Analysis
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max time kernel
120s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
21-07-2024 09:51
Static task
static1
Behavioral task
behavioral1
Sample
a77a4980566ae9020dffcdfb29b9c720N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a77a4980566ae9020dffcdfb29b9c720N.exe
Resource
win10v2004-20240709-en
General
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Target
a77a4980566ae9020dffcdfb29b9c720N.exe
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Size
91KB
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MD5
a77a4980566ae9020dffcdfb29b9c720
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SHA1
e4a66cdc8df06973f0fde7fcf59361926ba9a868
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SHA256
eb41c75181bc1f6140e132800af65635b77ed1d7d722aa856a3384aa1470bc2a
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SHA512
978f8949874677095ea6b757f869c11443a9a8c969b128f19303c0ef4a8ecf23abc45997fa300a34370201d38a8f2ee498267b736f5253acbf757d74d72c8443
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SSDEEP
1536:d4sdB5Gw+AZhcydxV+OZkLN0yv2QLBvm+pevYHuein0Cb0DfpZm79QfMtMurmzN:d4sr5RtcyzVDkLNDv20BvDpeAOK5T7fb
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1740 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 384 urdvxc.exe 4940 urdvxc.exe 1156 urdvxc.exe 1740 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe a77a4980566ae9020dffcdfb29b9c720N.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe a77a4980566ae9020dffcdfb29b9c720N.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 38 IoCs
description ioc Process 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\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\Java\jdk-1.8\README.html urdvxc.exe File opened for modification C:\Program Files\RestoreSave.shtml 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\vlm_export.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\Java\jre-1.8\hcjzqenb.exe 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\PublishEnter.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\jre-1.8\Welcome.html 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\rvhrjtnt.exe 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\dialogs\stream_config_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\vlbvwvhv.exe urdvxc.exe File opened for modification C:\Program Files\AssertCheckpoint.html urdvxc.exe File opened for modification C:\Program Files\CloseOut.mhtml 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\dialogs\equalizer_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\mobile.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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\README.HTM 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\mobile_view.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\nxqsxhql.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\chllsvtv.exe 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\batch_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\browse_window.html urdvxc.exe -
Modifies registry class 60 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "rzblsbltwxqlhhtb" 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\{62B77361-C052-178D-5313-7AF2D2475E12}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\ = "xveelclxkzqhvxql" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "heknqtrsrqqzlklb" 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\{4BCAC5F9-FF21-A852-0D35-F6722BD3C0F8}\LocalServer32 a77a4980566ae9020dffcdfb29b9c720N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "bkrrjttrkcshxkxn" 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\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\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\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\ = "venceebrqtkbnbbt" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "zkxknjertbntwskq" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84} 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\{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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "txjbsbrsnxerqrer" 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\{8308FF82-554C-D53A-FE36-8DDED83673EF} 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 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}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.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\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\ = "xjkebrbhtrbhvwnc" 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\{4BCAC5F9-FF21-A852-0D35-F6722BD3C0F8}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a77a4980566ae9020dffcdfb29b9c720N.exe" a77a4980566ae9020dffcdfb29b9c720N.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\{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\{8308FF82-554C-D53A-FE36-8DDED83673EF}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\hrbhlxhb.exe" 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}\LocalServer32 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 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\{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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "qbxwncwkkbrsvnze" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "jxvchllkxxtsxhnn" 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\{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}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\bkbbtzlb.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4BCAC5F9-FF21-A852-0D35-F6722BD3C0F8}\ = "khjcnwrntelrekws" a77a4980566ae9020dffcdfb29b9c720N.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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "rjjqrctellherewe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4BCAC5F9-FF21-A852-0D35-F6722BD3C0F8} a77a4980566ae9020dffcdfb29b9c720N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\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\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\ = "wqjclkxnhhbvlchz" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\ = "elevlrxclcbbszkt" 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "qnseehekrnwnhqjt" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\vfs\\ProgramFilesCommonX64\\Microsoft Shared\\Smart Tag\\1033\\rvhrjtnt.exe" urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 384 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2440 wrote to memory of 384 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 87 PID 2440 wrote to memory of 384 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 87 PID 2440 wrote to memory of 384 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 87 PID 2440 wrote to memory of 4940 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 88 PID 2440 wrote to memory of 4940 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 88 PID 2440 wrote to memory of 4940 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 88 PID 2440 wrote to memory of 1740 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 92 PID 2440 wrote to memory of 1740 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 92 PID 2440 wrote to memory of 1740 2440 a77a4980566ae9020dffcdfb29b9c720N.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\a77a4980566ae9020dffcdfb29b9c720N.exe"C:\Users\Admin\AppData\Local\Temp\a77a4980566ae9020dffcdfb29b9c720N.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:384
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:4940
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\a77a4980566ae9020dffcdfb29b9c720N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:1740
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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:1156
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
91KB
MD5a77a4980566ae9020dffcdfb29b9c720
SHA1e4a66cdc8df06973f0fde7fcf59361926ba9a868
SHA256eb41c75181bc1f6140e132800af65635b77ed1d7d722aa856a3384aa1470bc2a
SHA512978f8949874677095ea6b757f869c11443a9a8c969b128f19303c0ef4a8ecf23abc45997fa300a34370201d38a8f2ee498267b736f5253acbf757d74d72c8443