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Analysis
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max time kernel
644s -
max time network
646s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
08/04/2024, 21:56
Static task
static1
Behavioral task
behavioral1
Sample
Flash Player.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Flash Player.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Flash Player.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
Flash Player.exe
Resource
win11-20240221-en
Errors
General
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Target
Flash Player.exe
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Size
534KB
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MD5
670c5e520902ccad978f4171dab178f4
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SHA1
09d08afadf92f6d7303ed406f7da32ddd708090a
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SHA256
d9f889aecab50e4037018337cbbe4cc3c3b0f3647dc3e97de909d3aaa0c47097
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SHA512
ec01f7aae8a909435823309748179408fe8b09288c4f8ba936a1c2b24ba8c2ee81dc5b9903c8401995855ba320daf79c9f755509560ded9cc697eb777f150931
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SSDEEP
12288:rdJX8v+mtT+AAAAAAAAAAAAAAAXAbAAAAAAAAAAAAAAAAAAAAAbAAAgAxAAAAAAk:rXHmtT
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 behavioral4/files/0x000100000002a788-28.dat family_chaos behavioral4/memory/4308-35-0x0000000000E40000-0x0000000000F76000-memory.dmp family_chaos -
Deletes shadow copies 2 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 1624 bcdedit.exe 4488 bcdedit.exe -
Renames multiple (193) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 2008 wbadmin.exe -
Drops startup file 6 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe cssrs.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe cssrs.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.url cssrs.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XXX555.url XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini XXX555.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RESTORE.txt XXX555.exe -
Executes dropped EXE 13 IoCs
pid Process 4864 cssrs.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 3240 XXX555.exe 1660 cssrs.exe 1140 cssrs.exe 3936 cssrs.exe 676 cssrs.exe 5084 cssrs.exe 1788 cssrs.exe 2432 cssrs.exe 3124 cssrs.exe 3156 cssrs.exe 2560 cssrs.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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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Windows\CurrentVersion\Run\cssrs.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\cssrs.exe\" .." cssrs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cssrs.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\cssrs.exe\" .." cssrs.exe -
Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Music\desktop.ini XXX555.exe File opened for modification C:\Users\Public\Pictures\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini XXX555.exe File opened for modification C:\Users\Public\Desktop\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Links\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini XXX555.exe File opened for modification C:\Users\Public\Documents\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini XXX555.exe File opened for modification C:\Users\Public\Music\desktop.ini XXX555.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1637591879-962683004-3585269084-1000\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini XXX555.exe File opened for modification C:\Users\Public\Videos\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Documents\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Videos\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Searches\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini XXX555.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 1 0.tcp.eu.ngrok.io -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0l3q9g8rr.jpg" XXX555.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 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5088 schtasks.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3892 vssadmin.exe -
Modifies data under HKEY_USERS 13 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000_Classes\Local Settings cssrs.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1472 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3240 XXX555.exe -
Suspicious behavior: EnumeratesProcesses 35 IoCs
