Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-01-2025 00:38
Behavioral task
behavioral1
Sample
11212111.exe
Resource
win7-20240903-en
windows7-x64
29 signatures
150 seconds
Behavioral task
behavioral2
Sample
11212111.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
26 signatures
150 seconds
General
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Target
11212111.exe
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Size
55KB
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MD5
bccffd58776272eab71ecd9dde5a1735
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SHA1
d263ff45831ed75ac2eab51dfa543beadde51149
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SHA256
1c6906f13a8f27d246689f648f9928afda7848f7176aa9845ab926647dfba486
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SHA512
5c8bb405986fe1470df3d093629eba296db4ce7c802c32660fd7e7076935b2708ff0a656bc52f298de491b2caa633364c0470835fbb426fdbd1d95f4ecc61860
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SSDEEP
1536:GNy0COWkCq9IcHX/NYMGvZFA3FD0TS/+:z03Cq9IcHFYDFAWuW
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/396-1-0x0000000000A10000-0x0000000000A24000-memory.dmp family_chaos behavioral2/files/0x000b000000023b61-7.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 4056 bcdedit.exe 2724 bcdedit.exe -
Renames multiple (168) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 4144 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 11212111.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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 4752 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-1-5-21-1045960512-3948844814-3059691613-1000\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Searches\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\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\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\All Users\Microsoft\Windows\Start Menu\Programs\StartUp\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\Default\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\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\Documents\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\Admin\Music\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\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 F:\$RECYCLE.BIN\S-1-5-21-1045960512-3948844814-3059691613-1000\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\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini svchost.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\3D Objects\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\Default\AppData\Local\Microsoft\Windows\WinX\Group3\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\Public\Documents\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\System Tools\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\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\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\Public\Downloads\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\Desktop\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\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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\SendTo\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\Accessories\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\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\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\l7vefp95f.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_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 948 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4892 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 396 11212111.exe 4752 svchost.exe -
Suspicious behavior: EnumeratesProcesses 52 IoCs
pid Process 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 396 11212111.