3276 WMIC.exe Token: SeIncBasePriorityPrivilege 3276 WMIC.exe Token: SeCreatePagefilePrivilege 3276 WMIC.exe Token: SeBackupPrivilege 3276 WMIC.exe Token: SeRestorePrivilege 3276 WMIC.exe Token: SeShutdownPrivilege 3276 WMIC.exe Token: SeDebugPrivilege 3276 WMIC.exe Token: SeSystemEnvironmentPrivilege 3276 WMIC.exe Token: SeRemoteShutdownPrivilege 3276 WMIC.exe Token: SeUndockPrivilege 3276 WMIC.exe Token: SeManageVolumePrivilege 3276 WMIC.exe Token: 33 3276 WMIC.exe Token: 34 3276 WMIC.exe Token: 35 3276 WMIC.exe Token: 36 3276 WMIC.exe Token: SeBackupPrivilege 2660 wbengine.exe Token: SeRestorePrivilege 2660 wbengine.exe Token: SeSecurityPrivilege 2660 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3272 wrote to memory of 628 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 99 PID 3272 wrote to memory of 628 3272 2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe 99 PID 628 wrote to memory of 4988 628 svchost.exe 100 PID 628 wrote to memory of 4988 628 svchost.exe 100 PID 4988 wrote to memory of 4164 4988 cmd.exe 102 PID 4988 wrote to memory of 4164 4988 cmd.exe 102 PID 4988 wrote to memory of 3276 4988 cmd.exe 106 PID 4988 wrote to memory of 3276 4988 cmd.exe 106 PID 628 wrote to memory of 1564 628 svchost.exe 108 PID 628 wrote to memory of 1564 628 svchost.exe 108 PID 1564 wrote to memory of 3608 1564 cmd.exe 110 PID 1564 wrote to memory of 3608 1564 cmd.exe 110 PID 1564 wrote to memory of 1620 1564 cmd.exe 111 PID 1564 wrote to memory of 1620 1564 cmd.exe 111 PID 628 wrote to memory of 1580 628 svchost.exe 112 PID 628 wrote to memory of 1580 628 svchost.exe 112 PID 1580 wrote to memory of 2068 1580 cmd.exe 114 PID 1580 wrote to memory of 2068 1580 cmd.exe 114 PID 628 wrote to memory of 4156 628 svchost.exe 120 PID 628 wrote to memory of 4156 628 svchost.exe 120 -
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\2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-11_aaea4f5c500eefc364887278b249f2c3_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
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:628 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4164
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3276
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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:1564 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3608
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1620
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2068
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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:4156
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2188
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2660
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2100
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3628
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
43KB
MD5aaea4f5c500eefc364887278b249f2c3
SHA14b0561d911c0b6ebd656af498d9c1a57fe6f6347
SHA25624833a516b737c23c95033544877605e95b518e601290e3fd76609819d3c6c6e
SHA5122dafd50f3787886d6a4f444924c7d2228171cd0226d1d244f96887db6c74c84f25ce1ab39781fa28eb93d255838c37f63d00c2052157f28c76ce9ab334b76e43
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740