Analysis
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max time kernel
87s -
max time network
88s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
19-02-2025 17:07
Behavioral task
behavioral1
Sample
RobloxInjector.exe
Resource
win10v2004-20250217-en
windows10-2004-x64
24 signatures
150 seconds
General
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Target
RobloxInjector.exe
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Size
27KB
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MD5
afc5291af9dedb512de52834bfaebdee
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SHA1
66031dc9e1086990ae764f949874352de56cd455
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SHA256
3e52fd2c2ad71eb254ce2cc243edabfb2b034994a8669e1031ccabde3448ef9f
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SHA512
1708bbf5040da1a2426947f9a34b32e1a2a1052d46b7315c0e869c46389201d432fce0c57db55cb4a0bddd359b8edc251e59b517f8ded83ac003b198bda1ae1b
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SSDEEP
384:LtWZPzzxAm1vDM2tANCSGGhS6PNVclIOy5o91j6dA382vf0:C7zxAmS2tANCG0kNbho9tc8820
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 behavioral1/memory/4548-0-0x0000000000310000-0x000000000031E000-memory.dmp family_chaos behavioral1/files/0x000900000001e6db-9.dat family_chaos -
Chaos family
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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 5116 bcdedit.exe 1524 bcdedit.exe -
pid Process 4172 wbadmin.exe -
Disables Task Manager via registry modification
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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-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation RobloxInjector.exe Key value queried \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 2 IoCs
description ioc Process 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\read_it.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 208 svchost.exe -
Reads user/profile data of web browsers 3 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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini svchost.exe 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\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-925314154-1797147466-1467878628-1000\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\Local\Microsoft\Windows\WinX\Group1\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\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\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\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Public\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\Internet Explorer\Quick Launch\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\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\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\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\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\AppData\Local\Microsoft\Windows\WinX\Group2\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\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\StartUp\desktop.ini 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_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\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 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 456 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3488 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4548 RobloxInjector.exe 208 svchost.exe -
Suspicious behavior: EnumeratesProcesses 44 IoCs
pid Process 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 4548 RobloxInjector.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4548 RobloxInjector.exe Token: SeDebugPrivilege 208 svchost.exe Token: SeBackupPrivilege 1400 vssvc.exe Token: SeRestorePrivilege 1400 vssvc.exe Token: SeAuditPrivilege 1400 vssvc.exe Token: SeIncreaseQuotaPrivilege 1940 WMIC.exe Token: SeSecurityPrivilege 1940 WMIC.exe Token: SeTakeOwnershipPrivilege 1940 WMIC.exe Token: SeLoadDriverPrivilege 1940 WMIC.exe Token: SeSystemProfilePrivilege 1940 WMIC.exe Token: SeSystemtimePrivilege 1940 WMIC.exe Token: SeProfSingleProcessPrivilege 1940 WMIC.exe Token: SeIncBasePriorityPrivilege 1940 WMIC.exe Token: SeCreatePagefilePrivilege 1940 WMIC.exe Token: SeBackupPrivilege 1940 WMIC.exe Token: SeRestorePrivilege 1940 WMIC.exe Token: SeShutdownPrivilege 