Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
24/03/2025, 10:03
Behavioral task
behavioral1
Sample
2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe
Resource
win10v2004-20250314-en
General
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Target
2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe
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Size
927KB
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MD5
04ce8e7391c4af9e1d6182dbac561586
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SHA1
74abf8118e9d1b817bfa968cece11c35256d632e
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SHA256
718c56527df3690bdf0bd39455af6674d49fd3f8a4a7ae3b0adcb9e6491cfa44
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SHA512
a4395f7a0345d154393cc093320922be4978366d71bff40f0c642d5f28ff339bea550bd153e10420f6dd9880632800e42e5e2add6b4c59fc212b7e03f3c5d432
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SSDEEP
12288:I7vCnUpxMUUyNdg8tss7X6Ju4O20tHsIFpfpI09yVoHyIa60b8clZmoojaUEAojz:I7Y0/jQuoh7Pw2
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
resource yara_rule behavioral1/memory/1656-1-0x0000000001110000-0x00000000011FE000-memory.dmp family_chaos behavioral1/files/0x00080000000120fd-6.dat family_chaos behavioral1/memory/2064-7-0x0000000000EE0000-0x0000000000FCE000-memory.dmp 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 2308 bcdedit.exe 1788 bcdedit.exe -
pid Process 2480 wbadmin.exe -
Drops startup file 3 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\note.txt svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2064 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\AppData\Roaming\Microsoft\Windows\SendTo\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\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Windows\Recent\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\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\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\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Pictures\Sample Pictures\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\Programs\Accessories\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\Favorites\Links for United States\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\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5jaqze3qy.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3060 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2496 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2064 svchost.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 2064 svchost.exe 2064 svchost.exe 2064 svchost.exe 2064 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe Token: SeDebugPrivilege 2064 svchost.exe Token: SeBackupPrivilege 1260 vssvc.exe Token: SeRestorePrivilege 1260 vssvc.exe Token: SeAuditPrivilege 1260 vssvc.exe Token: SeIncreaseQuotaPrivilege 2244 WMIC.exe Token: SeSecurityPrivilege 2244 WMIC.exe Token: SeTakeOwnershipPrivilege 2244 WMIC.exe Token: SeLoadDriverPrivilege 2244 WMIC.exe Token: SeSystemProfilePrivilege 2244 WMIC.exe Token: SeSystemtimePrivilege 2244 WMIC.exe Token: SeProfSingleProcessPrivilege 2244 WMIC.exe Token: SeIncBasePriorityPrivilege 2244 WMIC.exe Token: SeCreatePagefilePrivilege 2244 WMIC.exe Token: SeBackupPrivilege 2244 WMIC.exe Token: SeRestorePrivilege 2244 WMIC.exe Token: SeShutdownPrivilege 2244 WMIC.exe Token: SeDebugPrivilege 2244 WMIC.exe Token: SeSystemEnvironmentPrivilege 2244 WMIC.exe Token: SeRemoteShutdownPrivilege 2244 WMIC.exe Token: SeUndockPrivilege 2244 WMIC.exe Token: SeManageVolumePrivilege 2244 WMIC.exe Token: 33 2244 WMIC.exe Token: 34 2244 WMIC.exe Token: 35 2244 WMIC.exe Token: SeIncreaseQuotaPrivilege 2244 WMIC.exe Token: SeSecurityPrivilege 2244 WMIC.exe Token: SeTakeOwnershipPrivilege 2244 WMIC.exe Token: SeLoadDriverPrivilege 2244 WMIC.exe Token: SeSystemProfilePrivilege 2244 WMIC.exe Token: SeSystemtimePrivilege 2244 WMIC.exe Token: