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250121-rglekaxlcw 10Analysis
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max time kernel
605s -
max time network
447s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-01-2025 17:56
Behavioral task
behavioral1
Sample
2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe
Resource
win11-20241007-en
windows11-21h2-x64
22 signatures
900 seconds
General
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Target
2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe
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Size
352KB
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MD5
07244d8bbd0721454ea97e696b6e85d3
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SHA1
06bc9b13360ac74b019cab18c96cc888474afc52
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SHA256
6d4fdb81ba3d3005f83e87f1b28fd48fbfe213a6dd164b95d939b9391faff82e
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SHA512
73c5fa9ee0bf8f91daa41f15932b0138329990d192bda0b75b90bd2f70fc8aaab28f509c9562355942a0563c418c96f99c0322e149e8c9b6d8ff83f14e3a8061
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SSDEEP
6144:gV3r9iXlkEt9RGv5IKp/ntL2FJGAJRaWJ1rQPNDEDKx22LV:gglkEHshIKpvtg4AJRaWkp
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/2892-1-0x0000000000AA0000-0x0000000000ACC000-memory.dmp family_chaos behavioral1/files/0x001c00000002aa71-6.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 2032 bcdedit.exe 576 bcdedit.exe -
pid Process 1720 wbadmin.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\read_it.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 4656 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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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Documents\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\Public\Music\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\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\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\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\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\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Desktop\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\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\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\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\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\Documents\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-4018527317-446799424-2810249686-1000\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58sd26ex4.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\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 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 -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2144 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 724 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4656 svchost.exe -
Suspicious behavior: EnumeratesProcesses 37 IoCs
pid Process 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe 4656 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe Token: SeDebugPrivilege 4656 svchost.exe Token: SeBackupPrivilege 948 vssvc.exe Token: SeRestorePrivilege 948 vssvc.exe Token: SeAuditPrivilege 948 vssvc.exe Token: SeIncreaseQuotaPrivilege 3096 WMIC.exe Token: SeSecurityPrivilege 3096 WMIC.exe Token: SeTakeOwnershipPrivilege 3096 WMIC.exe Token: SeLoadDriverPrivilege 3096 WMIC.exe Token: SeSystemProfilePrivilege 3096 WMIC.exe Token: SeSystemtimePrivilege 3096 WMIC.exe Token: SeProfSingleProcessPrivilege 3096 WMIC.exe Token: SeIncBasePriorityPrivilege 3096 WMIC.exe Token: SeCreatePagefilePrivilege 3096 WMIC.exe Token: SeBackupPrivilege 3096 WMIC.exe Token: SeRestorePrivilege 3096 WMIC.exe Token: SeShutdownPrivilege 3096 WMIC.exe Token: SeDebugPrivilege 3096 WMIC.exe Token: SeSystemEnvironmentPrivilege 3096 WMIC.exe Token: SeRemoteShutdownPrivilege 3096 WMIC.exe Token: SeUndockPrivilege 3096 WMIC.exe Token: SeManageVolumePrivilege 3096 WMIC.exe Token: 33 3096 WMIC.exe Token: 34 3096 WMIC.exe Token: 35 3096 WMIC.exe Token: 36 3096 WMIC.exe Token: SeIncreaseQuotaPrivilege 3096 WMIC.exe Token: SeSecurityPrivilege 3096 WMIC.exe Token: SeTakeOwnershipPrivilege 3096 WMIC.exe Token: SeLoadDriverPrivilege 3096 WMIC.exe Token: SeSystemProfilePrivilege 3096 WMIC.exe Token: SeSystemtimePrivilege 3096 WMIC.exe Token: SeProfSingleProcessPrivilege 3096 WMIC.exe Token: SeIncBasePriorityPrivilege 3096 WMIC.exe Token: SeCreatePagefilePrivilege 3096 WMIC.exe Token: SeBackupPrivilege 3096 WMIC.exe Token: SeRestorePrivilege 3096 WMIC.exe Token: SeShutdownPrivilege 3096 WMIC.exe Token: SeDebugPrivilege 3096 WMIC.exe Token: SeSystemEnvironmentPrivilege 3096 WMIC.exe Token: SeRemoteShutdownPrivilege 3096 WMIC.exe Token: SeUndockPrivilege 3096 WMIC.exe Token: SeManageVolumePrivilege 3096 WMIC.exe Token: 33 3096 WMIC.exe Token: 34 3096 WMIC.exe Token: 35 3096 WMIC.exe Token: 36 3096 WMIC.exe Token: SeBackupPrivilege 1504 wbengine.exe Token: SeRestorePrivilege 1504 wbengine.exe Token: SeSecurityPrivilege 1504 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2892 wrote to memory of 4656 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 77 PID 2892 wrote to memory of 4656 2892 2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe 77 PID 4656 wrote to memory of 3032 4656 svchost.exe 78 PID 4656 wrote to memory of 3032 4656 svchost.exe 78 PID 3032 wrote to memory of 2144 3032 cmd.exe 80 PID 3032 wrote to memory of 2144 3032 cmd.exe 80 PID 3032 wrote to memory of 3096 3032 cmd.exe 83 PID 3032 wrote to memory of 3096 3032 cmd.exe 83 PID 4656 wrote to memory of 4732 4656 svchost.exe 85 PID 4656 wrote to memory of 4732 4656 svchost.exe 85 PID 4732 wrote to memory of 2032 4732 cmd.exe 87 PID 4732 wrote to memory of 2032 4732 cmd.exe 87 PID 4732 wrote to memory of 576 4732 cmd.exe 88 PID 4732 wrote to memory of 576 4732 cmd.exe 88 PID 4656 wrote to memory of 4508 4656 svchost.exe 89 PID 4656 wrote to memory of 4508 4656 svchost.exe 89 PID 4508 wrote to memory of 1720 4508 cmd.exe 91 PID 4508 wrote to memory of 1720 4508 cmd.exe 91 PID 4656 wrote to memory of 724 4656 svchost.exe 96 PID 4656 wrote to memory of 724 4656 svchost.exe 96 -
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\2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- 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:4656 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2144
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3096
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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:4732 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2032
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:576
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1720
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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:724
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:948
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2472
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2100
Network
MITRE ATT&CK Enterprise v15
Defense 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
352KB
MD507244d8bbd0721454ea97e696b6e85d3
SHA106bc9b13360ac74b019cab18c96cc888474afc52
SHA2566d4fdb81ba3d3005f83e87f1b28fd48fbfe213a6dd164b95d939b9391faff82e
SHA51273c5fa9ee0bf8f91daa41f15932b0138329990d192bda0b75b90bd2f70fc8aaab28f509c9562355942a0563c418c96f99c0322e149e8c9b6d8ff83f14e3a8061
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Filesize
120B
MD58a4a98a8bfe11567dd16d06ddc364346
SHA1ed94fda66affe31abe3002f8e702c3ddd5e37ba8
SHA25648236cc3c7a1316f9f61201f2937c9653b9e6c8f6b038f9a94fbe7a3a3153cd3
SHA512662ae12eee1180e34a41a4e2b018cae970fabeb446a9d8e82c692ca32d52ebadccc8a465b7dce4988af9f37d42dcfaec7b028e6a3c107b9b6cdc81e345770141