Resubmissions
26-07-2024 05:05
240726-frc1ds1drf 1025-07-2024 07:20
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240724-q83bqasdqb 1023-07-2024 11:06
240723-m7t26stbmr 10Analysis
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max time kernel
215s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 05:05
Behavioral task
behavioral1
Sample
Release/Server.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Release/Server.exe
Resource
win10v2004-20240709-en
General
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Target
Release/Server.exe
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Size
1.0MB
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MD5
97fdf675692906714405d7e9bd6a9c61
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SHA1
f388a87852ca61122f2563b9919625d33c7efe78
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SHA256
dd3c72966f70692309714ec42461021fef21c26ad33b1b43e3232186b632a44b
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SHA512
06f371bbec435746a876bb8127979c46fb1a21949c7f2b1f0e7edd4895382c5018113d52cf86485fa8d269f5c4b597c2739519db11b78bb7574638272ebf925c
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SSDEEP
24576:UcBAVQOcXu65lmmomlEkmmsEnE7E7E7EUmemmmmmmIDmeQaKM:USAVQTXuElmmomSkmmtEQQQUmemmmmmL
Malware Config
Signatures
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Loads dropped DLL 3 IoCs
pid Process 2744 Server.exe 2744 Server.exe 2744 Server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe -
Modifies registry class 55 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1" Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0" Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1" Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1 Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\NodeSlot = "2" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" Server.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656} Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1 = 3a002e803accbfb42cdb4c42b0297fe99a87c641260001002600efbe110000007c2e33c908d2da012b6322b710d2da012b6322b710d2da0114000000 Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\MRUListEx = ffffffff Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 0100000000000000ffffffff Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings Server.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Server.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Server.exe Set value (data) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic" Server.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2744 Server.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2744 Server.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2744 Server.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Release\Server.exe"C:\Users\Admin\AppData\Local\Temp\Release\Server.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2744
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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:2628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD514393eb908e072fa3164597414bb0a75
SHA15e04e084ec44a0b29196d0c21213201240f11ba0
SHA25659b9d95ae42e35525fc63f93168fe304409463ee070a3cf21a427a2833564b80
SHA512f5fc3d9e98cca1fbbbe026707086a71f801016348d2355541d630879ad51a850f49eb4a5f7a94e12a844d7a7108d69fa6d762ee19f4805d6aafef16259b4330b
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\1ekdfds1.newcfg
Filesize805B
MD5eb5e7c02c1994e15cdaf2a8a052477bf
SHA18ce675a1d2780867fa05f6698aeff55cf41966de
SHA2568ea66baaffc61a5e5bca357f010dfbb45b57dd3fd0bd528e67c0b65a23e6be44
SHA512cdc8b3725c056abd180b7ac6d15eb5279f330f0ea0c4c2919404b6e2ddf55e3347ffcacb9a9ed47f4c4241874a08be07af354dc8f594860c3b89baf321fb63d4
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\2gxooowk.newcfg
Filesize803B
MD52fda4c7115063230bbe327d4608cb7ca
SHA15ae429e7459056cd067d01ab29724c316f60850b
SHA256f3f0af08dae890f6e715b88e4ce8e4b0e02cecff1c77d81306823f55b372cdec
SHA512c86e311c5e1a899da25473528a5404fbf348b5ca3452fe942feec251786c5b0c649b6c2959e864611f1721994ac2e0375081f93ff4371f2555a5d4ebe15c5bec
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\s2xz1yuj.newcfg
Filesize804B
MD554e7dc2fe70512ede6b9090c6af8e3ee
SHA12afced27623b17889e02cfa27ddd9378cfe44f8b
SHA256e01d5ed972f3bc772047c3c52717c4920375326138e9e883eb03d608cde67858
SHA51213b6491a742e4ed1117b6bcd87e642e4b18985b26f913a39ea94b548565d0670bf8a0ce9069b6133af073ed41b8c3bdf60d0f243cbe827202600f14921a250c1
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\user.config
Filesize311B
MD5a35bc67d130a4fb76c2c2831cbdddd55
SHA166502423bba03870522e50608212b6ee27ebf4c5
SHA256e94a97e512fbc8ed9f5691d921fdeddbff4cc16b024c5335adf66bff3a7a8192
SHA5124401b234d7914afa860e356be1667cc5f44402255f7cc6cc3d8df80883167f6b55463e62156df57be697ee501897fac61a71f97911c6fdb6630272341ac8a07e
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\user.config
Filesize434B
MD5cfcf8e91857f364e002065c52ff8f91c
SHA18407ecb3c33a1f3fcf18a723e6884acf7e5a0f4a
SHA256572dda8c7f211dc6a4efc7aecb4a54cb4e0ced1e4c9a4b9f96bb329c983c64e6
SHA512364fecac3a051441b4fefcebb2cc9e38632f99dd04593cd5d9b148986afb09b195e88cdbfa2e778b8934564b76d04fe053f919f0a60769b023f2f753ede06d1e
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\user.config
Filesize560B
MD5463d2a6611fbb9f0657b8c8c9783f6e0
SHA19fbda301bda3be3c9c2362b08cf4046857e2612d
SHA25631d89529523e9b788ceec89cb43f1d2d26b44829e720324facf0906251135046
SHA512c2b30090064b389eed8f79429765dc881c74c83352c7bb6e81585b81e9df6010cc89150766e94bf5091279a54b50301a529af70ec2626e2da2a842040424b169
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C:\Users\Admin\AppData\Local\Server\Server.exe_Url_jmtcyt32s450mrkqcfhpdrl3u0cpu3sy\1.0.0.0\wnkli4gz.newcfg
Filesize688B
MD51b3ada0fdd06f798be1c03cb51b07db6
SHA1da4de6b4d4e3660947059a20e966d01c40d8c2ee
SHA25615f11b3764eca4b990052e1fdfbbb33025baa1455a35e80e5dfef63349ecdf92
SHA512a3d0721cb04eebb677ae80b9738e65aa7c98e9797b08201c548bf1628028a4f3afdb92333703a20ed21cc2fd632733c26524b8d81d9502a7555c9571f3b933d6