Analysis
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max time kernel
170s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
09-08-2022 14:20
Static task
static1
Behavioral task
behavioral1
Sample
C3DDBFA5128976101123301D61824D782EA85FA9.gz
Resource
win10v2004-20220721-en
Behavioral task
behavioral2
Sample
sample.html
Resource
win10v2004-20220721-en
General
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Target
C3DDBFA5128976101123301D61824D782EA85FA9.gz
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Size
8KB
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MD5
70ad27f72e13236a0b11658500a8c53b
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SHA1
6247cefb7d69c3353d5c7533311e3f55e0e73356
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SHA256
a64b4f5529c3e6441fee5699219dfac7501b007a83a84346d2a194bfa24b2a04
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SHA512
03e63b659ddd673a80bacd201d42e9e6eac1fff840cb7daca08722acc5ae4660ed5a0b5e437e52f142c83511a928b40eb72058efa90c73861fb4fd7d7a4ae9e5
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 64 IoCs
Processes:
OpenWith.exe7zFM.exeOpenWith.execmd.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Applications\7zFM.exe\shell\open\command OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5000310000000000f554075a1000372d5a6970003c0009000400efbef554075af554075a2e000000dee701000000040000000000000000000000000000005035450037002d005a0069007000000014000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Applications OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ 7zFM.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "2" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Applications\7zFM.exe OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Applications\7zFM.exe\shell\open OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Applications\7zFM.exe\shell\open\command\ = "\"C:\\Program Files\\7-Zip\\7zFM.exe\" \"%1\"" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c00310000000000f554d25e110050524f4752417e310000740009000400efbe874fdb49f554d25e2e0000003f0000000000010000000000000000004a00000000006e1dc600500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000_Classes\Applications\7zFM.exe\shell OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
OpenWith.exe7zFM.exepid process 4448 OpenWith.exe 2152 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
7zFM.exe7zFM.exe7zG.exedescription pid process Token: SeRestorePrivilege 2152 7zFM.exe Token: 35 2152 7zFM.exe Token: SeSecurityPrivilege 2152 7zFM.exe Token: SeSecurityPrivilege 2152 7zFM.exe Token: SeRestorePrivilege 1688 7zFM.exe Token: 35 1688 7zFM.exe Token: SeRestorePrivilege 3644 7zG.exe Token: 35 3644 7zG.exe Token: SeSecurityPrivilege 3644 7zG.exe Token: SeSecurityPrivilege 3644 7zG.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
Processes:
7zFM.exe7zFM.exe7zG.exepid process 2152 7zFM.exe 2152 7zFM.exe 2152 7zFM.exe 1688 7zFM.exe 3644 7zG.exe -
Suspicious use of SetWindowsHookEx 41 IoCs
Processes:
OpenWith.exeOpenWith.exepid process 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 4448 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe 1196 OpenWith.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
OpenWith.exeOpenWith.exedescription pid process target process PID 4448 wrote to memory of 2152 4448 OpenWith.exe 7zFM.exe PID 4448 wrote to memory of 2152 4448 OpenWith.exe 7zFM.exe PID 1196 wrote to memory of 1688 1196 OpenWith.exe 7zFM.exe PID 1196 wrote to memory of 1688 1196 OpenWith.exe 7zFM.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\C3DDBFA5128976101123301D61824D782EA85FA9.gz1⤵
- Modifies registry class
PID:4596
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\C3DDBFA5128976101123301D61824D782EA85FA9.gz"2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2152
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Desktop\C3DDBFA5128976101123301D61824D782EA85FA9"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1688
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C:\Program Files\7-Zip\7zG.exe"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\C3DDBFA5128976101123301D61824D782EA85FA9~\" -spe -an -ai#7zMap8920:130:7zEvent269701⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3644
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
28KB
MD5e8f86205c3c0dbe27e48c5721e2ad72b
SHA1167656c3a99e90351f566d07014027ccd3ab8227
SHA2566c411e46682853396fc28a33c35bfe7547956b2a6a583b56a3882d723e000498
SHA5127a282caf027501c21c26a5dcde4d8ec89f611e83a80217cb02a5b907cd389f589a594108f1218a74feb85ba012212cb3224502b1cbb926140fad8fa6d0acc58c
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Filesize
583B
MD551618ac2b7cf5c4937213e965c00f20a
SHA17e704e57162ed18743bef9f95e2dea558954751b
SHA2560b41f69e6564b9c89b1b344744c5b06eb4adc0e584028909286d2b936e1afed5
SHA512d07af4309bf8156644d604676eec62cf78128dae1cd1808e865e02bf7302b3dea5b1eda42eecd6e8687c84b85a6a52c07bd45b120b8fe5940d8d80586a2d0fb0