Analysis
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max time kernel
157s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
02/11/2023, 16:42
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.4a41e23de5078fe866d78bf18966fa60.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.4a41e23de5078fe866d78bf18966fa60.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.4a41e23de5078fe866d78bf18966fa60.exe
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Size
119KB
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MD5
4a41e23de5078fe866d78bf18966fa60
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SHA1
8b29fbd055871c921f0c8bd7142675b5492eb786
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SHA256
eb272575c4b99585cf5432b76d7296ea556c161532c13e12d16e02f6dbbdf8e6
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SHA512
be0393e32c6ebb90c69e8549e662581e2b630ed50dee327dc5c36c0de73a0a8c6d9d959f64441b4f730f8b795dc3124a8033e878fcee01843202b5670b1bb1db
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SSDEEP
3072:t85ufT4VEktvU0DGST9NikJ8ayk0j9AXO4dyq2c/wWuf5f:t0iwNdJd50jKO4dD27f9
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4760 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 1652 urdvxc.exe 3528 urdvxc.exe 4976 urdvxc.exe 4760 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.4a41e23de5078fe866d78bf18966fa60.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.4a41e23de5078fe866d78bf18966fa60.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\jdk-1.8\README.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\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\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\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\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.exe urdvxc.exe -
Modifies registry class 40 IoCs
description ioc Process 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}\ = "brjsvbjtktslenwq" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "jskerebbszkhvenl" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7711CCBA-488B-2CEC-447E-19A522D289B9} NEAS.4a41e23de5078fe866d78bf18966fa60.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7711CCBA-488B-2CEC-447E-19A522D289B9}\ = "tlxkscbktxcrtzzt" NEAS.4a41e23de5078fe866d78bf18966fa60.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hrvnskbjjeecelbr" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "rsblkstbnjjwnjhn" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 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}\ = "tnhetjbkjehtbhet" 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\{5DA7E191-3518-8C5E-DAD0-E316016B7509} 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\{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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "bnslxxlhhvkwtbel" 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\{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\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7711CCBA-488B-2CEC-447E-19A522D289B9}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.4a41e23de5078fe866d78bf18966fa60.exe" NEAS.4a41e23de5078fe866d78bf18966fa60.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\{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\{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\{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 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}\ = "jqssqcsvsrekkjen" 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\{7711CCBA-488B-2CEC-447E-19A522D289B9}\LocalServer32 NEAS.4a41e23de5078fe866d78bf18966fa60.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "llkbetjljllxkjlx" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "qrtwxvlcjtrjlnrx" 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 1652 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3468 wrote to memory of 1652 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 88 PID 3468 wrote to memory of 1652 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 88 PID 3468 wrote to memory of 1652 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 88 PID 3468 wrote to memory of 3528 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 90 PID 3468 wrote to memory of 3528 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 90 PID 3468 wrote to memory of 3528 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 90 PID 3468 wrote to memory of 4760 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 93 PID 3468 wrote to memory of 4760 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 93 PID 3468 wrote to memory of 4760 3468 NEAS.4a41e23de5078fe866d78bf18966fa60.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.4a41e23de5078fe866d78bf18966fa60.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.4a41e23de5078fe866d78bf18966fa60.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1652
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:3528
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.4a41e23de5078fe866d78bf18966fa60.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:4760
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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:4976
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD54a41e23de5078fe866d78bf18966fa60
SHA18b29fbd055871c921f0c8bd7142675b5492eb786
SHA256eb272575c4b99585cf5432b76d7296ea556c161532c13e12d16e02f6dbbdf8e6
SHA512be0393e32c6ebb90c69e8549e662581e2b630ed50dee327dc5c36c0de73a0a8c6d9d959f64441b4f730f8b795dc3124a8033e878fcee01843202b5670b1bb1db
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Filesize
119KB
MD54a41e23de5078fe866d78bf18966fa60
SHA18b29fbd055871c921f0c8bd7142675b5492eb786
SHA256eb272575c4b99585cf5432b76d7296ea556c161532c13e12d16e02f6dbbdf8e6
SHA512be0393e32c6ebb90c69e8549e662581e2b630ed50dee327dc5c36c0de73a0a8c6d9d959f64441b4f730f8b795dc3124a8033e878fcee01843202b5670b1bb1db
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Filesize
119KB
MD54a41e23de5078fe866d78bf18966fa60
SHA18b29fbd055871c921f0c8bd7142675b5492eb786
SHA256eb272575c4b99585cf5432b76d7296ea556c161532c13e12d16e02f6dbbdf8e6
SHA512be0393e32c6ebb90c69e8549e662581e2b630ed50dee327dc5c36c0de73a0a8c6d9d959f64441b4f730f8b795dc3124a8033e878fcee01843202b5670b1bb1db
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Filesize
119KB
MD54a41e23de5078fe866d78bf18966fa60
SHA18b29fbd055871c921f0c8bd7142675b5492eb786
SHA256eb272575c4b99585cf5432b76d7296ea556c161532c13e12d16e02f6dbbdf8e6
SHA512be0393e32c6ebb90c69e8549e662581e2b630ed50dee327dc5c36c0de73a0a8c6d9d959f64441b4f730f8b795dc3124a8033e878fcee01843202b5670b1bb1db
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Filesize
119KB
MD54a41e23de5078fe866d78bf18966fa60
SHA18b29fbd055871c921f0c8bd7142675b5492eb786
SHA256eb272575c4b99585cf5432b76d7296ea556c161532c13e12d16e02f6dbbdf8e6
SHA512be0393e32c6ebb90c69e8549e662581e2b630ed50dee327dc5c36c0de73a0a8c6d9d959f64441b4f730f8b795dc3124a8033e878fcee01843202b5670b1bb1db