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Analysis
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max time kernel
116s -
max time network
118s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
08/04/2024, 21:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Flash Player.exe
Resource
win7-20240221-en
windows7-x64
25 signatures
1800 seconds
Behavioral task
behavioral2
Sample
Flash Player.exe
Resource
win10-20240404-en
windows10-1703-x64
28 signatures
1800 seconds
Behavioral task
behavioral3
Sample
Flash Player.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
29 signatures
1800 seconds
Behavioral task
behavioral4
Sample
Flash Player.exe
Resource
win11-20240214-en
windows11-21h2-x64
28 signatures
1800 seconds
Errors
Reason
Machine shutdown
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
Score
10/10
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/0x000100000002a7a7-29.dat family_chaos behavioral4/memory/4856-36-0x0000000000D40000-0x0000000000E76000-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 3432 bcdedit.exe 228 bcdedit.exe -
Renames multiple (169) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 2312 wbadmin.exe -
Drops startup file 6 IoCs
description ioc Process 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 File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe cssrs.exe -
Executes dropped EXE 4 IoCs
pid Process 4124 cssrs.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4564 XXX555.exe 2928 cssrs.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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-1-5-21-2567984660-2719943099-2683635618-1000\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Searches\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Videos\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Saved Games\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\Public\Documents\desktop.ini XXX555.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2567984660-2719943099-2683635618-1000\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\Libraries\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\Public\Music\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Desktop\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\Favorites\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\AccountPictures\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini XXX555.exe File opened for modification C:\Users\Public\Pictures\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\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\AppData\Roaming\Microsoft\Windows\SendTo\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\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\Desktop\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Links\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Music\desktop.ini XXX555.exe File opened for modification C:\Users\Admin\Favorites\Links\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-1-5-21-2567984660-2719943099-2683635618-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\memb011ii.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 4820 schtasks.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1988 vssadmin.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" 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\ColorizationGlassAttribute = "1" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 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\ColorizationAfterglowBalance = "10" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" 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\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "18" LogonUI.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000_Classes\Local Settings XXX555.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1872 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4564 XXX555.exe -
Suspicious behavior: EnumeratesProcesses 35 IoCs
