Analysis
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max time kernel
120s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-08-2024 02:09
Static task
static1
Behavioral task
behavioral1
Sample
491e83f5a90b6b17a0e649f55999f5b0N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
491e83f5a90b6b17a0e649f55999f5b0N.exe
Resource
win10v2004-20240802-en
General
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Target
491e83f5a90b6b17a0e649f55999f5b0N.exe
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Size
91KB
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MD5
491e83f5a90b6b17a0e649f55999f5b0
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SHA1
0ca4dbce97df3771975a5a859c88f70f8f909d34
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SHA256
faee75b9df5df2782dbd920f1e031787efa4def555293909141015dfae9e862a
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SHA512
13aad218563d0c88f1fac23eb333c1e3ee08316f91235b1fd8c66170e5c91ec6f595594a86be72f94f0b30c3467e66be9b4142bb0e8b169872c152c22362a7df
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SSDEEP
1536:14HoAAxNiwinoPPDVBtc9nl+Im1Mq75GvjChCuLAD8KeGadP61kHmgrmhdqQwSB:14IAAfPfB8nl25jhtI8K7adC1uVEXwG
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3620 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 4736 urdvxc.exe 2956 urdvxc.exe 1728 urdvxc.exe 3620 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe 491e83f5a90b6b17a0e649f55999f5b0N.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe 491e83f5a90b6b17a0e649f55999f5b0N.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 35 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\batch_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\error_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\index.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\kznjrtew.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPP.HTM urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\Welcome.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\tsbknceh.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\stream_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html urdvxc.exe File opened for modification C:\Program Files\DebugPush.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\Welcome.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\hrbhlxhb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\view.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm_export.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\stream_config_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlbvwvhv.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\README.HTM urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\create_stream.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\mosaic_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\nxqsxhql.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\chllsvtv.exe urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\hcjzqenb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\bkbbtzlb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\offset_window.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\revhnlhn.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\browse_window.html urdvxc.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 491e83f5a90b6b17a0e649f55999f5b0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language urdvxc.exe -
Modifies registry class 60 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "xlhnlbjhqvvvxlkt" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\chllsvtv.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\ = "rhbjwctjxkexqtkl" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B731CFD1-4803-2002-4DB1-DC2229F7AC8A}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\491e83f5a90b6b17a0e649f55999f5b0N.exe" 491e83f5a90b6b17a0e649f55999f5b0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "kchkklljblcbtsen" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\ = "kjhstbhblrsshlkw" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\ = "rezzhvlbbtncjtlq" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B731CFD1-4803-2002-4DB1-DC2229F7AC8A} 491e83f5a90b6b17a0e649f55999f5b0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "vkhnwlvnwrvssztb" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\vfs\\ProgramFilesCommonX64\\Microsoft Shared\\Smart Tag\\1033\\rvhrjtnt.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\hrbhlxhb.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "wssecqrktctbbqlw" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32\ = "C:\\Program Files\\Java\\jre-1.8\\hcjzqenb.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\vlbvwvhv.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "rwqljljrskhbvlbq" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "bjrntrxlvnkwbwhl" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\ = "eeeblvtrjlvshbkn" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B731CFD1-4803-2002-4DB1-DC2229F7AC8A}\LocalServer32 491e83f5a90b6b17a0e649f55999f5b0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nbsthetleejlejjt" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "kshllqejnsretlsj" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\bkbbtzlb.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\Office16\\PersonaSpy\\tsbknceh.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\kznjrtew.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\nxqsxhql.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B731CFD1-4803-2002-4DB1-DC2229F7AC8A}\ = "jvljbwzstnjlllrz" 491e83f5a90b6b17a0e649f55999f5b0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\jre\\revhnlhn.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\ = "wtzrbnxlwrleerbk" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "sssnshhhksbveqej" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32 urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4736 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4572 wrote to memory of 4736 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 88 PID 4572 wrote to memory of 4736 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 88 PID 4572 wrote to memory of 4736 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 88 PID 4572 wrote to memory of 2956 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 89 PID 4572 wrote to memory of 2956 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 89 PID 4572 wrote to memory of 2956 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 89 PID 4572 wrote to memory of 3620 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 91 PID 4572 wrote to memory of 3620 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 91 PID 4572 wrote to memory of 3620 4572 491e83f5a90b6b17a0e649f55999f5b0N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\491e83f5a90b6b17a0e649f55999f5b0N.exe"C:\Users\Admin\AppData\Local\Temp\491e83f5a90b6b17a0e649f55999f5b0N.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4736
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:2956
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\491e83f5a90b6b17a0e649f55999f5b0N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:3620
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C:\Windows\SysWOW64\urdvxc.exe"C:\Windows\SysWOW64\urdvxc.exe" /service1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
PID:1728
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
91KB
MD5491e83f5a90b6b17a0e649f55999f5b0
SHA10ca4dbce97df3771975a5a859c88f70f8f909d34
SHA256faee75b9df5df2782dbd920f1e031787efa4def555293909141015dfae9e862a
SHA51213aad218563d0c88f1fac23eb333c1e3ee08316f91235b1fd8c66170e5c91ec6f595594a86be72f94f0b30c3467e66be9b4142bb0e8b169872c152c22362a7df