Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 04:06
Behavioral task
behavioral1
Sample
2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe
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Size
301KB
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MD5
d8c4b902a949a1f83d1f83d351a54dab
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SHA1
87194675e37df056847ca708fd273366c33b0763
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SHA256
b522599154e233cec2ae4299d46cd0f2f59133d3ef79d6a630511bf5dd7360a6
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SHA512
825197109538f4a746f2b5d8289d2dba68631c0b112840eaa003116bdb3c3c14e404c1b75e225023a80643e88dfaac2b88694a8a3cc3db049f904eb3fd011f7d
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SSDEEP
3072:v3kCIQUr9irIKH11poMiMiHuZDL0SYR7c2ytBcL5BdkwvTkmEd:XInr9irIavaPdWwvqd
Malware Config
Extracted
C:\Users\Admin\Desktop\Hacked by Team TIB
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/1812-0-0x00000000004C0000-0x0000000000512000-memory.dmp family_chaos behavioral2/files/0x00080000000233ec-6.dat family_chaos -
Deletes shadow copies 2 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/1812-0-0x00000000004C0000-0x0000000000512000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x00080000000233ec-6.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 3048 bcdedit.exe 2644 bcdedit.exe -
pid Process 2776 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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation C11Setup.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C11Setup.url C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini C11Setup.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Hacked by Team TIB C11Setup.exe -
Executes dropped EXE 1 IoCs
pid Process 536 C11Setup.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\Desktop\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Links\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini C11Setup.exe File opened for modification C:\Users\Public\Pictures\desktop.ini C11Setup.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2288054676-1871194608-3559553667-1000\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Documents\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini C11Setup.exe File opened for modification C:\Users\Public\Music\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Music\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini C11Setup.exe File opened for modification C:\Users\Public\Documents\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Searches\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Videos\desktop.ini C11Setup.exe File opened for modification C:\Users\Public\Videos\desktop.ini C11Setup.exe File opened for modification C:\Users\Public\Desktop\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini C11Setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini C11Setup.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vholku2yx.jpg" C11Setup.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\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe 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 -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 5044 vssadmin.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000_Classes\Local Settings C11Setup.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 536 C11Setup.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe 536 C11Setup.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe Token: SeDebugPrivilege 536 C11Setup.exe Token: SeBackupPrivilege 4296 vssvc.exe Token: SeRestorePrivilege 4296 vssvc.exe Token: SeAuditPrivilege 4296 vssvc.exe Token: SeIncreaseQuotaPrivilege 4916 WMIC.exe Token: SeSecurityPrivilege 4916 WMIC.exe Token: SeTakeOwnershipPrivilege 4916 WMIC.exe Token: SeLoadDriverPrivilege 4916 WMIC.exe Token: SeSystemProfilePrivilege 4916 WMIC.exe Token: SeSystemtimePrivilege 4916 WMIC.exe Token: SeProfSingleProcessPrivilege 4916 WMIC.exe Token: SeIncBasePriorityPrivilege 4916 WMIC.exe Token: SeCreatePagefilePrivilege 4916 WMIC.exe Token: SeBackupPrivilege 4916 WMIC.exe Token: SeRestorePrivilege 4916 WMIC.exe Token: SeShutdownPrivilege 4916 WMIC.exe Token: SeDebugPrivilege 4916 WMIC.exe Token: SeSystemEnvironmentPrivilege 4916 WMIC.exe Token: SeRemoteShutdownPrivilege 4916 WMIC.exe Token: SeUndockPrivilege 4916 WMIC.exe Token: SeManageVolumePrivilege 4916 WMIC.exe Token: 33 4916 WMIC.exe Token: 34 4916 WMIC.exe Token: 35 4916 WMIC.exe Token: 36 4916 WMIC.exe Token: SeIncreaseQuotaPrivilege 4916 WMIC.exe Token: SeSecurityPrivilege 4916 WMIC.exe Token: SeTakeOwnershipPrivilege 4916 WMIC.exe Token: SeLoadDriverPrivilege 4916 WMIC.exe Token: SeSystemProfilePrivilege 4916 WMIC.exe Token: SeSystemtimePrivilege 4916 WMIC.exe Token: SeProfSingleProcessPrivilege 4916 WMIC.exe Token: SeIncBasePriorityPrivilege 4916 WMIC.exe Token: SeCreatePagefilePrivilege 4916 WMIC.exe Token: SeBackupPrivilege 4916 WMIC.exe Token: SeRestorePrivilege 4916 WMIC.exe Token: SeShutdownPrivilege 4916 WMIC.exe Token: SeDebugPrivilege 4916 WMIC.exe Token: SeSystemEnvironmentPrivilege 4916 WMIC.exe Token: SeRemoteShutdownPrivilege 4916 WMIC.exe Token: SeUndockPrivilege 4916 WMIC.exe Token: SeManageVolumePrivilege 4916 WMIC.exe Token: 33 4916 WMIC.exe Token: 34 4916 WMIC.exe Token: 35 4916 WMIC.exe Token: 36 4916 WMIC.exe Token: SeBackupPrivilege 2364 wbengine.exe Token: SeRestorePrivilege 2364 wbengine.exe Token: SeSecurityPrivilege 2364 wbengine.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1336 OpenWith.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1812 wrote to memory of 536 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 88 PID 1812 wrote to memory of 536 1812 2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe 88 PID 536 wrote to memory of 2432 536 C11Setup.exe 93 PID 536 wrote to memory of 2432 536 C11Setup.exe 93 PID 2432 wrote to memory of 5044 2432 cmd.exe 95 PID 2432 wrote to memory of 5044 2432 cmd.exe 95 PID 2432 wrote to memory of 4916 2432 cmd.exe 98 PID 2432 wrote to memory of 4916 2432 cmd.exe 98 PID 536 wrote to memory of 2284 536 C11Setup.exe 99 PID 536 wrote to memory of 2284 536 C11Setup.exe 99 PID 2284 wrote to memory of 3048 2284 cmd.exe 101 PID 2284 wrote to memory of 3048 2284 cmd.exe 101 PID 2284 wrote to memory of 2644 2284 cmd.exe 102 PID 2284 wrote to memory of 2644 2284 cmd.exe 102 PID 536 wrote to memory of 3188 536 C11Setup.exe 103 PID 536 wrote to memory of 3188 536 C11Setup.exe 103 PID 3188 wrote to memory of 2776 3188 cmd.exe 105 PID 3188 wrote to memory of 2776 3188 cmd.exe 105 -
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\2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_d8c4b902a949a1f83d1f83d351a54dab_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Users\Admin\AppData\Roaming\C11Setup.exe"C:\Users\Admin\AppData\Roaming\C11Setup.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:536 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:5044
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4916
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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:2284 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3048
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2644
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2776
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4296
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2364
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2700
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1288
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
301KB
MD5d8c4b902a949a1f83d1f83d351a54dab
SHA187194675e37df056847ca708fd273366c33b0763
SHA256b522599154e233cec2ae4299d46cd0f2f59133d3ef79d6a630511bf5dd7360a6
SHA512825197109538f4a746f2b5d8289d2dba68631c0b112840eaa003116bdb3c3c14e404c1b75e225023a80643e88dfaac2b88694a8a3cc3db049f904eb3fd011f7d
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740