Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 23:25
Behavioral task
behavioral1
Sample
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe
-
Size
27KB
-
MD5
2a0487a33e6e0251342bb82a0048e0bc
-
SHA1
c82c1db3ec7557bf99fb3538b6d10f779fe13139
-
SHA256
af6750a2647ba7d580bc524577eff5fb462c030246368ed94e954f9fb133fef3
-
SHA512
31a096bf84a1217a30b75e72eed1d0f9cd4a8f3e0f240f8790419f3a7640cda414a608de2bae802c2d817734965fdd27d09a542c036eac187706fa0a73dd2d40
-
SSDEEP
384:MtWZPzzxAm1vgcbIEhvLKeOS2NiNWlwOy5o91F1x+82vq:x7zxAm9IYeeOSSiNho9JM82i
Malware Config
Extracted
C:\ProgramData\Adobe\Updater6\read_it.txt
Signatures
-
Chaos
Ransomware family first seen in June 2021.
-
Chaos Ransomware 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1460-0-0x00000000011E0000-0x00000000011EE000-memory.dmp family_chaos C:\Users\Admin\AppData\Roaming\svchost.exe family_chaos behavioral1/memory/2760-8-0x0000000001130000-0x000000000113E000-memory.dmp family_chaos -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Detects command variations typically used by ransomware 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1460-0-0x00000000011E0000-0x00000000011EE000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware C:\Users\Admin\AppData\Roaming\svchost.exe INDICATOR_SUSPICIOUS_GENRansomware behavioral1/memory/2760-8-0x0000000001130000-0x000000000113E000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1460-0-0x00000000011E0000-0x00000000011EE000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM C:\Users\Admin\AppData\Roaming\svchost.exe INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/memory/2760-8-0x0000000001130000-0x000000000113E000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
Processes:
bcdedit.exebcdedit.exepid process 2700 bcdedit.exe 2708 bcdedit.exe -
Processes:
wbadmin.exepid process 2828 wbadmin.exe -
Disables Task Manager via registry modification
-
Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process 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
Processes:
svchost.exepid process 2760 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\JWM3U1DD\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\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\EQ2PZD61\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\2RM92H5V\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6UZVS19T\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Local\Microsoft\Windows\History\History.IE5\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\A9XVYA91\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HUNEJ1HU\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\BB4W7M7Z\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\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 for United States\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\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\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MG62UP6H\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\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).
-
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 2580 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 2980 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exesvchost.exepid process 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe 2760 svchost.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exesvchost.exepid process 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe 2760 svchost.exe 2760 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exesvchost.exevssvc.exeWMIC.exewbengine.exedescription pid process Token: SeDebugPrivilege 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe Token: SeDebugPrivilege 2760 svchost.exe Token: SeBackupPrivilege 2972 vssvc.exe Token: SeRestorePrivilege 2972 vssvc.exe Token: SeAuditPrivilege 2972 vssvc.exe Token: SeIncreaseQuotaPrivilege 2952 WMIC.exe Token: SeSecurityPrivilege 2952 WMIC.exe Token: SeTakeOwnershipPrivilege 2952 WMIC.exe Token: SeLoadDriverPrivilege 2952 WMIC.exe Token: SeSystemProfilePrivilege 2952 WMIC.exe Token: SeSystemtimePrivilege 2952 WMIC.exe Token: SeProfSingleProcessPrivilege 2952 WMIC.exe Token: SeIncBasePriorityPrivilege 2952 WMIC.exe Token: SeCreatePagefilePrivilege 2952 WMIC.exe Token: SeBackupPrivilege 2952 WMIC.exe Token: SeRestorePrivilege 2952 WMIC.exe Token: SeShutdownPrivilege 2952 WMIC.exe Token: SeDebugPrivilege 2952 WMIC.exe Token: SeSystemEnvironmentPrivilege 2952 WMIC.exe Token: SeRemoteShutdownPrivilege 2952 WMIC.exe Token: SeUndockPrivilege 2952 WMIC.exe Token: SeManageVolumePrivilege 2952 WMIC.exe