Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
24/03/2025, 00:47
Behavioral task
behavioral1
Sample
2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe
Resource
win10v2004-20250314-en
General
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Target
2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe
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Size
24KB
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MD5
83ad00f11e3ec33a16371426f6485d62
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SHA1
6cf9f5f464ed38f550ac4944445563afe1d51636
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SHA256
65b9468aa3242eea98820272bb2efd5ab311d3dfad8302d8af14a3431180bb9e
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SHA512
e2d8900e545b569272e30fb7e4c3da1d0ca1e9832326f26df2c2cd449a72bbb90a7d11ce80045fb3e097b173db7cc7cc7dfbb71b2b3ef2ccd66cc61618e013b0
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SSDEEP
384:Gh3MLWHn3kIQfg4ZJvktIJp+dhT+Jwr91Cz3WK+N05zgx+eh:un3kIX4ZRp+jmwr9i8m5gAeh
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/2128-1-0x0000000000100000-0x000000000010C000-memory.dmp family_chaos behavioral1/files/0x0011000000011c2c-5.dat family_chaos behavioral1/memory/3064-7-0x0000000000AC0000-0x0000000000ACC000-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 2452 bcdedit.exe 2284 bcdedit.exe -
pid Process 2336 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\read_it.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 3064 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\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\Libraries\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\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\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\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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 for United States\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\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\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\SendTo\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\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\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\Public\Music\Sample Music\desktop.ini 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 2864 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1728 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3064 svchost.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe 3064 svchost.exe 3064 svchost.exe 3064 svchost.exe 3064 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe Token: SeDebugPrivilege 3064 svchost.exe Token: SeBackupPrivilege 2780 vssvc.exe Token: SeRestorePrivilege 2780 vssvc.exe Token: SeAuditPrivilege 2780 vssvc.exe Token: SeIncreaseQuotaPrivilege 2420 WMIC.exe Token: SeSecurityPrivilege 2420 WMIC.exe Token: SeTakeOwnershipPrivilege 2420 WMIC.exe Token: SeLoadDriverPrivilege 2420 WMIC.exe Token: SeSystemProfilePrivilege 2420 WMIC.exe Token: SeSystemtimePrivilege 2420 WMIC.exe Token: SeProfSingleProcessPrivilege 2420 WMIC.exe Token: SeIncBasePriorityPrivilege 2420 WMIC.exe Token: SeCreatePagefilePrivilege 2420 WMIC.exe Token: SeBackupPrivilege 2420 WMIC.exe Token: SeRestorePrivilege 2420 WMIC.exe Token: SeShutdownPrivilege 2420 WMIC.exe Token: SeDebugPrivilege 2420 WMIC.exe Token: SeSystemEnvironmentPrivilege 2420 WMIC.exe Token: SeRemoteShutdownPrivilege 2420 WMIC.exe Token: SeUndockPrivilege 2420 WMIC.exe Token: SeManageVolumePrivilege 2420 WMIC.exe Token: 33 2420 WMIC.exe Token: 34 2420 WMIC.exe Token: 35 2420 WMIC.exe Token: SeIncreaseQuotaPrivilege 2420 WMIC.exe Token: SeSecurityPrivilege 2420 WMIC.exe Token: SeTakeOwnershipPrivilege 2420 WMIC.exe Token: SeLoadDriverPrivilege 2420 WMIC.exe Token: SeSystemProfilePrivilege 2420 WMIC.exe Token: SeSystemtimePrivilege 2420 WMIC.exe Token: SeProfSingleProcessPrivilege 2420 WMIC.exe Token: SeIncBasePriorityPrivilege 2420 WMIC.exe