SeProfSingleProcessPrivilege 2244 WMIC.exe Token: SeIncBasePriorityPrivilege 2244 WMIC.exe Token: SeCreatePagefilePrivilege 2244 WMIC.exe Token: SeBackupPrivilege 2244 WMIC.exe Token: SeRestorePrivilege 2244 WMIC.exe Token: SeShutdownPrivilege 2244 WMIC.exe Token: SeDebugPrivilege 2244 WMIC.exe Token: SeSystemEnvironmentPrivilege 2244 WMIC.exe Token: SeRemoteShutdownPrivilege 2244 WMIC.exe Token: SeUndockPrivilege 2244 WMIC.exe Token: SeManageVolumePrivilege 2244 WMIC.exe Token: 33 2244 WMIC.exe Token: 34 2244 WMIC.exe Token: 35 2244 WMIC.exe Token: SeBackupPrivilege 2076 wbengine.exe Token: SeRestorePrivilege 2076 wbengine.exe Token: SeSecurityPrivilege 2076 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1656 wrote to memory of 2064 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 30 PID 1656 wrote to memory of 2064 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 30 PID 1656 wrote to memory of 2064 1656 2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe 30 PID 2064 wrote to memory of 3044 2064 svchost.exe 31 PID 2064 wrote to memory of 3044 2064 svchost.exe 31 PID 2064 wrote to memory of 3044 2064 svchost.exe 31 PID 3044 wrote to memory of 3060 3044 cmd.exe 33 PID 3044 wrote to memory of 3060 3044 cmd.exe 33 PID 3044 wrote to memory of 3060 3044 cmd.exe 33 PID 3044 wrote to memory of 2244 3044 cmd.exe 37 PID 3044 wrote to memory of 2244 3044 cmd.exe 37 PID 3044 wrote to memory of 2244 3044 cmd.exe 37 PID 2064 wrote to memory of 1192 2064 svchost.exe 39 PID 2064 wrote to memory of 1192 2064 svchost.exe 39 PID 2064 wrote to memory of 1192 2064 svchost.exe 39 PID 1192 wrote to memory of 1788 1192 cmd.exe 41 PID 1192 wrote to memory of 1788 1192 cmd.exe 41 PID 1192 wrote to memory of 1788 1192 cmd.exe 41 PID 1192 wrote to memory of 2308 1192 cmd.exe 42 PID 1192 wrote to memory of 2308 1192 cmd.exe 42 PID 1192 wrote to memory of 2308 1192 cmd.exe 42 PID 2064 wrote to memory of 2444 2064 svchost.exe 43 PID 2064 wrote to memory of 2444 2064 svchost.exe 43 PID 2064 wrote to memory of 2444 2064 svchost.exe 43 PID 2444 wrote to memory of 2480 2444 cmd.exe 45 PID 2444 wrote to memory of 2480 2444 cmd.exe 45 PID 2444 wrote to memory of 2480 2444 cmd.exe 45 PID 2064 wrote to memory of 2496 2064 svchost.exe 49 PID 2064 wrote to memory of 2496 2064 svchost.exe 49 PID 2064 wrote to memory of 2496 2064 svchost.exe 49 -
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\2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-24_04ce8e7391c4af9e1d6182dbac561586_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
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
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3060
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2244
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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:1192 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1788
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2308
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2480
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\note.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2496
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1260
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2248
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
927KB
MD504ce8e7391c4af9e1d6182dbac561586
SHA174abf8118e9d1b817bfa968cece11c35256d632e
SHA256718c56527df3690bdf0bd39455af6674d49fd3f8a4a7ae3b0adcb9e6491cfa44
SHA512a4395f7a0345d154393cc093320922be4978366d71bff40f0c642d5f28ff339bea550bd153e10420f6dd9880632800e42e5e2add6b4c59fc212b7e03f3c5d432
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Filesize
46B
MD5ab44624d3e7b8c8d02b4928a625300fb
SHA127ff81a1a0b9479ff6c10613108a62d4311e8aac
SHA2563350c7d6b56d8451b0729c2e5fe2a0a0ff44ac3697cf32cdf8090cff5b2355ef
SHA51246c9fc8a09c6238b739c5c9697d548d15c89b2e9152973a155ba6a777de9b662d6e92bdba50a06b4a3668e69d8948b2f156537e31cd1cdd3374a55de4e2d06e7