Analysis
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max time kernel
90s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2024 22:34
Behavioral task
behavioral1
Sample
2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe
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Size
27KB
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MD5
346a4e45557cef682a089adf3602d8a5
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SHA1
513ddb97634940a37f3ce420aca9d60088251215
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SHA256
2f2319f1b99e0d0595b2e1e41e2e53fbbb92bb149d7e8c5cbb180324c7c9d59b
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SHA512
df4a150dec0257321b52b21d7763f3dfdd04490b13925bd642ccac1207128e82255974eea7bb2c5930308e8383e97ddb8ee501f5816e6082bd8556cfa45c5f50
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SSDEEP
384:IftWZPzzxAm1vp5ZRoDCFKW6pAnAQ5z6l0Oy5o917aPjpg82vG:IW7zxAmpfyCz6pVQ5Pho9UPju82e
Malware Config
Extracted
C:\Users\Admin\AppData\Local\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/3944-1-0x00000000002A0000-0x00000000002AE000-memory.dmp family_chaos behavioral2/files/0x0008000000023cde-7.dat family_chaos -
Chaos family
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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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation svchost.exe Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.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 3088 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-1-5-21-4050598569-1597076380-177084960-1000\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\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\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\Links\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Administrative Tools\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\Start Menu\Programs\Maintenance\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\All Users\Microsoft\Windows\Start Menu\Programs\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\Administrative Tools\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\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\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\History\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\Admin\Saved Games\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\Accessibility\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\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\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\Admin\3D Objects\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\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\Internet Explorer\Quick Launch\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\System Tools\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\All Users\Microsoft\Windows\Start Menu\Programs\StartUp\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\Admin\AppData\Roaming\Microsoft\Windows\Recent\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\SendTo\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-4050598569-1597076380-177084960-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\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\Public\Documents\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\Contacts\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\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\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4452 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3088 svchost.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe 3088 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe Token: SeDebugPrivilege 3088 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3944 wrote to memory of 3088 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 86 PID 3944 wrote to memory of 3088 3944 2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe 86 PID 3088 wrote to memory of 4452 3088 svchost.exe 90 PID 3088 wrote to memory of 4452 3088 svchost.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944 -
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:3088 -
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:4452
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-11-28_346a4e45557cef682a089adf3602d8a5_destroyer_wannacry.exe.log
Filesize1KB
MD5baf55b95da4a601229647f25dad12878
SHA1abc16954ebfd213733c4493fc1910164d825cac8
SHA256ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA51224f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545
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Filesize
582B
MD5ed5cc52876db869de48a4783069c2a5e
SHA1a9d51ceaeff715ace430f9462ab2ee4e7f33e70e
SHA25645726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36
SHA5121745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5
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Filesize
27KB
MD5346a4e45557cef682a089adf3602d8a5
SHA1513ddb97634940a37f3ce420aca9d60088251215
SHA2562f2319f1b99e0d0595b2e1e41e2e53fbbb92bb149d7e8c5cbb180324c7c9d59b
SHA512df4a150dec0257321b52b21d7763f3dfdd04490b13925bd642ccac1207128e82255974eea7bb2c5930308e8383e97ddb8ee501f5816e6082bd8556cfa45c5f50
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0