pid Process 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4856 130a66f28a5e472bb08251c5be716204.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe 4564 XXX555.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1952 Flash Player.exe Token: SeDebugPrivilege 4124 cssrs.exe Token: 33 4124 cssrs.exe Token: SeIncBasePriorityPrivilege 4124 cssrs.exe Token: 33 4124 cssrs.exe Token: SeIncBasePriorityPrivilege 4124 cssrs.exe Token: 33 4124 cssrs.exe Token: SeIncBasePriorityPrivilege 4124 cssrs.exe Token: 33 4124 cssrs.exe Token: SeIncBasePriorityPrivilege 4124 cssrs.exe Token: SeDebugPrivilege 4856 130a66f28a5e472bb08251c5be716204.exe Token: 33 4124 cssrs.exe Token: SeIncBasePriorityPrivilege 4124 cssrs.exe Token: SeDebugPrivilege 4564 XXX555.exe Token: SeBackupPrivilege 4972 vssvc.exe Token: SeRestorePrivilege 4972 vssvc.exe Token: SeAuditPrivilege 4972 vssvc.exe Token: SeIncreaseQuotaPrivilege 1724 WMIC.exe Token: SeSecurityPrivilege 1724 WMIC.exe Token: SeTakeOwnershipPrivilege 1724 WMIC.exe Token: SeLoadDriverPrivilege 1724 WMIC.exe Token: SeSystemProfilePrivilege 1724 WMIC.exe Token: SeSystemtimePrivilege 1724 WMIC.exe Token: SeProfSingleProcessPrivilege 1724 WMIC.exe Token: SeIncBasePriorityPrivilege 1724 WMIC.exe Token: SeCreatePagefilePrivilege 1724 WMIC.exe Token: SeBackupPrivilege 1724 WMIC.exe Token: SeRestorePrivilege 1724 WMIC.exe Token: SeShutdownPrivilege 1724 WMIC.exe Token: SeDebugPrivilege 1724 WMIC.exe Token: SeSystemEnvironmentPrivilege 1724 WMIC.exe Token: SeRemoteShutdownPrivilege 1724 WMIC.exe Token: SeUndockPrivilege 1724 WMIC.exe Token: SeManageVolumePrivilege 1724 WMIC.exe Token: 33 1724 WMIC.exe Token: 34 1724 WMIC.exe Token: 35 1724 WMIC.exe Token: 36 1724 WMIC.exe Token: SeIncreaseQuotaPrivilege 1724 WMIC.exe Token: SeSecurityPrivilege 1724 WMIC.exe Token: SeTakeOwnershipPrivilege 1724 WMIC.exe Token: SeLoadDriverPrivilege 1724 WMIC.exe Token: SeSystemProfilePrivilege 1724 WMIC.exe Token: SeSystemtimePrivilege 1724 WMIC.exe Token: SeProfSingleProcessPrivilege 1724 WMIC.exe Token: SeIncBasePriorityPrivilege 1724 WMIC.exe Token: SeCreatePagefilePrivilege 1724 WMIC.exe Token: SeBackupPrivilege 1724 WMIC.exe Token: SeRestorePrivilege 1724 WMIC.exe Token: SeShutdownPrivilege 1724 WMIC.exe Token: SeDebugPrivilege 1724 WMIC.exe Token: SeSystemEnvironmentPrivilege 1724 WMIC.exe Token: SeRemoteShutdownPrivilege 1724 WMIC.exe Token: SeUndockPrivilege 1724 WMIC.exe Token: SeManageVolumePrivilege 1724 WMIC.exe Token: 33 1724 WMIC.exe Token: 34 1724 WMIC.exe Token: 35 1724 WMIC.exe Token: 36 1724 WMIC.exe Token: SeBackupPrivilege 988 wbengine.exe Token: SeRestorePrivilege 988 wbengine.exe Token: SeSecurityPrivilege 988 wbengine.exe Token: 33 4124 cssrs.exe Token: SeIncBasePriorityPrivilege 4124 cssrs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2216 LogonUI.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1952 wrote to memory of 4124 1952 Flash Player.exe 77 PID 1952 wrote to memory of 4124 1952 Flash Player.exe 77 PID 1952 wrote to memory of 4124 1952 Flash Player.exe 77 PID 1952 wrote to memory of 4752 1952 Flash Player.exe 78 PID 1952 wrote to memory of 4752 1952 Flash Player.exe 78 PID 1952 wrote to memory of 4752 1952 Flash Player.exe 78 PID 4752 wrote to memory of 1748 4752 cmd.exe 80 PID 4752 wrote to memory of 1748 4752 cmd.exe 80 PID 4752 wrote to memory of 1748 4752 cmd.exe 80 PID 4124 wrote to memory of 5108 4124 cssrs.exe 81 PID 4124 wrote to memory of 5108 4124 cssrs.exe 81 PID 4124 wrote to memory of 5108 4124 cssrs.exe 81 PID 4124 wrote to memory of 4820 4124 cssrs.exe 83 PID 4124 wrote to memory of 4820 4124 cssrs.exe 83 PID 4124 wrote to memory of 4820 4124 cssrs.exe 83 PID 4124 wrote to memory of 4856 4124 cssrs.exe 86 PID 4124 wrote to memory of 4856 4124 cssrs.exe 86 PID 4856 wrote to memory of 4564 4856 130a66f28a5e472bb08251c5be716204.exe 87 PID 4856 wrote to memory of 4564 4856 130a66f28a5e472bb08251c5be716204.exe 87 PID 4564 wrote to memory of 3044 4564 XXX555.exe 89 PID 4564 wrote to memory of 3044 4564 XXX555.exe 89 PID 3044 wrote to memory of 1988 3044 cmd.exe 91 PID 3044 wrote to memory of 1988 3044 cmd.exe 91 PID 3044 wrote to memory of 1724 3044 cmd.exe 94 PID 3044 wrote to memory of 1724 3044 cmd.exe 94 PID 