Analysis
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max time kernel
94s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 09:34
Behavioral task
behavioral1
Sample
2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe
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Size
232KB
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MD5
52285212e0d83a23f0bc321e9553ddf2
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SHA1
d7b61c3c7e5b7f148029b1ce75e2eb4f01125e44
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SHA256
d047a3d556af2717969da799b991f255b7a282b4a0c7d4df30adf34a4cadc37a
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SHA512
d171a821e9fe042a36d07fee47ffb575d88c0a4d44baee39c59d6e18371275598b4b5fb2195899878e9dc8975355e687b47d82f2237c1d2b14b781ad67adf86b
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SSDEEP
3072:PoxUHr9UA6iSob4L1bbc+fG1Q0WE1T0QgsC759L0TQQun43Nf:fr9UA6iS7LRVGqIT0XR75903Nf
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3280-1-0x0000000000950000-0x0000000000990000-memory.dmp family_chaos C:\Users\Admin\AppData\Roaming\svchost.exe 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
Processes:
bcdedit.exebcdedit.exepid process 4800 bcdedit.exe 1212 bcdedit.exe -
Processes:
wbadmin.exepid process 2584 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
svchost.exe2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation svchost.exe Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe -
Drops startup file 3 IoCs
Processes:
svchost.exedescription 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
Processes:
svchost.exepid process 1700 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
Processes:
svchost.exedescription ioc process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\Recent\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\Desktop\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\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\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\Start Menu\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\Start Menu\Programs\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\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\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\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\Videos\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\Pictures\Saved Pictures\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\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ip1rzy097.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.
Processes:
vds.exedescription 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.
Processes:
vssadmin.exepid process 3324 vssadmin.exe -
Modifies registry class 1 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 2464 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
svchost.exepid process 1700 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
Processes:
2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exesvchost.exepid process 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe 1700 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
Processes:
2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exesvchost.exevssvc.exeWMIC.exewbengine.exedescription pid process Token: SeDebugPrivilege 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe Token: SeDebugPrivilege 1700 svchost.exe Token: SeBackupPrivilege 1176 vssvc.exe Token: SeRestorePrivilege 1176 vssvc.exe Token: SeAuditPrivilege 1176 vssvc.exe Token: SeIncreaseQuotaPrivilege 1520 WMIC.exe Token: SeSecurityPrivilege 1520 WMIC.exe Token: SeTakeOwnershipPrivilege 1520 WMIC.exe Token: SeLoadDriverPrivilege 1520 WMIC.exe Token: SeSystemProfilePrivilege 1520 WMIC.exe Token: SeSystemtimePrivilege 1520 WMIC.exe Token: SeProfSingleProcessPrivilege 1520 WMIC.exe Token: SeIncBasePriorityPrivilege 1520 WMIC.exe Token: SeCreatePagefilePrivilege 1520 WMIC.exe Token: SeBackupPrivilege 1520 WMIC.exe Token: SeRestorePrivilege 1520 WMIC.exe Token: SeShutdownPrivilege 1520 WMIC.exe Token: SeDebugPrivilege 1520 WMIC.exe Token: SeSystemEnvironmentPrivilege 1520 WMIC.exe