pid Process 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe 3240 XXX555.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2088 Flash Player.exe Token: SeDebugPrivilege 4864 cssrs.exe Token: 33 4864 cssrs.exe Token: SeIncBasePriorityPrivilege 4864 cssrs.exe Token: 33 4864 cssrs.exe Token: SeIncBasePriorityPrivilege 4864 cssrs.exe Token: SeDebugPrivilege 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe Token: SeDebugPrivilege 3240 XXX555.exe Token: 33 4864 cssrs.exe Token: SeIncBasePriorityPrivilege 4864 cssrs.exe Token: SeBackupPrivilege 1332 vssvc.exe Token: SeRestorePrivilege 1332 vssvc.exe Token: SeAuditPrivilege 1332 vssvc.exe Token: SeIncreaseQuotaPrivilege 2344 WMIC.exe Token: SeSecurityPrivilege 2344 WMIC.exe Token: SeTakeOwnershipPrivilege 2344 WMIC.exe Token: SeLoadDriverPrivilege 2344 WMIC.exe Token: SeSystemProfilePrivilege 2344 WMIC.exe Token: SeSystemtimePrivilege 2344 WMIC.exe Token: SeProfSingleProcessPrivilege 2344 WMIC.exe Token: SeIncBasePriorityPrivilege 2344 WMIC.exe Token: SeCreatePagefilePrivilege 2344 WMIC.exe Token: SeBackupPrivilege 2344 WMIC.exe Token: SeRestorePrivilege 2344 WMIC.exe Token: SeShutdownPrivilege 2344 WMIC.exe Token: SeDebugPrivilege 2344 WMIC.exe Token: SeSystemEnvironmentPrivilege 2344 WMIC.exe Token: SeRemoteShutdownPrivilege 2344 WMIC.exe Token: SeUndockPrivilege 2344 WMIC.exe Token: SeManageVolumePrivilege 2344 WMIC.exe Token: 33 2344 WMIC.exe Token: 34 2344 WMIC.exe Token: 35 2344 WMIC.exe Token: 36 2344 WMIC.exe Token: SeIncreaseQuotaPrivilege 2344 WMIC.exe Token: SeSecurityPrivilege 2344 WMIC.exe Token: SeTakeOwnershipPrivilege 2344 WMIC.exe Token: SeLoadDriverPrivilege 2344 WMIC.exe Token: SeSystemProfilePrivilege 2344 WMIC.exe Token: SeSystemtimePrivilege 2344 WMIC.exe Token: SeProfSingleProcessPrivilege 2344 WMIC.exe Token: SeIncBasePriorityPrivilege 2344 WMIC.exe Token: SeCreatePagefilePrivilege 2344 WMIC.exe Token: SeBackupPrivilege 2344 WMIC.exe Token: SeRestorePrivilege 2344 WMIC.exe Token: SeShutdownPrivilege 2344 WMIC.exe Token: SeDebugPrivilege 2344 WMIC.exe Token: SeSystemEnvironmentPrivilege 2344 WMIC.exe Token: SeRemoteShutdownPrivilege 2344 WMIC.exe Token: SeUndockPrivilege 2344 WMIC.exe Token: SeManageVolumePrivilege 2344 WMIC.exe Token: 33 2344 WMIC.exe Token: 34 2344 WMIC.exe Token: 35 2344 WMIC.exe Token: 36 2344 WMIC.exe Token: SeBackupPrivilege 3036 wbengine.exe Token: SeRestorePrivilege 3036 wbengine.exe Token: SeSecurityPrivilege 3036 wbengine.exe Token: 33 4864 cssrs.exe Token: SeIncBasePriorityPrivilege 4864 cssrs.exe Token: 33 4864 cssrs.exe Token: SeIncBasePriorityPrivilege 4864 cssrs.exe Token: 33 4864 cssrs.exe Token: SeIncBasePriorityPrivilege 4864 cssrs.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 2088 wrote to memory of 4864 2088 Flash Player.exe 77 PID 2088 wrote to memory of 4864 2088 Flash Player.exe 77 PID 2088 wrote to memory of 4864 2088 Flash Player.exe 77 PID 2088 wrote to memory of 4692 2088 Flash Player.exe 78 PID 2088 wrote to memory of 4692 2088 Flash Player.exe 78 PID 2088 wrote to memory of 4692 2088 Flash Player.exe 78 PID 4692 wrote to memory of 3616 4692 cmd.exe 80 PID 4692 wrote to memory of 3616 4692 cmd.exe 80 PID 4692 wrote to memory of 3616 4692 cmd.exe 80 PID 4864 wrote to memory of 864 4864 cssrs.exe 81 PID 4864 wrote to memory of 864 4864 cssrs.exe 81 PID 4864 wrote to memory of 864 4864 cssrs.exe 81 PID 4864 wrote to memory of 5088 4864 cssrs.exe 83 PID 4864 wrote to memory of 5088 4864 cssrs.exe 83 PID 4864 wrote to memory of 5088 4864 cssrs.exe 83 PID 4864 wrote to memory of 4308 4864 cssrs.exe 86 PID 4864 wrote to memory of 4308 4864 cssrs.exe 86 PID 4308 wrote to memory of 3240 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 87 PID 4308 wrote to memory of 3240 4308 c9e3fc8f2d75425083b04dfc7ec85742.exe 87 PID 3240 wrote to memory of 4340 3240 XXX555.exe 89 PID 3240 wrote to memory of 4340 3240 XXX555.exe 89 PID 4340 wrote to memory of 3892 4340 cmd.exe 91 PID 4340 wrote to memory of 3892 4340 cmd.exe 91 PID 4340 wrote to memory of 2344 4340 cmd.exe 94 PID 4340 wrote to memory of 2344 4340 cmd.exe 94 PID 3240 wrote to memory of 884 3240 XXX555.exe 95 PID 3240 wrote to memory of 884 3240 XXX555.exe 95 PID 884 wrote to memory of 1624 884 cmd.exe 97 PID 884 wrote to memory of 1624 884 cmd.exe 97 PID 884 wrote to memory of 4488 884 cmd.exe 98 PID 884 wrote to memory of 4488 884 cmd.exe 98 PID 3240 wrote to memory of 2040 3240 XXX555.exe 99 PID 3240 wrote to memory of 2040 3240 XXX555.exe 99 PID 2040 wrote to memory of 2008 2040 cmd.exe 101 PID 2040 wrote to memory of 2008 2040 cmd.exe 101 PID 4864 wrote to memory of 1472 4864 cssrs.exe 115 PID 4864 wrote to memory of 1472 4864 cssrs.exe 115 PID 4864 wrote to memory of 1472 4864 cssrs.exe 115 PID 4864 wrote to memory of 3408 4864 cssrs.exe 117 PID 4864 wrote to memory of 3408 4864 cssrs.exe 117 PID 4864 wrote to memory of 3408 4864 cssrs.exe 117 -
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\Flash Player.exe"C:\Users\Admin\AppData\Local\Temp\Flash Player.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Roaming\cssrs.exe"C:\Users\Admin\AppData\Roaming\cssrs.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "NvidiaDreever" /f3⤵PID:864
