Analysis
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max time kernel
140s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:40
Behavioral task
behavioral1
Sample
2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe
Resource
win7-20240221-en
windows7-x64
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
22 signatures
150 seconds
General
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Target
2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe
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Size
21KB
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MD5
c0a852ef9b726d21bd41ccb2062896cb
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SHA1
1bb8de6a0cf14c8a81647975f71cb3825cb18e42
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SHA256
3fafb23499cd2f44180d9b244d68494249ac892362b0bf4f2469d32081a411e0
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SHA512
c76ebdce894281d5e2c6bff455747a24b63068e4563be47755c2cfaccab92610bb209ed781b8209c40927a02b199d0890d268b1a4606cf0eaf4556470d03b92d
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SSDEEP
384:m3MLWHn3kIceY1remPbArdip3NVcjuZJmr91CrQIek:Kn3kI+6mPbArMp9CjKmr9STek
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/4520-0-0x00000000003E0000-0x00000000003EC000-memory.dmp family_chaos behavioral2/files/0x0005000000022ac3-6.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 2 IoCs
resource yara_rule behavioral2/memory/4520-0-0x00000000003E0000-0x00000000003EC000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x0005000000022ac3-6.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4056 bcdedit.exe 4360 bcdedit.exe -
pid Process 760 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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._bitch.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2468 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\Pictures\Saved Pictures\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\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\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\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\Contacts\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 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\Libraries\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 F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\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 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4968 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2552 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2468 svchost.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe Token: SeDebugPrivilege 2468 svchost.exe Token: SeBackupPrivilege 976 vssvc.exe Token: SeRestorePrivilege 976 vssvc.exe Token: SeAuditPrivilege 976 vssvc.exe Token: SeIncreaseQuotaPrivilege 4620 WMIC.exe Token: SeSecurityPrivilege 4620 WMIC.exe Token: SeTakeOwnershipPrivilege 4620 WMIC.exe Token: SeLoadDriverPrivilege 4620 WMIC.exe Token: SeSystemProfilePrivilege 4620 WMIC.exe Token: SeSystemtimePrivilege 4620 WMIC.exe Token: SeProfSingleProcessPrivilege 4620 WMIC.exe Token: SeIncBasePriorityPrivilege 4620 WMIC.exe Token: SeCreatePagefilePrivilege 4620 WMIC.exe Token: SeBackupPrivilege 4620 WMIC.exe Token: SeRestorePrivilege 4620 WMIC.exe Token: SeShutdownPrivilege 4620 WMIC.exe Token: SeDebugPrivilege 4620 WMIC.exe Token: SeSystemEnvironmentPrivilege 4620 WMIC.exe Token: SeRemoteShutdownPrivilege 4620 WMIC.exe Token: SeUndockPrivilege 4620 WMIC.exe Token: SeManageVolumePrivilege 4620 WMIC.exe Token: 33 4620 WMIC.exe Token: 34 4620 WMIC.exe Token: 35 4620 WMIC.exe Token: 36 4620 WMIC.exe Token: SeIncreaseQuotaPrivilege 4620 WMIC.exe Token: SeSecurityPrivilege 4620 WMIC.exe Token: SeTakeOwnershipPrivilege 4620 WMIC.exe Token: SeLoadDriverPrivilege 4620 WMIC.exe Token: SeSystemProfilePrivilege 4620 WMIC.exe Token: SeSystemtimePrivilege 4620 WMIC.exe Token: SeProfSingleProcessPrivilege 4620 WMIC.exe Token: SeIncBasePriorityPrivilege 4620 WMIC.exe Token: SeCreatePagefilePrivilege 4620 WMIC.exe Token: SeBackupPrivilege 4620 WMIC.exe Token: SeRestorePrivilege 4620 WMIC.exe Token: SeShutdownPrivilege 4620 WMIC.exe Token: SeDebugPrivilege 4620 WMIC.exe Token: SeSystemEnvironmentPrivilege 4620 WMIC.exe Token: SeRemoteShutdownPrivilege 4620 WMIC.exe Token: SeUndockPrivilege 4620 WMIC.exe Token: SeManageVolumePrivilege 4620 WMIC.exe Token: 33 4620 WMIC.exe Token: 34 4620 WMIC.exe Token: 35 4620 WMIC.exe Token: 36 4620 WMIC.exe Token: SeBackupPrivilege 1864 wbengine.exe Token: SeRestorePrivilege 1864 wbengine.exe Token: SeSecurityPrivilege 1864 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4520 wrote to memory of 2468 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 88 PID 4520 wrote to memory of 2468 4520 2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe 88 PID 2468 wrote to memory of 1956 2468 svchost.exe 89 PID 2468 wrote to memory of 1956 2468 svchost.exe 89 PID 1956 wrote to memory of 4968 1956 cmd.exe 91 PID 1956 wrote to memory of 4968 1956 cmd.exe 91 PID 1956 wrote to memory of 4620 1956 cmd.exe 94 PID 1956 wrote to memory of 4620 1956 cmd.exe 94 PID 2468 wrote to memory of 4556 2468 svchost.exe 96 PID 2468 wrote to memory of 4556 2468 svchost.exe 96 PID 4556 wrote to memory of 4056 4556 cmd.exe 98 PID 4556 wrote to memory of 4056 4556 cmd.exe 98 PID 4556 wrote to memory of 4360 4556 cmd.exe 99 PID 4556 wrote to memory of 4360 4556 cmd.exe 99 PID 2468 wrote to memory of 4896 2468 svchost.exe 100 PID 2468 wrote to memory of 4896 2468 svchost.exe 100 PID 4896 wrote to memory of 760 4896 cmd.exe 102 PID 4896 wrote to memory of 760 4896 cmd.exe 102 PID 2468 wrote to memory of 2552 2468 svchost.exe 107 PID 2468 wrote to memory of 2552 2468 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\2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520 -
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:2468 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4968
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4620
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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:4556 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4056
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4360
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:760
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it._bitch.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2552
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:976
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1864
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4472
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3448
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD5c0a852ef9b726d21bd41ccb2062896cb
SHA11bb8de6a0cf14c8a81647975f71cb3825cb18e42
SHA2563fafb23499cd2f44180d9b244d68494249ac892362b0bf4f2469d32081a411e0
SHA512c76ebdce894281d5e2c6bff455747a24b63068e4563be47755c2cfaccab92610bb209ed781b8209c40927a02b199d0890d268b1a4606cf0eaf4556470d03b92d
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Filesize
35B
MD5ee974bc4e3986ed8ff25153fcf1bdaf3
SHA1c155a9a3ddb7730af9226256656519fe92be212c
SHA256839263b5ee1a5f9b65fa221f294a60f414a3cf1f58204c9d7b51d1ddcbc74268
SHA512cae5708511422415d6c3968895f9e559b6a2f317f75e7d7cae61cf32f565a7dd16516a92601064fb82f6bccd5153f03a7ad1f2c1396a8c3456547409340b4e9c