Analysis
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max time kernel
79s -
max time network
87s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
02-11-2023 20:57
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe
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Size
119KB
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MD5
ca0247820e5d3b17fcd516e69fc8eed0
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SHA1
d8c7cb3ba4abd22c41dd12c41048e7de29ee47a8
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SHA256
27d84b2d28649ee751c60838a8a2fb223696eb19b0a1478bd87aa2af6587179b
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SHA512
3c6802c926b77369ed1ea07ce302ba8e95e9badfc6bbc2c5c3c8df14b64e123578c10f3b16ae95dcc06f3594b8b1f77a977eb573d80106481f80661ec817e3a6
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SSDEEP
1536:HqXQ+I6lwxQAAQrqp22qnqa32O3QftRCufyskhqV5t3J+6awMX6UwPQLl3HnG0mV:HS06lSQ/Qf2OfQftNvVrZuwMQPKoGL6
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3380 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 4892 urdvxc.exe 2100 urdvxc.exe 4732 urdvxc.exe 3380 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 11 IoCs
description ioc Process 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\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\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\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.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\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\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 -
Modifies registry class 36 IoCs
description ioc Process 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}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F5712842-D69A-0540-E7FA-260C0301EEBC} NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F5712842-D69A-0540-E7FA-260C0301EEBC}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe" NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hsknnexerrnnhtrn" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ztjhrtkksxkckbxj" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "jshtwnnlklbxervt" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "jhtnettqrrhvvteh" 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\{F5712842-D69A-0540-E7FA-260C0301EEBC}\ = "hnsxbbwlxnxrkjbc" NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "vbhbkwkbnxcelbvq" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "jzjnlsszzwhbslzt" 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\{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\{F5712842-D69A-0540-E7FA-260C0301EEBC}\LocalServer32 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.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\{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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} 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\{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}\ = "sqxlljcjhetcrtws" 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "rcjslcklhnjkbhkc" 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} 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 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4892 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4976 wrote to memory of 4892 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 90 PID 4976 wrote to memory of 4892 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 90 PID 4976 wrote to memory of 4892 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 90 PID 4976 wrote to memory of 2100 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 91 PID 4976 wrote to memory of 2100 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 91 PID 4976 wrote to memory of 2100 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 91 PID 4976 wrote to memory of 3380 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 94 PID 4976 wrote to memory of 3380 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 94 PID 4976 wrote to memory of 3380 4976 NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4892
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:2100
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.ca0247820e5d3b17fcd516e69fc8eed0_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:3380
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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:4732
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD5ca0247820e5d3b17fcd516e69fc8eed0
SHA1d8c7cb3ba4abd22c41dd12c41048e7de29ee47a8
SHA25627d84b2d28649ee751c60838a8a2fb223696eb19b0a1478bd87aa2af6587179b
SHA5123c6802c926b77369ed1ea07ce302ba8e95e9badfc6bbc2c5c3c8df14b64e123578c10f3b16ae95dcc06f3594b8b1f77a977eb573d80106481f80661ec817e3a6
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Filesize
119KB
MD5ca0247820e5d3b17fcd516e69fc8eed0
SHA1d8c7cb3ba4abd22c41dd12c41048e7de29ee47a8
SHA25627d84b2d28649ee751c60838a8a2fb223696eb19b0a1478bd87aa2af6587179b
SHA5123c6802c926b77369ed1ea07ce302ba8e95e9badfc6bbc2c5c3c8df14b64e123578c10f3b16ae95dcc06f3594b8b1f77a977eb573d80106481f80661ec817e3a6
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Filesize
119KB
MD5ca0247820e5d3b17fcd516e69fc8eed0
SHA1d8c7cb3ba4abd22c41dd12c41048e7de29ee47a8
SHA25627d84b2d28649ee751c60838a8a2fb223696eb19b0a1478bd87aa2af6587179b
SHA5123c6802c926b77369ed1ea07ce302ba8e95e9badfc6bbc2c5c3c8df14b64e123578c10f3b16ae95dcc06f3594b8b1f77a977eb573d80106481f80661ec817e3a6
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Filesize
119KB
MD5ca0247820e5d3b17fcd516e69fc8eed0
SHA1d8c7cb3ba4abd22c41dd12c41048e7de29ee47a8
SHA25627d84b2d28649ee751c60838a8a2fb223696eb19b0a1478bd87aa2af6587179b
SHA5123c6802c926b77369ed1ea07ce302ba8e95e9badfc6bbc2c5c3c8df14b64e123578c10f3b16ae95dcc06f3594b8b1f77a977eb573d80106481f80661ec817e3a6
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Filesize
119KB
MD5ca0247820e5d3b17fcd516e69fc8eed0
SHA1d8c7cb3ba4abd22c41dd12c41048e7de29ee47a8
SHA25627d84b2d28649ee751c60838a8a2fb223696eb19b0a1478bd87aa2af6587179b
SHA5123c6802c926b77369ed1ea07ce302ba8e95e9badfc6bbc2c5c3c8df14b64e123578c10f3b16ae95dcc06f3594b8b1f77a977eb573d80106481f80661ec817e3a6