Token: SeCreatePagefilePrivilege 2420 WMIC.exe Token: SeBackupPrivilege 2420 WMIC.exe Token: SeRestorePrivilege 2420 WMIC.exe Token: SeShutdownPrivilege 2420 WMIC.exe Token: SeDebugPrivilege 2420 WMIC.exe Token: SeSystemEnvironmentPrivilege 2420 WMIC.exe Token: SeRemoteShutdownPrivilege 2420 WMIC.exe Token: SeUndockPrivilege 2420 WMIC.exe Token: SeManageVolumePrivilege 2420 WMIC.exe Token: 33 2420 WMIC.exe Token: 34 2420 WMIC.exe Token: 35 2420 WMIC.exe Token: SeBackupPrivilege 2020 wbengine.exe Token: SeRestorePrivilege 2020 wbengine.exe Token: SeSecurityPrivilege 2020 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2128 wrote to memory of 3064 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe 30 PID 2128 wrote to memory of 3064 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe 30 PID 2128 wrote to memory of 3064 2128 2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe 30 PID 3064 wrote to memory of 2692 3064 svchost.exe 31 PID 3064 wrote to memory of 2692 3064 svchost.exe 31 PID 3064 wrote to memory of 2692 3064 svchost.exe 31 PID 2692 wrote to memory of 2864 2692 cmd.exe 33 PID 2692 wrote to memory of 2864 2692 cmd.exe 33 PID 2692 wrote to memory of 2864 2692 cmd.exe 33 PID 2692 wrote to memory of 2420 2692 cmd.exe 37 PID 2692 wrote to memory of 2420 2692 cmd.exe 37 PID 2692 wrote to memory of 2420 2692 cmd.exe 37 PID 3064 wrote to memory of 1828 3064 svchost.exe 39 PID 3064 wrote to memory of 1828 3064 svchost.exe 39 PID 3064 wrote to memory of 1828 3064 svchost.exe 39 PID 1828 wrote to memory of 2452 1828 cmd.exe 41 PID 1828 wrote to memory of 2452 1828 cmd.exe 41 PID 1828 wrote to memory of 2452 1828 cmd.exe 41 PID 1828 wrote to memory of 2284 1828 cmd.exe 42 PID 1828 wrote to memory of 2284 1828 cmd.exe 42 PID 1828 wrote to memory of 2284 1828 cmd.exe 42 PID 3064 wrote to memory of 1256 3064 svchost.exe 43 PID 3064 wrote to memory of 1256 3064 svchost.exe 43 PID 3064 wrote to memory of 1256 3064 svchost.exe 43 PID 1256 wrote to memory of 2336 1256 cmd.exe 45 PID 1256 wrote to memory of 2336 1256 cmd.exe 45 PID 1256 wrote to memory of 2336 1256 cmd.exe 45 PID 3064 wrote to memory of 1728 3064 svchost.exe 49 PID 3064 wrote to memory of 1728 3064 svchost.exe 49 PID 3064 wrote to memory of 1728 3064 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_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-24_83ad00f11e3ec33a16371426f6485d62_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128 -
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)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2864
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2420
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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:1828 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2452
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2284
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2336
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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:1728
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2780
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2020
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1272
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1924
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
24KB
MD583ad00f11e3ec33a16371426f6485d62
SHA16cf9f5f464ed38f550ac4944445563afe1d51636
SHA25665b9468aa3242eea98820272bb2efd5ab311d3dfad8302d8af14a3431180bb9e
SHA512e2d8900e545b569272e30fb7e4c3da1d0ca1e9832326f26df2c2cd449a72bbb90a7d11ce80045fb3e097b173db7cc7cc7dfbb71b2b3ef2ccd66cc61618e013b0
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Filesize
1KB
MD5015a5675551a6ef89af7206a38215620
SHA1f330ed135307f3bb346cbf543a3dc0b6a69d7948
SHA2566ccf8e63e5969ea0ecdb1fe6e9e53e183decefc022a772c1b0c7c9263976e567
SHA512fbd26ef8a02a378769dac5675ec26a6dc6cb79e4d7cde65d1032d2ceaa92b88f308fe276d35c20a07cb3e4ec7d3896dc671e84839e4876f26a83699d692573e9