Analysis
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max time kernel
120s -
max time network
126s -
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 01:34
Static task
static1
Behavioral task
behavioral1
Sample
4b3da5650b4a200c6c338aaadc825f50N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4b3da5650b4a200c6c338aaadc825f50N.exe
Resource
win10v2004-20240709-en
General
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Target
4b3da5650b4a200c6c338aaadc825f50N.exe
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Size
63KB
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MD5
4b3da5650b4a200c6c338aaadc825f50
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SHA1
bb12053fb8556cfd4e74494b5a21436dab8cd94f
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SHA256
15aadf7ccffb1c139a96be05992c5f310e1bff070394cc7f831005b2d4babd46
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SHA512
cf0a2a0db11525b6efb19729b493f320903c07b1be2fe3838e48a454f82b9d4bcdd4a3d0b02d121b7ffe5c0f6b52e6e2b7b6f97f4d443c75210af1792bca63c6
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SSDEEP
768:uHPXy4s1U6YHLT63BOB99NymS4wZJ4+DGqhKwRHywtkyb/Yxvxzqwtr1o7tu7I2T:USULr1pwtrbAxvRtktu7IWz+d1yplCap
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2848 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 4416 urdvxc.exe 1456 urdvxc.exe 2600 urdvxc.exe 2848 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\urdvxc.exe 4b3da5650b4a200c6c338aaadc825f50N.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe 4b3da5650b4a200c6c338aaadc825f50N.exe -
Drops file in Program Files directory 35 IoCs
description ioc Process 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\Welcome.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\kznjrtew.exe 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\VideoLAN\VLC\lua\http\vlm.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\mobile_browse.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\view.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\offset_window.html 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\RequestUpdate.html 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\vlm_export.html urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\hcjzqenb.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPP.HTM 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\vlbvwvhv.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.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\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\browse_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\hrbhlxhb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\nxqsxhql.exe 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\Java\jdk-1.8\README.html 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\VideoLAN\VLC\lua\http\dialogs\create_stream.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\bkbbtzlb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile.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 urdvxc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b3da5650b4a200c6c338aaadc825f50N.exe -
Modifies registry class 60 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3} 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}\ = "ssztbrqlwnwqjcjz" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "lkesxenktetrrnes" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF2FC279-1C05-EC1D-39D5-9B120233B476} 4b3da5650b4a200c6c338aaadc825f50N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "bhbksrkebteekhlb" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\ = "sxnkqskqskbvevze" 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\{62B77361-C052-178D-5313-7AF2D2475E12} 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}\LocalServer32 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "xtnrbhqkkkshlrqr" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\ = "rxjzckjnkljhhesk" 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\{5DA7E191-3518-8C5E-DAD0-E316016B7509} 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\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\ = "tlrnlsrtbkrwjtht" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\chllsvtv.exe" 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\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\ = "senhjeklknkenhkh" 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 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF2FC279-1C05-EC1D-39D5-9B120233B476}\LocalServer32 4b3da5650b4a200c6c338aaadc825f50N.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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "ksstkxlxrbezkrsr" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "qxrbkctnjhvxwzee" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "rstnsnbberknwxkl" 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 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF2FC279-1C05-EC1D-39D5-9B120233B476}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b3da5650b4a200c6c338aaadc825f50N.exe" 4b3da5650b4a200c6c338aaadc825f50N.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\{5BFAF607-9DDA-565E-A528-64082B45FA4C} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\ = "ksknrnsqcnevztel" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\LocalServer32 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}\ = "tkhxnvtkvbbvnjhe" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "shklqxqhnbhebbks" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF2FC279-1C05-EC1D-39D5-9B120233B476}\ = "hqvetlswtzvkxbvb" 4b3da5650b4a200c6c338aaadc825f50N.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}\LocalServer32 urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4416 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2320 wrote to memory of 4416 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 87 PID 2320 wrote to memory of 4416 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 87 PID 2320 wrote to memory of 4416 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 87 PID 2320 wrote to memory of 1456 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 88 PID 2320 wrote to memory of 1456 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 88 PID 2320 wrote to memory of 1456 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 88 PID 2320 wrote to memory of 2848 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 91 PID 2320 wrote to memory of 2848 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 91 PID 2320 wrote to memory of 2848 2320 4b3da5650b4a200c6c338aaadc825f50N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\4b3da5650b4a200c6c338aaadc825f50N.exe"C:\Users\Admin\AppData\Local\Temp\4b3da5650b4a200c6c338aaadc825f50N.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2320 -
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:4416
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:1456
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\4b3da5650b4a200c6c338aaadc825f50N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:2848
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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:2600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD54b3da5650b4a200c6c338aaadc825f50
SHA1bb12053fb8556cfd4e74494b5a21436dab8cd94f
SHA25615aadf7ccffb1c139a96be05992c5f310e1bff070394cc7f831005b2d4babd46
SHA512cf0a2a0db11525b6efb19729b493f320903c07b1be2fe3838e48a454f82b9d4bcdd4a3d0b02d121b7ffe5c0f6b52e6e2b7b6f97f4d443c75210af1792bca63c6