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe 4752 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 396 11212111.exe Token: SeDebugPrivilege 4752 svchost.exe Token: SeBackupPrivilege 640 vssvc.exe Token: SeRestorePrivilege 640 vssvc.exe Token: SeAuditPrivilege 640 vssvc.exe Token: SeIncreaseQuotaPrivilege 848 WMIC.exe Token: SeSecurityPrivilege 848 WMIC.exe Token: SeTakeOwnershipPrivilege 848 WMIC.exe Token: SeLoadDriverPrivilege 848 WMIC.exe Token: SeSystemProfilePrivilege 848 WMIC.exe Token: SeSystemtimePrivilege 848 WMIC.exe Token: SeProfSingleProcessPrivilege 848 WMIC.exe Token: SeIncBasePriorityPrivilege 848 WMIC.exe Token: SeCreatePagefilePrivilege 848 WMIC.exe Token: SeBackupPrivilege 848 WMIC.exe Token: SeRestorePrivilege 848 WMIC.exe Token: SeShutdownPrivilege 848 WMIC.exe Token: SeDebugPrivilege 848 WMIC.exe Token: SeSystemEnvironmentPrivilege 848 WMIC.exe Token: SeRemoteShutdownPrivilege 848 WMIC.exe Token: SeUndockPrivilege 848 WMIC.exe Token: SeManageVolumePrivilege 848 WMIC.exe Token: 33 848 WMIC.exe Token: 34 848 WMIC.exe Token: 35 848 WMIC.exe Token: 36 848 WMIC.exe Token: SeIncreaseQuotaPrivilege 848 WMIC.exe Token: SeSecurityPrivilege 848 WMIC.exe Token: SeTakeOwnershipPrivilege 848 WMIC.exe Token: SeLoadDriverPrivilege 848 WMIC.exe Token: SeSystemProfilePrivilege 848 WMIC.exe Token: SeSystemtimePrivilege 848 WMIC.exe Token: SeProfSingleProcessPrivilege 848 WMIC.exe Token: SeIncBasePriorityPrivilege 848 WMIC.exe Token: SeCreatePagefilePrivilege 848 WMIC.exe Token: SeBackupPrivilege 848 WMIC.exe Token: SeRestorePrivilege 848 WMIC.exe Token: SeShutdownPrivilege 848 WMIC.exe Token: SeDebugPrivilege 848 WMIC.exe Token: SeSystemEnvironmentPrivilege 848 WMIC.exe Token: SeRemoteShutdownPrivilege 848 WMIC.exe Token: SeUndockPrivilege 848 WMIC.exe Token: SeManageVolumePrivilege 848 WMIC.exe Token: 33 848 WMIC.exe Token: 34 848 WMIC.exe Token: 35 848 WMIC.exe Token: 36 848 WMIC.exe Token: SeBackupPrivilege 1456 wbengine.exe Token: SeRestorePrivilege 1456 wbengine.exe Token: SeSecurityPrivilege 1456 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 396 wrote to memory of 4752 396 11212111.exe 83 PID 396 wrote to memory of 4752 396 11212111.exe 83 PID 4752 wrote to memory of 1840 4752 svchost.exe 85 PID 4752 wrote to memory of 1840 4752 svchost.exe 85 PID 1840 wrote to memory of 948 1840 cmd.exe 87 PID 1840 wrote to memory of 948 1840 cmd.exe 87 PID 1840 wrote to memory of 848 1840 cmd.exe 91 PID 1840 wrote to memory of 848 1840 cmd.exe 91 PID 4752 wrote to memory of 1196 4752 svchost.exe 94 PID 4752 wrote to memory of 1196 4752 svchost.exe 94 PID 1196 wrote to memory of 4056 1196 cmd.exe 96 PID 1196 wrote to memory of 4056 1196 cmd.exe 96 PID 1196 wrote to memory of 2724 1196 cmd.exe 97 PID 1196 wrote to memory of 2724 1196 cmd.exe 97 PID 4752 wrote to memory of 5044 4752 svchost.exe 98 PID 4752 wrote to memory of 5044 4752 svchost.exe 98 PID 5044 wrote to memory of 4144 5044 cmd.exe 100 PID 5044 wrote to memory of 4144 5044 cmd.exe 100 PID 4752 wrote to memory of 4892 4752 svchost.exe 106 PID 4752 wrote to memory of 4892 4752 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\11212111.exe"C:\Users\Admin\AppData\Local\Temp\11212111.exe"1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396 -
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)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:948
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:848
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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:1196 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4056
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2724
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4144
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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:4892
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:640
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1456
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1704
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1448
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
2Credential 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
1KB
MD5baf55b95da4a601229647f25dad12878
SHA1abc16954ebfd213733c4493fc1910164d825cac8
SHA256ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA51224f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545
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Filesize
808B
MD5296cbb8dc865eb8069942f90acd4c570
SHA18212d84e630a03ed1533526b8a2f146a3b0f6644
SHA2565facad0ccca6e4bed131defc487ff17f53ba6f1194e71373dee8188413bc0830
SHA512980c7bff2333c500d2bafd0d46b6416aa2611252bae3f5eb54b60eb204ed77c2be6907e437e72b7e204df116da22a5c2103de1e9865391946b3cfdd519b644c6
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Filesize
55KB
MD5bccffd58776272eab71ecd9dde5a1735
SHA1d263ff45831ed75ac2eab51dfa543beadde51149
SHA2561c6906f13a8f27d246689f648f9928afda7848f7176aa9845ab926647dfba486
SHA5125c8bb405986fe1470df3d093629eba296db4ce7c802c32660fd7e7076935b2708ff0a656bc52f298de491b2caa633364c0470835fbb426fdbd1d95f4ecc61860
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0