Analysis
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max time kernel
149s -
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
10-01-2025 00:45
Behavioral task
behavioral1
Sample
2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe
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Size
417KB
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MD5
e29357c31f33553f4185b4c9d13583a5
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SHA1
ede54cdb9eb140196cf35be8aa1a891f3ef009a7
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SHA256
ddbbc3f1c1a8bf36095de2ad90bd7dbf79444a108360de96fa471c4b539fc886
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SHA512
428b806e6f91b665da5b6e3d88aaacb26ebed723625eb6594719f94ccae0d0e1e6678284e5198eb31ab7b46209b494f6737b11adf3ade4cc37302ec82a5f9d94
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SSDEEP
1536:K3kITs9PYr9iSBo55LOKy9xtO/TFw4yYgPt7nHj0pNO4E0:K3kQ4Yr9iSOauw5/PtTHj0NO4l
Malware Config
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
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/2096-1-0x0000000000CA0000-0x0000000000D0E000-memory.dmp family_chaos behavioral2/files/0x0007000000023c87-6.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 4676 bcdedit.exe 3544 bcdedit.exe -
pid Process 4652 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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\read_it.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 5096 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\Pictures\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\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\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\Start Menu\Programs\Administrative Tools\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\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\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\Windows\Start Menu\Programs\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\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\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\Accessories\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\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\Libraries\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\Maintenance\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\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\\4ijnl6dx7.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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2184 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 2772 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5096 svchost.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe 5096 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe Token: SeDebugPrivilege 5096 svchost.exe Token: SeBackupPrivilege 3152 vssvc.exe Token: SeRestorePrivilege 3152 vssvc.exe Token: SeAuditPrivilege 3152 vssvc.exe Token: SeIncreaseQuotaPrivilege 636 WMIC.exe Token: SeSecurityPrivilege 636 WMIC.exe Token: SeTakeOwnershipPrivilege 636 WMIC.exe Token: SeLoadDriverPrivilege 636 WMIC.exe Token: SeSystemProfilePrivilege 636 WMIC.exe Token: SeSystemtimePrivilege 636 WMIC.exe Token: SeProfSingleProcessPrivilege 636 WMIC.exe Token: SeIncBasePriorityPrivilege 636 WMIC.exe Token: SeCreatePagefilePrivilege 636 WMIC.exe Token: SeBackupPrivilege 636 WMIC.exe Token: SeRestorePrivilege 636 WMIC.exe Token: SeShutdownPrivilege 636 WMIC.exe Token: SeDebugPrivilege 636 WMIC.exe Token: SeSystemEnvironmentPrivilege 636 WMIC.exe Token: SeRemoteShutdownPrivilege 636 WMIC.exe Token: SeUndockPrivilege 636 WMIC.exe Token: SeManageVolumePrivilege 636 WMIC.exe Token: 33 636 WMIC.exe Token: 34 636 WMIC.exe Token: 35 636 WMIC.exe Token: 36 636 WMIC.exe Token: SeIncreaseQuotaPrivilege 636 WMIC.exe Token: SeSecurityPrivilege 636 WMIC.exe Token: SeTakeOwnershipPrivilege 636 WMIC.exe Token: SeLoadDriverPrivilege 636 WMIC.exe Token: SeSystemProfilePrivilege 636 WMIC.exe Token: SeSystemtimePrivilege 636 WMIC.exe Token: SeProfSingleProcessPrivilege 636 WMIC.exe Token: SeIncBasePriorityPrivilege 636 WMIC.exe Token: SeCreatePagefilePrivilege 636 WMIC.exe Token: SeBackupPrivilege 636 WMIC.exe Token: SeRestorePrivilege 636 WMIC.exe Token: SeShutdownPrivilege 636 WMIC.exe Token: SeDebugPrivilege 636 WMIC.exe Token: SeSystemEnvironmentPrivilege 636 WMIC.exe Token: SeRemoteShutdownPrivilege 636 WMIC.exe Token: SeUndockPrivilege 636 WMIC.exe Token: SeManageVolumePrivilege 636 WMIC.exe Token: 33 636 WMIC.exe Token: 34 636 WMIC.exe Token: 35 636 WMIC.exe Token: 36 636 WMIC.exe Token: SeBackupPrivilege 2684 wbengine.exe Token: SeRestorePrivilege 2684 wbengine.exe Token: SeSecurityPrivilege 2684 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2096 wrote to memory of 5096 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 84 PID 2096 wrote to memory of 5096 2096 2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe 84 PID 5096 wrote to memory of 4436 5096 svchost.exe 85 PID 5096 wrote to memory of 4436 5096 svchost.exe 85 PID 4436 wrote to memory of 2184 4436 cmd.exe 87 PID 4436 wrote to memory of 2184 4436 cmd.exe 87 PID 4436 wrote to memory of 636 4436 cmd.exe 91 PID 4436 wrote to memory of 636 4436 cmd.exe 91 PID 5096 wrote to memory of 1396 5096 svchost.exe 94 PID 5096 wrote to memory of 1396 5096 svchost.exe 94 PID 1396 wrote to memory of 4676 1396 cmd.exe 96 PID 1396 wrote to memory of 4676 1396 cmd.exe 96 PID 1396 wrote to memory of 3544 1396 cmd.exe 97 PID 1396 wrote to memory of 3544 1396 cmd.exe 97 PID 5096 wrote to memory of 2156 5096 svchost.exe 98 PID 5096 wrote to memory of 2156 5096 svchost.exe 98 PID 2156 wrote to memory of 4652 2156 cmd.exe 100 PID 2156 wrote to memory of 4652 2156 cmd.exe 100 PID 5096 wrote to memory of 2772 5096 svchost.exe 106 PID 5096 wrote to memory of 2772 5096 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\2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-10_e29357c31f33553f4185b4c9d13583a5_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096 -
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:5096 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2184
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:636
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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:1396 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4676
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:3544
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4652
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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:2772
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3152
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2276
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3756
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
417KB
MD5e29357c31f33553f4185b4c9d13583a5
SHA1ede54cdb9eb140196cf35be8aa1a891f3ef009a7
SHA256ddbbc3f1c1a8bf36095de2ad90bd7dbf79444a108360de96fa471c4b539fc886
SHA512428b806e6f91b665da5b6e3d88aaacb26ebed723625eb6594719f94ccae0d0e1e6678284e5198eb31ab7b46209b494f6737b11adf3ade4cc37302ec82a5f9d94
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Filesize
956B
MD5d79409f7d82e2cff795b38a6a9414f95
SHA11a60743bf8bdeb63ef5715e52ef938301245c7a2
SHA256bc1fe559fdf8cf86c9763c6bd6f9a09d3915f4b3345cb2f8a2641af3c3d66d22
SHA512922f0b4e10ef2b906b3022ddc6408bd9f47863aad79281be9774e9089e34b8f92fc77239b7251d0ed5e6dd059a315e6f1e48330ae71fb13d3c79e3750834249a