Token: 33 2952 WMIC.exe Token: 34 2952 WMIC.exe Token: 35 2952 WMIC.exe Token: SeIncreaseQuotaPrivilege 2952 WMIC.exe Token: SeSecurityPrivilege 2952 WMIC.exe Token: SeTakeOwnershipPrivilege 2952 WMIC.exe Token: SeLoadDriverPrivilege 2952 WMIC.exe Token: SeSystemProfilePrivilege 2952 WMIC.exe Token: SeSystemtimePrivilege 2952 WMIC.exe Token: SeProfSingleProcessPrivilege 2952 WMIC.exe Token: SeIncBasePriorityPrivilege 2952 WMIC.exe Token: SeCreatePagefilePrivilege 2952 WMIC.exe Token: SeBackupPrivilege 2952 WMIC.exe Token: SeRestorePrivilege 2952 WMIC.exe Token: SeShutdownPrivilege 2952 WMIC.exe Token: SeDebugPrivilege 2952 WMIC.exe Token: SeSystemEnvironmentPrivilege 2952 WMIC.exe Token: SeRemoteShutdownPrivilege 2952 WMIC.exe Token: SeUndockPrivilege 2952 WMIC.exe Token: SeManageVolumePrivilege 2952 WMIC.exe Token: 33 2952 WMIC.exe Token: 34 2952 WMIC.exe Token: 35 2952 WMIC.exe Token: SeBackupPrivilege 2904 wbengine.exe Token: SeRestorePrivilege 2904 wbengine.exe Token: SeSecurityPrivilege 2904 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exesvchost.execmd.execmd.execmd.exedescription pid process target process PID 1460 wrote to memory of 2760 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe svchost.exe PID 1460 wrote to memory of 2760 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe svchost.exe PID 1460 wrote to memory of 2760 1460 2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe svchost.exe PID 2760 wrote to memory of 2640 2760 svchost.exe cmd.exe PID 2760 wrote to memory of 2640 2760 svchost.exe cmd.exe PID 2760 wrote to memory of 2640 2760 svchost.exe cmd.exe PID 2640 wrote to memory of 2580 2640 cmd.exe vssadmin.exe PID 2640 wrote to memory of 2580 2640 cmd.exe vssadmin.exe PID 2640 wrote to memory of 2580 2640 cmd.exe vssadmin.exe PID 2640 wrote to memory of 2952 2640 cmd.exe WMIC.exe PID 2640 wrote to memory of 2952 2640 cmd.exe WMIC.exe PID 2640 wrote to memory of 2952 2640 cmd.exe WMIC.exe PID 2760 wrote to memory of 1996 2760 svchost.exe cmd.exe PID 2760 wrote to memory of 1996 2760 svchost.exe cmd.exe PID 2760 wrote to memory of 1996 2760 svchost.exe cmd.exe PID 1996 wrote to memory of 2700 1996 cmd.exe bcdedit.exe PID 1996 wrote to memory of 2700 1996 cmd.exe bcdedit.exe PID 1996 wrote to memory of 2700 1996 cmd.exe bcdedit.exe PID 1996 wrote to memory of 2708 1996 cmd.exe bcdedit.exe PID 1996 wrote to memory of 2708 1996 cmd.exe bcdedit.exe PID 1996 wrote to memory of 2708 1996 cmd.exe bcdedit.exe PID 2760 wrote to memory of 2732 2760 svchost.exe cmd.exe PID 2760 wrote to memory of 2732 2760 svchost.exe cmd.exe PID 2760 wrote to memory of 2732 2760 svchost.exe cmd.exe PID 2732 wrote to memory of 2828 2732 cmd.exe wbadmin.exe PID 2732 wrote to memory of 2828 2732 cmd.exe wbadmin.exe PID 2732 wrote to memory of 2828 2732 cmd.exe wbadmin.exe PID 2760 wrote to memory of 2980 2760 svchost.exe NOTEPAD.EXE PID 2760 wrote to memory of 2980 2760 svchost.exe NOTEPAD.EXE PID 2760 wrote to memory of 2980 2760 svchost.exe NOTEPAD.EXE -
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\2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-04_2a0487a33e6e0251342bb82a0048e0bc_destroyer_wannacry.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1460 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2580 -
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2952 -
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:1996 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2700 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2708 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2828 -
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:2980
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2972
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2904
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:816
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1752
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
583B
MD588138adeae8e2b26f634a06d2a401b10
SHA18c16e41380d621576e80ea9fab02a26d73ee887c
SHA256edd3ea5303891b580feb889eb5a0b09e6f2f6a61628bfc39c2d8e48b9f223bd5
SHA512db755e8ff845917391718736f3cedc2c09d48113d3418a17dc8861e955a7889c701da2c04ca518e873cd09f260a05fcf6366f8580d67276a55a58811ad8d1834
-
Filesize
27KB
MD52a0487a33e6e0251342bb82a0048e0bc
SHA1c82c1db3ec7557bf99fb3538b6d10f779fe13139
SHA256af6750a2647ba7d580bc524577eff5fb462c030246368ed94e954f9fb133fef3
SHA51231a096bf84a1217a30b75e72eed1d0f9cd4a8f3e0f240f8790419f3a7640cda414a608de2bae802c2d817734965fdd27d09a542c036eac187706fa0a73dd2d40
-
Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0