4564 wrote to memory of 1484 4564 XXX555.exe 95 PID 4564 wrote to memory of 1484 4564 XXX555.exe 95 PID 1484 wrote to memory of 3432 1484 cmd.exe 97 PID 1484 wrote to memory of 3432 1484 cmd.exe 97 PID 1484 wrote to memory of 228 1484 cmd.exe 98 PID 1484 wrote to memory of 228 1484 cmd.exe 98 PID 4564 wrote to memory of 2976 4564 XXX555.exe 99 PID 4564 wrote to memory of 2976 4564 XXX555.exe 99 PID 2976 wrote to memory of 2312 2976 cmd.exe 101 PID 2976 wrote to memory of 2312 2976 cmd.exe 101 PID 4564 wrote to memory of 1872 4564 XXX555.exe 105 PID 4564 wrote to memory of 1872 4564 XXX555.exe 105 PID 4124 wrote to memory of 4424 4124 cssrs.exe 108 PID 4124 wrote to memory of 4424 4124 cssrs.exe 108 PID 4124 wrote to memory of 4424 4124 cssrs.exe 108 -
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:1952 -
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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "NvidiaDreever" /f3⤵PID:5108
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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:4820
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C:\Users\Admin\AppData\Local\Temp\130a66f28a5e472bb08251c5be716204.exe"C:\Users\Admin\AppData\Local\Temp\130a66f28a5e472bb08251c5be716204.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
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
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete5⤵
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet6⤵
- Interacts with shadow copies
PID:1988
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1724
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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:1484 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures6⤵
- Modifies boot configuration data using bcdedit
PID:3432
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no6⤵
- Modifies boot configuration data using bcdedit
PID:228
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet5⤵
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet6⤵
- Deletes backup catalog
PID:2312
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\RESTORE.txt5⤵
- Opens file in notepad (likely ransom note)
PID:1872
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C:\Windows\SysWOW64\shutdown.exe"C:\Windows\System32\shutdown.exe" /r /t 003⤵PID:4424
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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:4752 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 53⤵PID:1748
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4972
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:988
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1264
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4696
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C:\Users\Admin\AppData\Roaming\cssrs.exeC:\Users\Admin\AppData\Roaming\cssrs.exe1⤵
- Executes dropped EXE
PID:2928
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a23055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2216
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
1.2MB
MD55ac0301392b4b41c55a8fa525ce1fc71
SHA1e1e852d4a292bf2885cfb075cfc0b57a4c352ed0
SHA256770375f7bce6884c1b5dc9458ae0ee3982b0b7ce9bdf7259c631faf9f9facc22
SHA512d4d4b5c53e86f8a59f10b5208ebfe3a9fd5b98b471de001782f8de3c220af23c6cf662f387252869262d21dd92b7e3933f6674967cd3e4bab7666978ad31d5f1
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Filesize
534KB
MD5670c5e520902ccad978f4171dab178f4
SHA109d08afadf92f6d7303ed406f7da32ddd708090a
SHA256d9f889aecab50e4037018337cbbe4cc3c3b0f3647dc3e97de909d3aaa0c47097
SHA512ec01f7aae8a909435823309748179408fe8b09288c4f8ba936a1c2b24ba8c2ee81dc5b9903c8401995855ba320daf79c9f755509560ded9cc697eb777f150931
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Filesize
171B
MD53e6c4d018bb590573ad262cc1715d7b9
SHA1d1b9156f9c88feb4d8da5d6b18d7861622794960
SHA25606442ae852bdef53ce2a12888f2204f0b2facd1fb43cbba94869adc97e6ad00a
SHA5124bba042c7c071d1f63ac51c1e2c4ff440c5bf00f1836668cc7048f35332da9a7324b41394596c0da9fb77c8a6ececc722f955185dd0f983c2c236ea19bfb0b19