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Analysis
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max time kernel
169s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
16/11/2023, 09:36
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe
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Size
119KB
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MD5
271c071d8ed06eccf1f5b62c90fe3ab0
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SHA1
c856307bb0ca96c4562e1c327d32e250b20e21b2
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SHA256
87adc06db503ef36662a702d567cf57e528156c518c04801bc8c8538a753d33a
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SHA512
8a81a0e5d7839330adbcf7f0ff5be19c8cda96fd959c6afcc501c68b774f5c7cdeb676bfd14287a3e95c93a70b56072ddcea11cf16833042afd30dc4f8bffdb9
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SSDEEP
3072:OKa2gr8WEasuZ5EJ5ntCXGTlsVaYYfj9IL98sudv1:m2gxEashJ5nnTOUY4IxluF1
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3596 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 4664 urdvxc.exe 1604 urdvxc.exe 4568 urdvxc.exe 3596 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 12 IoCs
description ioc Process 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\Office16\PersonaSpy\tsbknceh.exe 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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM 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\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\rvhrjtnt.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\Java\jre-1.8\hcjzqenb.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html urdvxc.exe -
Modifies registry class 40 IoCs
description ioc Process 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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hknrlekvlzbhetbx" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "swjsevntzhvsnljb" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "wkszsejsrtclqktt" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DB68E2F3-4E87-E427-962C-09FAB2FF6D4A}\ = "wlctntzxtwjnkzsl" NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.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\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "lhwjsvletrkzljtk" 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\{DB68E2F3-4E87-E427-962C-09FAB2FF6D4A} NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DB68E2F3-4E87-E427-962C-09FAB2FF6D4A}\LocalServer32 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.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\{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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\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\{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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "xqrllnkhhskhchjk" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "rhtbtjlbhsllrqch" 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 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} 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\{DB68E2F3-4E87-E427-962C-09FAB2FF6D4A}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe" NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hekjvzbzcvsjtlej" 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}\ = "ljerbjwerzezthxv" 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}\ = "blbwlhnnknrsjjsv" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4664 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4404 wrote to memory of 4664 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 88 PID 4404 wrote to memory of 4664 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 88 PID 4404 wrote to memory of 4664 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 88 PID 4404 wrote to memory of 1604 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 90 PID 4404 wrote to memory of 1604 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 90 PID 4404 wrote to memory of 1604 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 90 PID 4404 wrote to memory of 3596 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 92 PID 4404 wrote to memory of 3596 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 92 PID 4404 wrote to memory of 3596 4404 NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4664
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:1604
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.271c071d8ed06eccf1f5b62c90fe3ab0.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:3596
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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:4568
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD5271c071d8ed06eccf1f5b62c90fe3ab0
SHA1c856307bb0ca96c4562e1c327d32e250b20e21b2
SHA25687adc06db503ef36662a702d567cf57e528156c518c04801bc8c8538a753d33a
SHA5128a81a0e5d7839330adbcf7f0ff5be19c8cda96fd959c6afcc501c68b774f5c7cdeb676bfd14287a3e95c93a70b56072ddcea11cf16833042afd30dc4f8bffdb9
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Filesize
119KB
MD5271c071d8ed06eccf1f5b62c90fe3ab0
SHA1c856307bb0ca96c4562e1c327d32e250b20e21b2
SHA25687adc06db503ef36662a702d567cf57e528156c518c04801bc8c8538a753d33a
SHA5128a81a0e5d7839330adbcf7f0ff5be19c8cda96fd959c6afcc501c68b774f5c7cdeb676bfd14287a3e95c93a70b56072ddcea11cf16833042afd30dc4f8bffdb9
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Filesize
119KB
MD5271c071d8ed06eccf1f5b62c90fe3ab0
SHA1c856307bb0ca96c4562e1c327d32e250b20e21b2
SHA25687adc06db503ef36662a702d567cf57e528156c518c04801bc8c8538a753d33a
SHA5128a81a0e5d7839330adbcf7f0ff5be19c8cda96fd959c6afcc501c68b774f5c7cdeb676bfd14287a3e95c93a70b56072ddcea11cf16833042afd30dc4f8bffdb9
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Filesize
119KB
MD5271c071d8ed06eccf1f5b62c90fe3ab0
SHA1c856307bb0ca96c4562e1c327d32e250b20e21b2
SHA25687adc06db503ef36662a702d567cf57e528156c518c04801bc8c8538a753d33a
SHA5128a81a0e5d7839330adbcf7f0ff5be19c8cda96fd959c6afcc501c68b774f5c7cdeb676bfd14287a3e95c93a70b56072ddcea11cf16833042afd30dc4f8bffdb9
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Filesize
119KB
MD5271c071d8ed06eccf1f5b62c90fe3ab0
SHA1c856307bb0ca96c4562e1c327d32e250b20e21b2
SHA25687adc06db503ef36662a702d567cf57e528156c518c04801bc8c8538a753d33a
SHA5128a81a0e5d7839330adbcf7f0ff5be19c8cda96fd959c6afcc501c68b774f5c7cdeb676bfd14287a3e95c93a70b56072ddcea11cf16833042afd30dc4f8bffdb9