Analysis Overview
SHA256
a5cdca5a8120b5532f6de3395b9b6d411ad9234b857ce17bb3cc5747be6a7dd2
Threat Level: Known bad
The file 5374639699296256.zip.zip was found to be: Known bad.
Malicious Activity Summary
BlackMatter Ransomware
Modifies extensions of user files
Enumerates connected drives
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Sets desktop wallpaper using registry
Suspicious use of SendNotifyMessage
Opens file in notepad (likely ransom note)
Enumerates system info in registry
Modifies Control Panel
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-10-19 17:47
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-10-19 17:47
Reported
2021-10-19 17:50
Platform
win10-en-20211014
Max time kernel
150s
Max time network
149s
Command Line
Signatures
BlackMatter Ransomware
Modifies extensions of user files
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\eventvwr.msc | C:\Windows\system32\mmc.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\WRLMMTHME.bmp" | C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\WRLMMTHME.bmp" | C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg | C:\Windows\system32\mmc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}" | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\FFlags = "1092616257" | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 19002f433a5c000000000000000000000000000000000000000000 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0 = 5c003100000000004e53617211004c49425241527e310000440009000400efbe4e5332724e5361722e0000003254010000000100000000000000000000000000000086e55e004c0069006200720061007200690065007300000018000000 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\1 | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\1\NodeSlot = "3" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\GroupByKey:PID = "0" | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\FFlags = "1" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\MRUListEx = 0100000000000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3 | C:\Windows\system32\mmc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0 = 5c003100000000004e53c37414004d4943524f537e310000440009000400efbe4e5330724e53c3742e0000002b5301000000010000000000000000000000000000002becba004d006900630072006f0073006f0066007400000018000000 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\GroupView = "0" | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell | C:\Windows\system32\mmc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}" | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\TV_TopViewVersion = "0" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\0\MRUListEx = ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\0 = 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 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\LogicalViewMode = "1" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\0 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9} | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\GroupByDirection = "1" | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0 = 56003100000000004e533572100057696e646f777300400009000400efbe4e5330724e5335722e0000002c530100000001000000000000000000000000000000ecdf0601570069006e0064006f0077007300000016000000 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 | C:\Windows\system32\mmc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\Mode = "4" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\1\MRUListEx = ffffffff | C:\Windows\system32\mmc.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\IconSize = "16" | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 = 78003100000000005353309c1100557365727300640009000400efbe724a0b5d5353309c2e000000320500000000010000000000000000003a00000000008587910055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0 = 56003100000000004e53307212004170704461746100400009000400efbe4e5330724e5330722e00000029530100000001000000000000000000000000000000709c3e004100700070004400610074006100000016000000 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\0\0\1 = 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 | C:\Windows\system32\mmc.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 = 50003100000000005353309c100041646d696e003c0009000400efbe4e5330725353309c2e0000001e53010000000100000000000000000000000000000085879100410064006d0069006e00000014000000 | C:\Windows\system32\mmc.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe
"C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\WRLMMTHME.README.txt
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffb1ae94f50,0x7ffb1ae94f60,0x7ffb1ae94f70
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1508 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1740 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2180 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2704 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2684 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3644 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4308 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4452 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4460 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4868 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4880 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4892 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5040 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4356 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4480 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5464 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4404 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5092 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5468 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5388 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4932 /prefetch:1
C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc" /s
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4612 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2508 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=772 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | time.windows.com | udp |
| NL | 20.101.57.9:123 | time.windows.com | udp |
| US | 8.8.8.8:53 | fluentzip.org | udp |
| FR | 5.39.3.130:443 | fluentzip.org | tcp |
| FR | 5.39.3.130:443 | fluentzip.org | tcp |
| US | 8.8.8.8:53 | accounts.google.com | udp |
| US | 8.8.8.8:53 | clients2.google.com | udp |
| NL | 142.250.179.141:443 | accounts.google.com | udp |
| NL | 142.250.179.142:443 | clients2.google.com | udp |
| US | 8.8.8.8:53 | edgedl.me.gvt1.com | udp |
| US | 34.104.35.123:80 | edgedl.me.gvt1.com | tcp |
| US | 8.8.8.8:53 | clients2.googleusercontent.com | udp |
| NL | 142.250.179.193:443 | clients2.googleusercontent.com | udp |
| NL | 142.250.179.193:443 | clients2.googleusercontent.com | tcp |
| US | 8.8.8.8:53 | apis.google.com | udp |
| US | 172.217.168.206:443 | apis.google.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | dns.google | udp |
| US | 8.8.4.4:443 | dns.google | tcp |
| US | 8.8.4.4:443 | dns.google | tcp |
| US | 8.8.4.4:443 | dns.google | tcp |
| US | 8.8.4.4:443 | dns.google | udp |
| US | 172.217.168.195:443 | ssl.gstatic.com | tcp |
| US | 8.8.4.4:443 | dns.google | udp |
| US | 142.251.36.35:443 | update.googleapis.com | tcp |
Files
memory/2680-116-0x00000000010E0000-0x000000000122A000-memory.dmp
memory/2680-115-0x00000000010E0000-0x000000000122A000-memory.dmp
C:\Users\Admin\Desktop\WRLMMTHME.README.txt
| MD5 | 896f61d321c4af276b7a80be14715992 |
| SHA1 | feca31af9616ac09d73900d32a8dc8d08fce51e6 |
| SHA256 | 8553b63516ebbad0ce0653b3e21831b5dd114584ec49f6f413ad928ee68e6c21 |
| SHA512 | 81fd91036800c12a66e9c352a70293734f5d4355c6c2fbf39446602655f596ac3afc150a4c0494c804a4226aba55aa65f031bd0957f79ffd131e5329fb0ec82e |
\??\pipe\crashpad_1764_NPJNTXWUFRUZYBSC
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/4172-119-0x000000001E950000-0x000000001E952000-memory.dmp
memory/4172-120-0x000000001E952000-0x000000001E954000-memory.dmp
memory/4172-121-0x000000001E954000-0x000000001E955000-memory.dmp
memory/4172-122-0x000000001E955000-0x000000001E956000-memory.dmp
memory/4172-123-0x000000001E956000-0x000000001E957000-memory.dmp
memory/4172-124-0x000000001E957000-0x000000001E958000-memory.dmp
memory/4172-125-0x00007FF6B0050000-0x00007FF6B0051000-memory.dmp
memory/4172-126-0x000000001E958000-0x000000001E95A000-memory.dmp
memory/4172-127-0x000000001E95A000-0x000000001E95F000-memory.dmp
memory/4172-128-0x0000000022550000-0x0000000022551000-memory.dmp