Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
17-02-2024 11:25
Behavioral task
behavioral1
Sample
2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe
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Size
317KB
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MD5
22c442d48aa7c9f9d35eecd0666dea14
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SHA1
a1fdc523787aa5c068613867d0b6c27ee40b70e1
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SHA256
8d20fefdcc204570b0d19b26fd99553ea89697b3646073b769466aa8ac5fc730
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SHA512
1d8705708afeccaaaf467d6466d0dbaa6097b2942c7b45c548175c17b771182e89c7557175b8d830ae9e721471aad20ce0902d6861ab3bb9c35a1cf334f2a308
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SSDEEP
1536:Ho2jYNMNXr9MaAQ/e9rh12xwpUlwhNNxI5/fbBIGbtGutFnL5iU66tDwU1yw+TN+:HojMNXr9MaAQ/eH6wp2wjW/jIIv
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/5096-0-0x0000000000C30000-0x0000000000C84000-memory.dmp family_chaos behavioral2/files/0x0006000000023210-7.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/5096-0-0x0000000000C30000-0x0000000000C84000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x0006000000023210-7.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 1956 bcdedit.exe 2140 bcdedit.exe -
pid Process 2876 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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation tikcp.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tikcp.url tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini tikcp.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt tikcp.exe -
Executes dropped EXE 1 IoCs
pid Process 2672 tikcp.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 tikcp.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Links\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Music\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Searches\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini tikcp.exe File opened for modification C:\Users\Public\Music\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Documents\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Videos\desktop.ini tikcp.exe File opened for modification C:\Users\Public\Videos\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini tikcp.exe File opened for modification C:\Users\Public\Pictures\desktop.ini tikcp.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-996941297-2279405024-2328152752-1000\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini tikcp.exe File opened for modification C:\Users\Public\Desktop\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini tikcp.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini tikcp.exe File opened for modification C:\Users\Public\Documents\desktop.ini tikcp.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5h1gn6a6d.jpg" tikcp.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_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_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 3832 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000_Classes\Local Settings tikcp.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3712 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2672 tikcp.exe -
Suspicious behavior: EnumeratesProcesses 52 IoCs
pid Process 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe 2672 tikcp.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe Token: SeDebugPrivilege 2672 tikcp.exe Token: SeBackupPrivilege 336 vssvc.exe Token: SeRestorePrivilege 336 vssvc.exe Token: SeAuditPrivilege 336 vssvc.exe Token: SeIncreaseQuotaPrivilege 3884 WMIC.exe Token: SeSecurityPrivilege 3884 WMIC.exe Token: SeTakeOwnershipPrivilege 3884 WMIC.exe Token: SeLoadDriverPrivilege 3884 WMIC.exe Token: SeSystemProfilePrivilege 3884 WMIC.exe Token: SeSystemtimePrivilege 3884 WMIC.exe Token: SeProfSingleProcessPrivilege 3884 WMIC.exe Token: SeIncBasePriorityPrivilege 3884 WMIC.exe Token: SeCreatePagefilePrivilege 3884 WMIC.exe Token: SeBackupPrivilege 3884 WMIC.exe Token: SeRestorePrivilege 3884 WMIC.exe Token: SeShutdownPrivilege 3884 WMIC.exe Token: SeDebugPrivilege 3884 WMIC.exe