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "NvidiaDreever" /tr C:\Users\Admin\AppData\Roaming\cssrs.exe3⤵
- Creates scheduled task(s)
PID:5088
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C:\Users\Admin\AppData\Local\Temp\c9e3fc8f2d75425083b04dfc7ec85742.exe"C:\Users\Admin\AppData\Local\Temp\c9e3fc8f2d75425083b04dfc7ec85742.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Users\Admin\AppData\Roaming\XXX555.exe"C:\Users\Admin\AppData\Roaming\XXX555.exe"4⤵
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete5⤵
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet6⤵
- Interacts with shadow copies
PID:3892
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete6⤵
- Suspicious use of AdjustPrivilegeToken
PID:2344
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no5⤵
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures6⤵
- Modifies boot configuration data using bcdedit
PID:1624
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no6⤵
- Modifies boot configuration data using bcdedit
PID:4488
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet5⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet6⤵
- Deletes backup catalog
PID:2008
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\a0759b0b762a4f45b5b566506273c6d2.txt3⤵
- Opens file in notepad (likely ransom note)
PID:1472
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C:\Windows\SysWOW64\shutdown.exe"C:\Windows\System32\shutdown.exe" /s /t 003⤵PID:3408
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\Flash Player.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 53⤵PID:3616
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1332
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3036
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3356
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1768
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:1660
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:1140
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:3936
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:676
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:5084
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:1788
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:2432
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:3124
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:3156
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:2560
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a20855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
PID:1700
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
617B
MD5c66cf802a892edafbc83ff0079efbd11
SHA1872238b3ee0a9386a9fd634efd6e09668984fa6b
SHA2564ab646f8bf5623ebac140b0b649eae85c7e864866013151d56ce996d96d64153
SHA512e44b332728209d34691db8618acceacdc3366769abd8f96370e9de4e684e062e426591f9ff1dc086203db2bd0a812aff1038211638899e8b078b0819badd0708
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Filesize
59B
MD5403bb7ecdfbb13b27a7b7ae2e6b8014f
SHA18277f0e4ae5648dc81e824e8a7ee36f80adbdbef
SHA25608819d4f60facc62ae8564157cc34163eb7e5ad4c4732109c9d4a7d20e76f783
SHA512b4b14e33bc11c99c839ef8f963c972f62fe63ec9af0300e3aeaf1868c95f71e66355e437dd4902f5d9904dc54beb94e4aec6c214e3c88ce0d81eb761e283393e
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Filesize
1.2MB
MD5e4ea9a5aee8f1d7576d8237b52fe345c
SHA1abf5a63f22b6d953a3cf8304f52cd2ceb1701055
SHA256d2d89b20e8f6fed21b4d8747df80d8c43107853e9d820cb9d5aeb832a36d773b
SHA512761f1ca9ea9dd5c2c0930d3681467924a1d4ab9cd64d02ddbe2d8555a021e96f9f8b260c3a80ea96d18115999f2289686b4644ee240864a0d3000620facf90e8
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Filesize
422KB
MD5705a10144ffd51597b863af7b6dc6761
SHA168e3ff4a0c5c498e958431cc4379f33042900194
SHA256cbc8a31345ac302681cac85e5347de1ffcbaa12bdc50c679ecf99cda7fc5157e
SHA51200685116a9471c2f95534932eedf29e70c0486cdb16235770ff3ab8655396ead19378c29f57f298ac2d17e202ed8e75b4ecab282a1be4cb40dd27774568107a3
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Filesize
534KB
MD5670c5e520902ccad978f4171dab178f4
SHA109d08afadf92f6d7303ed406f7da32ddd708090a
SHA256d9f889aecab50e4037018337cbbe4cc3c3b0f3647dc3e97de909d3aaa0c47097
SHA512ec01f7aae8a909435823309748179408fe8b09288c4f8ba936a1c2b24ba8c2ee81dc5b9903c8401995855ba320daf79c9f755509560ded9cc697eb777f150931
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Filesize
171B
MD53e6c4d018bb590573ad262cc1715d7b9
SHA1d1b9156f9c88feb4d8da5d6b18d7861622794960
SHA25606442ae852bdef53ce2a12888f2204f0b2facd1fb43cbba94869adc97e6ad00a
SHA5124bba042c7c071d1f63ac51c1e2c4ff440c5bf00f1836668cc7048f35332da9a7324b41394596c0da9fb77c8a6ececc722f955185dd0f983c2c236ea19bfb0b19