Token: SeRemoteShutdownPrivilege 1520 WMIC.exe Token: SeUndockPrivilege 1520 WMIC.exe Token: SeManageVolumePrivilege 1520 WMIC.exe Token: 33 1520 WMIC.exe Token: 34 1520 WMIC.exe Token: 35 1520 WMIC.exe Token: 36 1520 WMIC.exe Token: SeIncreaseQuotaPrivilege 1520 WMIC.exe Token: SeSecurityPrivilege 1520 WMIC.exe Token: SeTakeOwnershipPrivilege 1520 WMIC.exe Token: SeLoadDriverPrivilege 1520 WMIC.exe Token: SeSystemProfilePrivilege 1520 WMIC.exe Token: SeSystemtimePrivilege 1520 WMIC.exe Token: SeProfSingleProcessPrivilege 1520 WMIC.exe Token: SeIncBasePriorityPrivilege 1520 WMIC.exe Token: SeCreatePagefilePrivilege 1520 WMIC.exe Token: SeBackupPrivilege 1520 WMIC.exe Token: SeRestorePrivilege 1520 WMIC.exe Token: SeShutdownPrivilege 1520 WMIC.exe Token: SeDebugPrivilege 1520 WMIC.exe Token: SeSystemEnvironmentPrivilege 1520 WMIC.exe Token: SeRemoteShutdownPrivilege 1520 WMIC.exe Token: SeUndockPrivilege 1520 WMIC.exe Token: SeManageVolumePrivilege 1520 WMIC.exe Token: 33 1520 WMIC.exe Token: 34 1520 WMIC.exe Token: 35 1520 WMIC.exe Token: 36 1520 WMIC.exe Token: SeBackupPrivilege 3524 wbengine.exe Token: SeRestorePrivilege 3524 wbengine.exe Token: SeSecurityPrivilege 3524 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exesvchost.execmd.execmd.execmd.exedescription pid process target process PID 3280 wrote to memory of 1700 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe svchost.exe PID 3280 wrote to memory of 1700 3280 2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe svchost.exe PID 1700 wrote to memory of 1932 1700 svchost.exe cmd.exe PID 1700 wrote to memory of 1932 1700 svchost.exe cmd.exe PID 1932 wrote to memory of 3324 1932 cmd.exe vssadmin.exe PID 1932 wrote to memory of 3324 1932 cmd.exe vssadmin.exe PID 1932 wrote to memory of 1520 1932 cmd.exe WMIC.exe PID 1932 wrote to memory of 1520 1932 cmd.exe WMIC.exe PID 1700 wrote to memory of 1616 1700 svchost.exe cmd.exe PID 1700 wrote to memory of 1616 1700 svchost.exe cmd.exe PID 1616 wrote to memory of 4800 1616 cmd.exe bcdedit.exe PID 1616 wrote to memory of 4800 1616 cmd.exe bcdedit.exe PID 1616 wrote to memory of 1212 1616 cmd.exe bcdedit.exe PID 1616 wrote to memory of 1212 1616 cmd.exe bcdedit.exe PID 1700 wrote to memory of 4884 1700 svchost.exe cmd.exe PID 1700 wrote to memory of 4884 1700 svchost.exe cmd.exe PID 4884 wrote to memory of 2584 4884 cmd.exe wbadmin.exe PID 4884 wrote to memory of 2584 4884 cmd.exe wbadmin.exe PID 1700 wrote to memory of 2464 1700 svchost.exe NOTEPAD.EXE PID 1700 wrote to memory of 2464 1700 svchost.exe NOTEPAD.EXE -
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\2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-02_52285212e0d83a23f0bc321e9553ddf2_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3280 -
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:1700 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3324 -
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1520 -
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:1616 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4800 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1212 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2584 -
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:2464
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1176
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3036
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3780
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
232KB
MD552285212e0d83a23f0bc321e9553ddf2
SHA1d7b61c3c7e5b7f148029b1ce75e2eb4f01125e44
SHA256d047a3d556af2717969da799b991f255b7a282b4a0c7d4df30adf34a4cadc37a
SHA512d171a821e9fe042a36d07fee47ffb575d88c0a4d44baee39c59d6e18371275598b4b5fb2195899878e9dc8975355e687b47d82f2237c1d2b14b781ad67adf86b
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Filesize
60B
MD54d40f632748d11307b30b0599dbc156f
SHA18111b6566282c3f409e45542702fbd5725037a01
SHA25687e8f9aff80e5f5d886118a79cd793af9b7875206dc2f99e1f6811037fe258e6
SHA51246d53bc149807fd8a63f1a2fd6e8377f2079bbafe9fb244e635d9902975b77b07871354b6fb19f2187c0549cfcd0f030b053612b8231ebf4a65bd86bae747f37