Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26-08-2024 00:27
Behavioral task
behavioral1
Sample
2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe
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Size
34KB
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MD5
25ae98061f688851988d933b5b04af6f
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SHA1
5f8586f193d008b6113a6666f200eaa5f551e2d0
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SHA256
f9331f11afb16227547bc16337278658302e5f49163de4e487b439d2f10ec8b7
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SHA512
0b9a02bc247d1bc423abf23626338a9c97411df4f6c6c8b5916de66aedd9222c7cd21a7825627029ccdd26d2ec1389118ca36e6a0abc2f96c1ae1d442867c31a
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SSDEEP
384:cYe3zLP1G9rPOr15YoTABmCKCOVp91iGO6bBV6pb8/NPzYQSdYNvD/aAtUz3OW03:G+ra1yCEc9OoCS8IbuxD5
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\read_it.txt
chaos
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/2504-1-0x00000000002C0000-0x00000000002D2000-memory.dmp family_chaos behavioral1/files/0x00080000000120f4-5.dat family_chaos behavioral1/memory/2288-7-0x00000000000E0000-0x00000000000F2000-memory.dmp 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
pid Process 1976 bcdedit.exe 2832 bcdedit.exe -
pid Process 1452 wbadmin.exe -
Disables Task Manager via registry modification
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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 2288 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\V8SGIH7I\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\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\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\ZO1X14N3\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\OW9ZQM06\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2958949473-3205530200-1453100116-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\C906A748\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\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\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\N7ZQRMOO\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\AppData\Local\Microsoft\Windows\Temporary Internet Files\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\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\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\Pictures\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\MN6S8FGK\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\Downloads\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\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0JY8H21Z\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M720ATCO\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\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\Maintenance\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\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\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 2756 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2984 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2288 svchost.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe 2288 svchost.exe 2288 svchost.exe 2288 svchost.exe 2288 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe Token: SeDebugPrivilege 2288 svchost.exe Token: SeBackupPrivilege 2820 vssvc.exe Token: SeRestorePrivilege 2820 vssvc.exe Token: SeAuditPrivilege 2820 vssvc.exe Token: SeIncreaseQuotaPrivilege 2776 WMIC.exe Token: SeSecurityPrivilege 2776 WMIC.exe Token: SeTakeOwnershipPrivilege 2776 WMIC.exe Token: SeLoadDriverPrivilege 2776 WMIC.exe Token: SeSystemProfilePrivilege 2776 WMIC.exe Token: SeSystemtimePrivilege 2776 WMIC.exe Token: SeProfSingleProcessPrivilege 2776 WMIC.exe Token: SeIncBasePriorityPrivilege 2776 WMIC.exe Token: SeCreatePagefilePrivilege 2776 WMIC.exe Token: SeBackupPrivilege 2776 WMIC.exe Token: SeRestorePrivilege 2776 WMIC.exe Token: SeShutdownPrivilege 2776 WMIC.exe Token: SeDebugPrivilege 2776 WMIC.exe Token: SeSystemEnvironmentPrivilege 2776 WMIC.exe Token: SeRemoteShutdownPrivilege 2776 WMIC.exe Token: SeUndockPrivilege 2776 WMIC.exe Token: SeManageVolumePrivilege 2776 WMIC.exe Token: 33 2776 WMIC.exe Token: 34 2776 WMIC.exe Token: 35 2776 WMIC.exe Token: SeIncreaseQuotaPrivilege 2776 WMIC.exe Token: SeSecurityPrivilege 2776 WMIC.exe Token: SeTakeOwnershipPrivilege 2776 WMIC.exe Token: SeLoadDriverPrivilege 2776 WMIC.exe Token: SeSystemProfilePrivilege 2776 WMIC.exe Token: SeSystemtimePrivilege 2776 WMIC.exe Token: SeProfSingleProcessPrivilege 2776 WMIC.exe Token: SeIncBasePriorityPrivilege 2776 WMIC.exe Token: SeCreatePagefilePrivilege 2776 WMIC.exe Token: SeBackupPrivilege 2776 WMIC.exe Token: SeRestorePrivilege 2776 WMIC.exe Token: SeShutdownPrivilege 2776 WMIC.exe Token: SeDebugPrivilege 2776 WMIC.exe Token: SeSystemEnvironmentPrivilege 2776 WMIC.exe Token: SeRemoteShutdownPrivilege 2776 WMIC.exe Token: SeUndockPrivilege 2776 WMIC.exe Token: SeManageVolumePrivilege 2776 WMIC.exe Token: 33 2776 WMIC.exe Token: 34 2776 WMIC.exe Token: 35 2776 WMIC.exe Token: SeBackupPrivilege 3008 wbengine.exe Token: SeRestorePrivilege 3008 wbengine.exe Token: SeSecurityPrivilege 3008 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2288 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe 30 PID 2504 wrote to memory of 2288 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe 30 PID 2504 wrote to memory of 2288 2504 2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe 30 PID 2288 wrote to memory of 2532 2288 svchost.exe 31 PID 2288 wrote to memory of 2532 2288 svchost.exe 31 PID 2288 wrote to memory of 2532 2288 svchost.exe 31 PID 2532 wrote to memory of 2756 2532 cmd.exe 33 PID 2532 wrote to memory of 2756 2532 cmd.exe 33 PID 2532 wrote to memory of 2756 2532 cmd.exe 33 PID 2532 wrote to memory of 2776 2532 cmd.exe 36 PID 2532 wrote to memory of 2776 2532 cmd.exe 36 PID 2532 wrote to memory of 2776 2532 cmd.exe 36 PID 2288 wrote to memory of 2316 2288 svchost.exe 38 PID 2288 wrote to memory of 2316 2288 svchost.exe 38 PID 2288 wrote to memory of 2316 2288 svchost.exe 38 PID 2316 wrote to memory of 1976 2316 cmd.exe 40 PID 2316 wrote to memory of 1976 2316 cmd.exe 40 PID 2316 wrote to memory of 1976 2316 cmd.exe 40 PID 2316 wrote to memory of 2832 2316 cmd.exe 41 PID 2316 wrote to memory of 2832 2316 cmd.exe 41 PID 2316 wrote to memory of 2832 2316 cmd.exe 41 PID 2288 wrote to memory of 1912 2288 svchost.exe 42 PID 2288 wrote to memory of 1912 2288 svchost.exe 42 PID 2288 wrote to memory of 1912 2288 svchost.exe 42 PID 1912 wrote to memory of 1452 1912 cmd.exe 44 PID 1912 wrote to memory of 1452 1912 cmd.exe 44 PID 1912 wrote to memory of 1452 1912 cmd.exe 44 PID 2288 wrote to memory of 2984 2288 svchost.exe 49 PID 2288 wrote to memory of 2984 2288 svchost.exe 49 PID 2288 wrote to memory of 2984 2288 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\2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-26_25ae98061f688851988d933b5b04af6f_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504 -
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:2288 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2756
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2776
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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:2316 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1976
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2832
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1452
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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:2984
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2732
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:2968
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0
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Filesize
34KB
MD525ae98061f688851988d933b5b04af6f
SHA15f8586f193d008b6113a6666f200eaa5f551e2d0
SHA256f9331f11afb16227547bc16337278658302e5f49163de4e487b439d2f10ec8b7
SHA5120b9a02bc247d1bc423abf23626338a9c97411df4f6c6c8b5916de66aedd9222c7cd21a7825627029ccdd26d2ec1389118ca36e6a0abc2f96c1ae1d442867c31a