Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-08-2024 05:28
Behavioral task
behavioral1
Sample
2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe
Resource
win7-20240708-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
15 signatures
150 seconds
General
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Target
2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe
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Size
43KB
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MD5
dde52cb8bacc386bc04bf8a8b47cc2d7
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SHA1
55b70d1baba415b30712adb7d4b8316f3fade4bb
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SHA256
b49f0ce758264355e239922c949c0f012703e71f93ba09c156464654abcf3446
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SHA512
33d6b7443de07ccd919e135b961f5abd6aac32b843ddddbea513b9d99777fa1cba24f92f689f3177127b54253cdb2f065658b5e78b7e966f2ae6e98d7c24db1c
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SSDEEP
768:2n3kIeKpsyjWKr9S2fECoNgYxtw3UnqHM3K4e5:03kIljWKr9SYjoNgctw3jt5
Score
10/10
Malware Config
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/3932-0-0x0000000000E40000-0x0000000000E52000-memory.dmp family_chaos behavioral2/files/0x000e0000000233d7-6.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation svchost.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 4616 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) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\Saved Games\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\Accessories\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\Videos\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\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\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\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\Pictures\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\Public\Pictures\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\gboa2b3s5.jpg" 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-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 780 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4616 svchost.exe -
Suspicious behavior: EnumeratesProcesses 45 IoCs
pid Process 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe 4616 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe Token: SeDebugPrivilege 4616 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3932 wrote to memory of 4616 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 86 PID 3932 wrote to memory of 4616 3932 2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe 86 PID 4616 wrote to memory of 780 4616 svchost.exe 87 PID 4616 wrote to memory of 780 4616 svchost.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-08_dde52cb8bacc386bc04bf8a8b47cc2d7_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932 -
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
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616 -
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:780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5dde52cb8bacc386bc04bf8a8b47cc2d7
SHA155b70d1baba415b30712adb7d4b8316f3fade4bb
SHA256b49f0ce758264355e239922c949c0f012703e71f93ba09c156464654abcf3446
SHA51233d6b7443de07ccd919e135b961f5abd6aac32b843ddddbea513b9d99777fa1cba24f92f689f3177127b54253cdb2f065658b5e78b7e966f2ae6e98d7c24db1c
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Filesize
286B
MD55bc1254279a2c830d73649b46704d375
SHA1e5c843e2b306dd3ceac50684ab963bf2becd2ab1
SHA25688ba3a652fc9e05fb083b0eab75630d29482743cf548f98e4fdce24368f95b4b
SHA512fb289527989ddb6a572c4bc75cceb3063f4952ee14be44620947a437635ee9b4b62968bc08e3ad2571afba31bcb4d7792ef01f9afe8570cc7085a1d70af10c08