Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2024 21:02
Behavioral task
behavioral1
Sample
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe
Resource
win7-20240903-en
windows7-x64
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
21 signatures
150 seconds
General
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Target
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe
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Size
21KB
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MD5
7f8f14557e21273304a2597621dd1fbc
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SHA1
858d52d1b0e3193cf9613f027e4b6a96074623c8
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SHA256
c4bc2a209dfaaa141cf05eb00674366249d33b61a23c06091a3647515f903791
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SHA512
0f9889e3116c1628cfff7799e7f74ad7b416d87f2e835e456ff88f1905159739062a19340d4d5b7b02dbae5de2f413e1de9ee5049366f4a5ab6b897c18141d12
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SSDEEP
384:q3MLWHn3kIkfdw6mpoXsQuvdtKXRUJxr91CzAE7eS:un3kIampoNyfKXR8xr9iZeS
Malware Config
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/2164-1-0x0000000000030000-0x000000000003C000-memory.dmp family_chaos behavioral2/files/0x0007000000022721-6.dat family_chaos -
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 3804 bcdedit.exe 452 bcdedit.exe -
pid Process 956 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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 2080 svchost.exe -
Reads user/profile data of web browsers 2 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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\OneDrive\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\Libraries\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\Documents\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\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\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1194130065-3471212556-1656947724-1000\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\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\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\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\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\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\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\Videos\desktop.ini 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 5108 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1424 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2080 svchost.exe -
Suspicious behavior: EnumeratesProcesses 53 IoCs
pid Process 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe Token: SeDebugPrivilege 2080 svchost.exe Token: SeBackupPrivilege 3896 vssvc.exe Token: SeRestorePrivilege 3896 vssvc.exe Token: SeAuditPrivilege 3896 vssvc.exe Token: SeIncreaseQuotaPrivilege 2928 WMIC.exe Token: SeSecurityPrivilege 2928 WMIC.exe Token: SeTakeOwnershipPrivilege 2928 WMIC.exe Token: SeLoadDriverPrivilege 2928 WMIC.exe Token: SeSystemProfilePrivilege 2928 WMIC.exe Token: SeSystemtimePrivilege 2928 WMIC.exe Token: SeProfSingleProcessPrivilege 2928 WMIC.exe Token: SeIncBasePriorityPrivilege 2928 WMIC.exe Token: SeCreatePagefilePrivilege 2928 WMIC.exe Token: SeBackupPrivilege 2928 WMIC.exe Token: SeRestorePrivilege 2928 WMIC.exe Token: SeShutdownPrivilege 2928 WMIC.exe Token: SeDebugPrivilege 2928 WMIC.exe Token: SeSystemEnvironmentPrivilege 2928 WMIC.exe Token: SeRemoteShutdownPrivilege 2928 WMIC.exe Token: SeUndockPrivilege 2928 WMIC.exe Token: SeManageVolumePrivilege 2928 WMIC.exe Token: 33 2928 WMIC.exe Token: 34 2928 WMIC.exe Token: 35 2928 WMIC.exe Token: 36 2928 WMIC.exe Token: SeIncreaseQuotaPrivilege 2928 WMIC.exe Token: SeSecurityPrivilege 2928 WMIC.exe Token: SeTakeOwnershipPrivilege 2928 WMIC.exe Token: SeLoadDriverPrivilege 2928 WMIC.exe Token: SeSystemProfilePrivilege 2928 WMIC.exe Token: SeSystemtimePrivilege 2928 WMIC.exe Token: SeProfSingleProcessPrivilege 2928 WMIC.exe Token: SeIncBasePriorityPrivilege 2928 WMIC.exe Token: SeCreatePagefilePrivilege 2928 WMIC.exe Token: SeBackupPrivilege 2928 WMIC.exe Token: SeRestorePrivilege 2928 WMIC.exe Token: SeShutdownPrivilege 2928 WMIC.exe Token: SeDebugPrivilege 2928 WMIC.exe Token: SeSystemEnvironmentPrivilege 2928 WMIC.exe Token: SeRemoteShutdownPrivilege 2928 WMIC.exe Token: SeUndockPrivilege 2928 WMIC.exe Token: SeManageVolumePrivilege 2928 WMIC.exe Token: 33 2928 WMIC.exe Token: 34 2928 WMIC.exe Token: 35 2928 WMIC.exe Token: 36 2928 WMIC.exe Token: SeBackupPrivilege 1316 wbengine.exe Token: SeRestorePrivilege 1316 wbengine.exe Token: SeSecurityPrivilege 1316 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2164 wrote to memory of 2080 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 86 PID 2164 wrote to memory of 2080 2164 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 86 PID 2080 wrote to memory of 636 2080 svchost.exe 91 PID 2080 wrote to memory of 636 2080 svchost.exe 91 PID 636 wrote to memory of 5108 636 cmd.exe 93 PID 636 wrote to memory of 5108 636 cmd.exe 93 PID 636 wrote to memory of 2928 636 cmd.exe 96 PID 636 wrote to memory of 2928 636 cmd.exe 96 PID 2080 wrote to memory of 2732 2080 svchost.exe 97 PID 2080 wrote to memory of 2732 2080 svchost.exe 97 PID 2732 wrote to memory of 3804 2732 cmd.exe 99 PID 2732 wrote to memory of 3804 2732 cmd.exe 99 PID 2732 wrote to memory of 452 2732 cmd.exe 100 PID 2732 wrote to memory of 452 2732 cmd.exe 100 PID 2080 wrote to memory of 4064 2080 svchost.exe 101 PID 2080 wrote to memory of 4064 2080 svchost.exe 101 PID 4064 wrote to memory of 956 4064 cmd.exe 103 PID 4064 wrote to memory of 956 4064 cmd.exe 103 PID 2080 wrote to memory of 1424 2080 svchost.exe 107 PID 2080 wrote to memory of 1424 2080 svchost.exe 107 -
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\202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe"C:\Users\Admin\AppData\Local\Temp\202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164 -
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:2080 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:5108
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2928
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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:2732 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3804
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:452
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:956
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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:1424
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3896
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1316
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1728
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3680
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD57f8f14557e21273304a2597621dd1fbc
SHA1858d52d1b0e3193cf9613f027e4b6a96074623c8
SHA256c4bc2a209dfaaa141cf05eb00674366249d33b61a23c06091a3647515f903791
SHA5120f9889e3116c1628cfff7799e7f74ad7b416d87f2e835e456ff88f1905159739062a19340d4d5b7b02dbae5de2f413e1de9ee5049366f4a5ab6b897c18141d12
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Filesize
8B
MD53b9cbc5c056777ac92d6a477c351270b
SHA15bea4efa5057d52a8444918f4d83df54ff07b9a6
SHA2567f003fb767f2dbd78ef37c0437d771631a7ebdb59ec230fd3040be007f22261e
SHA512ee640e148152441897b188657adc5e176042d4965e5fe9997d50c1ec83b80c0dd54e67f052973cbc4a4cc0e5cbe2a24ed38538f2c2f10f04a043f853cc12aecb