Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
16/06/2024, 00:42
Behavioral task
behavioral1
Sample
2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe
Resource
win7-20231129-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
16 signatures
150 seconds
General
- Target 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe
- Size 88KB
- Sample240616-a2ghnswarn
- SHA256 4e359ae286505974c77f25cd4862138af31ad5fc63b29fc1682a59d996bddc85
- MD5 d34b72d869022e1b685776dfacee4aa0
- SHA1 25cf4456c9b434b56fcb77146275eee0b86d300f
- SHA512 88e123dd30a67f9bcc62e0f7bf078530dcc6efa385f9d530a73bc34a0edf1300ead4ed000e9f3da4f08787a2a6e6274e91f1455ed09067b0e7caeadf84875c43
- SSDEEP 1536:Po2tljKtJr91/SDwkYU2Jm6Ywm2vmyzuXpXppfpp0ppzpphppypp9poppTp:PoijKtJr91KDdwm2vZy
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Chaos
Ransomware family first seen in June 2021.
- Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/744-1-0x0000000000F10000-0x0000000000F2C000-memory.dmp family_chaos behavioral2/files/0x0002000000022a46-6.dat family_chaos - Detects command variations typically used by ransomware 2 IoCs
resource yara_rule behavioral2/memory/744-1-0x0000000000F10000-0x0000000000F2C000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x0002000000022a46-6.dat INDICATOR_SUSPICIOUS_GENRansomware - Renames multiple (189) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- 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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation setup.exe - Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\setup.url setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini setup.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt setup.exe - Executes dropped EXE 1 IoCs
pid Process 4240 setup.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Saved Games\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini setup.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini setup.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini setup.exe File opened for modification C:\Users\Public\Desktop\desktop.ini setup.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini setup.exe File opened for modification C:\Users\Admin\Searches\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini setup.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1181767204-2009306918-3718769404-1000\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini setup.exe File opened for modification C:\Users\Public\Documents\desktop.ini setup.exe File opened for modification C:\Users\Admin\Documents\desktop.ini setup.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini setup.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini setup.exe File opened for modification C:\Users\Public\Videos\desktop.ini setup.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini setup.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini setup.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini setup.exe File opened for modification C:\Users\Public\Pictures\desktop.ini setup.exe File opened for modification C:\Users\Public\Music\desktop.ini setup.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini setup.exe File opened for modification C:\Users\Admin\Music\desktop.ini setup.exe File opened for modification C:\Users\Admin\Videos\desktop.ini setup.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini setup.exe File opened for modification C:\Users\Admin\Links\desktop.ini setup.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings setup.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4992 NOTEPAD.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4240 setup.exe - Suspicious behavior: EnumeratesProcesses 53 IoCs
pid Process 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe 4240 setup.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe Token: SeDebugPrivilege 4240 setup.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 744 wrote to memory of 4240 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 92 PID 744 wrote to memory of 4240 744 2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe 92 PID 4240 wrote to memory of 4992 4240 setup.exe 95 PID 4240 wrote to memory of 4992 4240 setup.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-16_d34b72d869022e1b685776dfacee4aa0_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Roaming\setup.exe"C:\Users\Admin\AppData\Roaming\setup.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240 -
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:4992
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4696,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:81⤵PID:3816
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\setup.exe
- Size 88KB
- SHA256 4e359ae286505974c77f25cd4862138af31ad5fc63b29fc1682a59d996bddc85
- MD5 d34b72d869022e1b685776dfacee4aa0
- SHA1 25cf4456c9b434b56fcb77146275eee0b86d300f
- SHA512 88e123dd30a67f9bcc62e0f7bf078530dcc6efa385f9d530a73bc34a0edf1300ead4ed000e9f3da4f08787a2a6e6274e91f1455ed09067b0e7caeadf84875c43
- SSDEEP 1536:Po2tljKtJr91/SDwkYU2Jm6Ywm2vmyzuXpXppfpp0ppzpphppypp9poppTp:PoijKtJr91KDdwm2vZy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Documents\read_it.txt
- Size 861B
- SHA256 702b3327d90e6d3f81a69ffdcbc1d7bac81756e952fced755a69c8ac2ee89525
- MD5 9ddf410ffe7bd14364c6e1c53b421d88
- SHA1 8b6312ee7b01990d1b01d39d87cd3c7667a0b89b
- SHA512 ebbaa7b784aff8277afed199555f5e3ee13a66d3be914abcfd25fb6d0e322fc5f2f3c88993c9327d13fc24d3c556b8844ae31ffe68076650fb1978c99ffa6834
- MD5 SHA1 SHA512