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Analysis
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max time kernel
53s -
max time network
54s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2023, 03:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
reloc.rar
Resource
win7-20230220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
reloc.rar
Resource
win10v2004-20230220-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
reloc.rar
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Size
487KB
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MD5
3ec8ad131379fe656e0ee8ca94ade4ba
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SHA1
8f1d785c412904da883f02c69f6fb0910550cdb4
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SHA256
7b3986445ac31f6150a65054384a01b8a780dfea032b5ed22fc6e69c61fc0eda
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SHA512
df1d8aa2cc6736804647521534b19d3381a7ca75edb84d8f7830e2f76ad3dece7ee84d5c52f303360bebfbfabf0f857ab7bfa20f1132ff3d0a0b02a6c671afe0
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SSDEEP
12288:xfp6S5wNJefdP3t37SgdayHmxwuNVIjXnAfp65pKggrn2qCdfbCmImy:xfp69NJefFdrwyHmxrNVCAfp6HIj2qCA
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_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-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000005456b2a81000372d5a6970003c0009000400efbe5456b2a85456b2a82e000000fae7010000001f00000000000000000000000000000065cc770037002d005a0069007000000014000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_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-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Applications\7z.exe\shell\open\command OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Applications OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Applications\7z.exe\shell\open OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_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-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\䂀鮲䁕뚪\ = "rar_auto_file" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\rar_auto_file\shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Applications\7z.exe OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\.rar OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\rar_auto_file OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\.rar\ = "rar_auto_file" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Applications\7z.exe\shell\open\command\ = "\"C:\\Program Files\\7-Zip\\7z.exe\" \"%1\"" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\rar_auto_file\shell\open\command\ = "\"C:\\Program Files\\7-Zip\\7z.exe\" \"%1\"" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_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-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Applications\7z.exe\shell OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c0031000000000054560eab110050524f4752417e310000740009000400efbe874fdb4954560eab2e0000003f0000000000010000000000000000004a0000000000f6421301500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "2" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\rar_auto_file\shell\open OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4476 OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 892 7z.exe Token: 35 892 7z.exe -
Suspicious use of SetWindowsHookEx 34 IoCs
pid Process 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe 4476 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4476 wrote to memory of 892 4476 OpenWith.exe 89 PID 4476 wrote to memory of 892 4476 OpenWith.exe 89
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\reloc.rar1⤵PID:1664
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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:4476 -
C:\Program Files\7-Zip\7z.exe"C:\Program Files\7-Zip\7z.exe" "C:\Users\Admin\AppData\Local\Temp\reloc.rar"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:892
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1624
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
28KB
MD59c706f5b468f510cc673b3156edb9878
SHA15e8ee3322b838703a0b0b5efe0d6cf7c869db189
SHA25628ed3a7ac21b6d8497048fa873cdd8e56a07733364655b3d716e0f9d5a1b8073
SHA5128bd30d6fc7348a796d6f598464056b890c6d92947d85e6ec49b65df013d962dee66cf14092b5511513975fb0ce1ba93791e202f4522f5ad922647c76e76d28b9