Token: SeSystemEnvironmentPrivilege 3884 WMIC.exe Token: SeRemoteShutdownPrivilege 3884 WMIC.exe Token: SeUndockPrivilege 3884 WMIC.exe Token: SeManageVolumePrivilege 3884 WMIC.exe Token: 33 3884 WMIC.exe Token: 34 3884 WMIC.exe Token: 35 3884 WMIC.exe Token: 36 3884 WMIC.exe Token: SeIncreaseQuotaPrivilege 3884 WMIC.exe Token: SeSecurityPrivilege 3884 WMIC.exe Token: SeTakeOwnershipPrivilege 3884 WMIC.exe Token: SeLoadDriverPrivilege 3884 WMIC.exe Token: SeSystemProfilePrivilege 3884 WMIC.exe Token: SeSystemtimePrivilege 3884 WMIC.exe Token: SeProfSingleProcessPrivilege 3884 WMIC.exe Token: SeIncBasePriorityPrivilege 3884 WMIC.exe Token: SeCreatePagefilePrivilege 3884 WMIC.exe Token: SeBackupPrivilege 3884 WMIC.exe Token: SeRestorePrivilege 3884 WMIC.exe Token: SeShutdownPrivilege 3884 WMIC.exe Token: SeDebugPrivilege 3884 WMIC.exe Token: SeSystemEnvironmentPrivilege 3884 WMIC.exe Token: SeRemoteShutdownPrivilege 3884 WMIC.exe Token: SeUndockPrivilege 3884 WMIC.exe Token: SeManageVolumePrivilege 3884 WMIC.exe Token: 33 3884 WMIC.exe Token: 34 3884 WMIC.exe Token: 35 3884 WMIC.exe Token: 36 3884 WMIC.exe Token: SeBackupPrivilege 4628 wbengine.exe Token: SeRestorePrivilege 4628 wbengine.exe Token: SeSecurityPrivilege 4628 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 5096 wrote to memory of 2672 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 83 PID 5096 wrote to memory of 2672 5096 2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe 83 PID 2672 wrote to memory of 2416 2672 tikcp.exe 89 PID 2672 wrote to memory of 2416 2672 tikcp.exe 89 PID 2416 wrote to memory of 3832 2416 cmd.exe 91 PID 2416 wrote to memory of 3832 2416 cmd.exe 91 PID 2416 wrote to memory of 3884 2416 cmd.exe 94 PID 2416 wrote to memory of 3884 2416 cmd.exe 94 PID 2672 wrote to memory of 5028 2672 tikcp.exe 95 PID 2672 wrote to memory of 5028 2672 tikcp.exe 95 PID 5028 wrote to memory of 1956 5028 cmd.exe 97 PID 5028 wrote to memory of 1956 5028 cmd.exe 97 PID 5028 wrote to memory of 2140 5028 cmd.exe 98 PID 5028 wrote to memory of 2140 5028 cmd.exe 98 PID 2672 wrote to memory of 3292 2672 tikcp.exe 99 PID 2672 wrote to memory of 3292 2672 tikcp.exe 99 PID 3292 wrote to memory of 2876 3292 cmd.exe 101 PID 3292 wrote to memory of 2876 3292 cmd.exe 101 PID 2672 wrote to memory of 3712 2672 tikcp.exe 106 PID 2672 wrote to memory of 3712 2672 tikcp.exe 106 -
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\2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_22c442d48aa7c9f9d35eecd0666dea14_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Users\Admin\AppData\Roaming\tikcp.exe"C:\Users\Admin\AppData\Roaming\tikcp.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:2672 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3832
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3884
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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:5028 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1956
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2140
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2876
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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:3712
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:336
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4628
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4768
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2784
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
317KB
MD522c442d48aa7c9f9d35eecd0666dea14
SHA1a1fdc523787aa5c068613867d0b6c27ee40b70e1
SHA2568d20fefdcc204570b0d19b26fd99553ea89697b3646073b769466aa8ac5fc730
SHA5121d8705708afeccaaaf467d6466d0dbaa6097b2942c7b45c548175c17b771182e89c7557175b8d830ae9e721471aad20ce0902d6861ab3bb9c35a1cf334f2a308
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Filesize
729B
MD56307522e98de22e159d4f7e943a92c20
SHA1788a9f81a924b60246ebb96b13aaf9df53e4a5ba
SHA256a77f348ad194923a42d74f5b8e225ddf713b4d651d228638f8379d1aa1a37379
SHA51259354eaf95a8af38366afa5e16379e901ef6bc391119bd14385249dbda1cec789ccb93e220b0ac9d3af11eefea555d13a4bb1321c68489c7997f78788244faae