Analysis
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max time kernel
135s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2024 11:29
Behavioral task
behavioral1
Sample
2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe
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Size
27KB
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MD5
79d86615f0e2d2e642c9119a1b5aec02
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SHA1
15d39cb1ec1841b6eda1ac15efae826edfc3f018
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SHA256
f10eab55ab7a6f4211bef702263ed43c529c7fef9848c5717adafe4981fcf081
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SHA512
745e9c00e482259029eb4370e01a7be3ec81495f91fecede40dc3d4e233614022319b47b33b7fec77fef76104b0a82f6ce588e66f6fb16f3315329ac24252c68
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SSDEEP
384:vtWZPzzxAm1vp5ZRoDATbzyvQL/JXmlGOy5o91iOpE82vn:G7zxAmpfysKQrJ9ho9MOu82P
Malware Config
Extracted
C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\read_it.txt
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/2112-1-0x0000000000310000-0x000000000031E000-memory.dmp family_chaos behavioral2/files/0x0011000000023ae4-7.dat family_chaos -
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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 2 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 -
Executes dropped EXE 1 IoCs
pid Process 1768 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\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\Contacts\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\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini svchost.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System 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\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\Admin\Music\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini svchost.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini svchost.exe File opened for modification C:\Users\Public\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\Recent\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Admin\AppData\Local\Microsoft\Windows\History\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\Default\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\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\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\Libraries\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\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\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\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\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\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\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\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1008 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 1768 svchost.exe -
Suspicious behavior: EnumeratesProcesses 50 IoCs
pid Process 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe Token: SeDebugPrivilege 1768 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2112 wrote to memory of 1768 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 87 PID 2112 wrote to memory of 1768 2112 2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe 87 PID 1768 wrote to memory of 1008 1768 svchost.exe 94 PID 1768 wrote to memory of 1008 1768 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112 -
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
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768 -
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:1008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
582B
MD5ed5cc52876db869de48a4783069c2a5e
SHA1a9d51ceaeff715ace430f9462ab2ee4e7f33e70e
SHA25645726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36
SHA5121745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-10-21_79d86615f0e2d2e642c9119a1b5aec02_destroyer_wannacry.exe.log
Filesize1KB
MD5baf55b95da4a601229647f25dad12878
SHA1abc16954ebfd213733c4493fc1910164d825cac8
SHA256ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA51224f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545
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Filesize
27KB
MD579d86615f0e2d2e642c9119a1b5aec02
SHA115d39cb1ec1841b6eda1ac15efae826edfc3f018
SHA256f10eab55ab7a6f4211bef702263ed43c529c7fef9848c5717adafe4981fcf081
SHA512745e9c00e482259029eb4370e01a7be3ec81495f91fecede40dc3d4e233614022319b47b33b7fec77fef76104b0a82f6ce588e66f6fb16f3315329ac24252c68
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0