1940 WMIC.exe Token: SeDebugPrivilege 1940 WMIC.exe Token: SeSystemEnvironmentPrivilege 1940 WMIC.exe Token: SeRemoteShutdownPrivilege 1940 WMIC.exe Token: SeUndockPrivilege 1940 WMIC.exe Token: SeManageVolumePrivilege 1940 WMIC.exe Token: 33 1940 WMIC.exe Token: 34 1940 WMIC.exe Token: 35 1940 WMIC.exe Token: 36 1940 WMIC.exe Token: SeIncreaseQuotaPrivilege 1940 WMIC.exe Token: SeSecurityPrivilege 1940 WMIC.exe Token: SeTakeOwnershipPrivilege 1940 WMIC.exe Token: SeLoadDriverPrivilege 1940 WMIC.exe Token: SeSystemProfilePrivilege 1940 WMIC.exe Token: SeSystemtimePrivilege 1940 WMIC.exe Token: SeProfSingleProcessPrivilege 1940 WMIC.exe Token: SeIncBasePriorityPrivilege 1940 WMIC.exe Token: SeCreatePagefilePrivilege 1940 WMIC.exe Token: SeBackupPrivilege 1940 WMIC.exe Token: SeRestorePrivilege 1940 WMIC.exe Token: SeShutdownPrivilege 1940 WMIC.exe Token: SeDebugPrivilege 1940 WMIC.exe Token: SeSystemEnvironmentPrivilege 1940 WMIC.exe Token: SeRemoteShutdownPrivilege 1940 WMIC.exe Token: SeUndockPrivilege 1940 WMIC.exe Token: SeManageVolumePrivilege 1940 WMIC.exe Token: 33 1940 WMIC.exe Token: 34 1940 WMIC.exe Token: 35 1940 WMIC.exe Token: 36 1940 WMIC.exe Token: SeBackupPrivilege 4436 wbengine.exe Token: SeRestorePrivilege 4436 wbengine.exe Token: SeSecurityPrivilege 4436 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4548 wrote to memory of 208 4548 RobloxInjector.exe 87 PID 4548 wrote to memory of 208 4548 RobloxInjector.exe 87 PID 208 wrote to memory of 4104 208 svchost.exe 88 PID 208 wrote to memory of 4104 208 svchost.exe 88 PID 4104 wrote to memory of 456 4104 cmd.exe 90 PID 4104 wrote to memory of 456 4104 cmd.exe 90 PID 4104 wrote to memory of 1940 4104 cmd.exe 93 PID 4104 wrote to memory of 1940 4104 cmd.exe 93 PID 208 wrote to memory of 1216 208 svchost.exe 95 PID 208 wrote to memory of 1216 208 svchost.exe 95 PID 1216 wrote to memory of 5116 1216 cmd.exe 97 PID 1216 wrote to memory of 5116 1216 cmd.exe 97 PID 1216 wrote to memory of 1524 1216 cmd.exe 98 PID 1216 wrote to memory of 1524 1216 cmd.exe 98 PID 208 wrote to memory of 864 208 svchost.exe 99 PID 208 wrote to memory of 864 208 svchost.exe 99 PID 864 wrote to memory of 4172 864 cmd.exe 101 PID 864 wrote to memory of 4172 864 cmd.exe 101 PID 208 wrote to memory of 3488 208 svchost.exe 106 PID 208 wrote to memory of 3488 208 svchost.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\RobloxInjector.exe"C:\Users\Admin\AppData\Local\Temp\RobloxInjector.exe"1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
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
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:456
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1940
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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:1216 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:5116
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1524
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4172
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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:3488
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1400
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4436
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4808
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1956
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
417B
MD5ffff3483cfa9b305a82202e133d0ed74
SHA11d6a3f173c96ad44b5443de4996e8a458c9dafb4
SHA2564aa3c55137275d4805553677bba11d8db42ac5bfa6caea020829cafcaf7b2764
SHA51226b4cd7bc7cb827d500f5c06a1ad441f729c20431dca42dd92477040c9565db37a8d26f06f513185b68709a62f37f760cdab5d10ed1af34af356fe7f61065934
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Filesize
1KB
MD5baf55b95da4a601229647f25dad12878
SHA1abc16954ebfd213733c4493fc1910164d825cac8
SHA256ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA51224f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545
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Filesize
27KB
MD5afc5291af9dedb512de52834bfaebdee
SHA166031dc9e1086990ae764f949874352de56cd455
SHA2563e52fd2c2ad71eb254ce2cc243edabfb2b034994a8669e1031ccabde3448ef9f
SHA5121708bbf5040da1a2426947f9a34b32e1a2a1052d46b7315c0e869c46389201d432fce0c57db55cb4a0bddd359b8edc251e59b517f8ded83ac003b198bda1ae1b
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0