Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 07:17
Behavioral task
behavioral1
Sample
Google Photo.exe
Resource
win7-20240508-en
windows7-x64
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
Google Photo.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
22 signatures
150 seconds
General
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Target
Google Photo.exe
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Size
3.2MB
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MD5
db5c28ec647afd894c01422584d551a5
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SHA1
fa0b5ebcb983509eebc7222725792976fad2aca8
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SHA256
524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
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SHA512
730054505deddeeefce4b1cc3b8ea362946e9e12ea289bc64285c0ce417d8964a767d03ccdf69ab4dd184d9888b9f3c1b51134cfb9c067861b5c1f4c06a3f67a
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SSDEEP
24576:s0JR6V45PL2ybTlBpPcmtR9tArJms0dIU1wuKav4WgNFlLKKDGyMgl+ICHusEd:5iylZ9tAcBSGgJtAZu
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/880-0-0x0000000000990000-0x0000000000CCC000-memory.dmp family_chaos behavioral2/files/0x000800000002347d-7.dat family_chaos -
Deletes shadow copies 3 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 3504 bcdedit.exe 3912 bcdedit.exe -
pid Process 2564 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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation Google Photo.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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\Leggimi.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3828 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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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 C:\Users\Public\Desktop\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\Start Menu\Programs\Administrative Tools\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\desktop.ini svchost.exe 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\Recent\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\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\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\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\OneDrive\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\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\AccountPictures\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\Public\Music\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3571316656-3665257725-2415531812-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oj4rbax2j.jpg" 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 4172 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3500 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3828 svchost.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 880 Google Photo.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe 3828 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 880 Google Photo.exe Token: SeDebugPrivilege 3828 svchost.exe Token: SeBackupPrivilege 2468 vssvc.exe Token: SeRestorePrivilege 2468 vssvc.exe Token: SeAuditPrivilege 2468 vssvc.exe Token: SeIncreaseQuotaPrivilege 1128 WMIC.exe Token: SeSecurityPrivilege 1128 WMIC.exe Token: SeTakeOwnershipPrivilege 1128 WMIC.exe Token: SeLoadDriverPrivilege 1128 WMIC.exe Token: SeSystemProfilePrivilege 1128 WMIC.exe Token: SeSystemtimePrivilege 1128 WMIC.exe Token: SeProfSingleProcessPrivilege 1128 WMIC.exe Token: SeIncBasePriorityPrivilege 1128 WMIC.exe Token: SeCreatePagefilePrivilege 1128 WMIC.exe Token: SeBackupPrivilege 1128 WMIC.exe Token: SeRestorePrivilege 1128 WMIC.exe Token: SeShutdownPrivilege 1128 WMIC.exe Token: SeDebugPrivilege 1128 WMIC.exe Token: SeSystemEnvironmentPrivilege 1128 WMIC.exe Token: SeRemoteShutdownPrivilege 1128 WMIC.exe Token: SeUndockPrivilege 1128 WMIC.exe Token: SeManageVolumePrivilege 1128 WMIC.exe Token: 33 1128 WMIC.exe Token: 34 1128 WMIC.exe Token: 35 1128 WMIC.exe Token: 36 1128 WMIC.exe Token: SeIncreaseQuotaPrivilege 1128 WMIC.exe Token: SeSecurityPrivilege 1128 WMIC.exe Token: SeTakeOwnershipPrivilege 1128 WMIC.exe Token: SeLoadDriverPrivilege 1128 WMIC.exe Token: SeSystemProfilePrivilege 1128 WMIC.exe Token: SeSystemtimePrivilege 1128 WMIC.exe Token: SeProfSingleProcessPrivilege 1128 WMIC.exe Token: SeIncBasePriorityPrivilege 1128 WMIC.exe Token: SeCreatePagefilePrivilege 1128 WMIC.exe Token: SeBackupPrivilege 1128 WMIC.exe Token: SeRestorePrivilege 1128 WMIC.exe Token: SeShutdownPrivilege 1128 WMIC.exe Token: SeDebugPrivilege 1128 WMIC.exe Token: SeSystemEnvironmentPrivilege 1128 WMIC.exe Token: SeRemoteShutdownPrivilege 1128 WMIC.exe Token: SeUndockPrivilege 1128 WMIC.exe Token: SeManageVolumePrivilege 1128 WMIC.exe Token: 33 1128 WMIC.exe Token: 34 1128 WMIC.exe Token: 35 1128 WMIC.exe Token: 36 1128 WMIC.exe Token: SeBackupPrivilege 3676 wbengine.exe Token: SeRestorePrivilege 3676 wbengine.exe Token: SeSecurityPrivilege 3676 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 880 wrote to memory of 3828 880 Google Photo.exe 98 PID 880 wrote to memory of 3828 880 Google Photo.exe 98 PID 3828 wrote to memory of 704 3828 svchost.exe 101 PID 3828 wrote to memory of 704 3828 svchost.exe 101 PID 704 wrote to memory of 4172 704 cmd.exe 103 PID 704 wrote to memory of 4172 704 cmd.exe 103 PID 704 wrote to memory of 1128 704 cmd.exe 106 PID 704 wrote to memory of 1128 704 cmd.exe 106 PID 3828 wrote to memory of 1044 3828 svchost.exe 107 PID 3828 wrote to memory of 1044 3828 svchost.exe 107 PID 1044 wrote to memory of 3504 1044 cmd.exe 109 PID 1044 wrote to memory of 3504 1044 cmd.exe 109 PID 1044 wrote to memory of 3912 1044 cmd.exe 110 PID 1044 wrote to memory of 3912 1044 cmd.exe 110 PID 3828 wrote to memory of 3852 3828 svchost.exe 111 PID 3828 wrote to memory of 3852 3828 svchost.exe 111 PID 3852 wrote to memory of 2564 3852 cmd.exe 113 PID 3852 wrote to memory of 2564 3852 cmd.exe 113 PID 3828 wrote to memory of 3500 3828 svchost.exe 117 PID 3828 wrote to memory of 3500 3828 svchost.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\Google Photo.exe"C:\Users\Admin\AppData\Local\Temp\Google Photo.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:880 -
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)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4172
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1128
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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:1044 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3504
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:3912
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2564
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\Leggimi.txt3⤵
- Opens file in notepad (likely ransom note)
PID:3500
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2468
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3676
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4624
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3928
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.2MB
MD5db5c28ec647afd894c01422584d551a5
SHA1fa0b5ebcb983509eebc7222725792976fad2aca8
SHA256524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
SHA512730054505deddeeefce4b1cc3b8ea362946e9e12ea289bc64285c0ce417d8964a767d03ccdf69ab4dd184d9888b9f3c1b51134cfb9c067861b5c1f4c06a3f67a
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Filesize
437B
MD59c5d9fd5db486b31324ad8eef0558c1b
SHA14d6e0b43ae59b8420730294d371118d6e429157f
SHA2561f2154533308355548ad3694f03cc1582bc0aa549173a5d11920ac38469d6f3b
SHA512b5c27756cbf8756dcfea07c6134e8711b61fcaa87360056609d65354e845adf2f00bc05140bf40044675b7c6cc7ef0b546bad3886a4cf34d12251570b49e80f7