Analysis
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max time kernel
158s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2023, 19:04
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.309b02a02dd57a546270e32fade97600.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NEAS.309b02a02dd57a546270e32fade97600.exe
Resource
win10v2004-20231025-en
General
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Target
NEAS.309b02a02dd57a546270e32fade97600.exe
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Size
119KB
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MD5
309b02a02dd57a546270e32fade97600
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SHA1
303e0560d24eb9744ef535a9782d0da85751df8f
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SHA256
799f2e75ef56d1d32776d477cf64c2461d24d4dd866f93fa88b1d1646fa968a5
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SHA512
62c14f5515f4448231eebff6de4dcd93faa8670ff1af4e556b2bb96f5dedb46af916e2549b97f41eac61983c59fab81658bcb79cfe8ae82b715ca6ace0a1614f
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SSDEEP
3072:qiAzbV4Gkam9TLBNAuwOC9LpkIvVOoXxmLi0H:96bVM9TLBNAuwOULpT9OohmeI
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 5116 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 740 urdvxc.exe 4740 urdvxc.exe 2096 urdvxc.exe 5116 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.309b02a02dd57a546270e32fade97600.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.309b02a02dd57a546270e32fade97600.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File opened for modification C:\Program Files\ApproveRepair.shtml 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\rvhrjtnt.exe 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\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html urdvxc.exe File opened for modification C:\Program Files\RestoreShow.htm urdvxc.exe File opened for modification C:\Program Files\CompareDeny.xhtml urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.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\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\MCABOUT.HTM 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 -
Modifies registry class 40 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\{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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "rkeclknbbbtvllhk" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73023F54-CB0E-FECE-45FB-BAFF0AE655EB}\LocalServer32 NEAS.309b02a02dd57a546270e32fade97600.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} 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "tsnbhrwcttkjetnv" 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}\ = "rvvqjbebqrrxehbh" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "jecbhrrntrvkxljw" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{73023F54-CB0E-FECE-45FB-BAFF0AE655EB}\ = "rhrjvnxecvslrcke" NEAS.309b02a02dd57a546270e32fade97600.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\{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\{73023F54-CB0E-FECE-45FB-BAFF0AE655EB}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.309b02a02dd57a546270e32fade97600.exe" NEAS.309b02a02dd57a546270e32fade97600.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "chbsbjbsxeklbwrj" 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}\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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "jnnbbzsclhrrltex" 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\{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}\ = "enhzsjjltblrnent" 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\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "lhjjebtshnrhzejr" 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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "eeeqsnjvhjbtnhek" 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\{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\{73023F54-CB0E-FECE-45FB-BAFF0AE655EB} NEAS.309b02a02dd57a546270e32fade97600.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 740 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3436 wrote to memory of 740 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 88 PID 3436 wrote to memory of 740 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 88 PID 3436 wrote to memory of 740 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 88 PID 3436 wrote to memory of 4740 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 91 PID 3436 wrote to memory of 4740 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 91 PID 3436 wrote to memory of 4740 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 91 PID 3436 wrote to memory of 5116 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 96 PID 3436 wrote to memory of 5116 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 96 PID 3436 wrote to memory of 5116 3436 NEAS.309b02a02dd57a546270e32fade97600.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.309b02a02dd57a546270e32fade97600.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.309b02a02dd57a546270e32fade97600.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:740
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:4740
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.309b02a02dd57a546270e32fade97600.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:5116
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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:2096
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD5309b02a02dd57a546270e32fade97600
SHA1303e0560d24eb9744ef535a9782d0da85751df8f
SHA256799f2e75ef56d1d32776d477cf64c2461d24d4dd866f93fa88b1d1646fa968a5
SHA51262c14f5515f4448231eebff6de4dcd93faa8670ff1af4e556b2bb96f5dedb46af916e2549b97f41eac61983c59fab81658bcb79cfe8ae82b715ca6ace0a1614f
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Filesize
119KB
MD5309b02a02dd57a546270e32fade97600
SHA1303e0560d24eb9744ef535a9782d0da85751df8f
SHA256799f2e75ef56d1d32776d477cf64c2461d24d4dd866f93fa88b1d1646fa968a5
SHA51262c14f5515f4448231eebff6de4dcd93faa8670ff1af4e556b2bb96f5dedb46af916e2549b97f41eac61983c59fab81658bcb79cfe8ae82b715ca6ace0a1614f
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Filesize
119KB
MD5309b02a02dd57a546270e32fade97600
SHA1303e0560d24eb9744ef535a9782d0da85751df8f
SHA256799f2e75ef56d1d32776d477cf64c2461d24d4dd866f93fa88b1d1646fa968a5
SHA51262c14f5515f4448231eebff6de4dcd93faa8670ff1af4e556b2bb96f5dedb46af916e2549b97f41eac61983c59fab81658bcb79cfe8ae82b715ca6ace0a1614f
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Filesize
119KB
MD5309b02a02dd57a546270e32fade97600
SHA1303e0560d24eb9744ef535a9782d0da85751df8f
SHA256799f2e75ef56d1d32776d477cf64c2461d24d4dd866f93fa88b1d1646fa968a5
SHA51262c14f5515f4448231eebff6de4dcd93faa8670ff1af4e556b2bb96f5dedb46af916e2549b97f41eac61983c59fab81658bcb79cfe8ae82b715ca6ace0a1614f
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Filesize
119KB
MD5309b02a02dd57a546270e32fade97600
SHA1303e0560d24eb9744ef535a9782d0da85751df8f
SHA256799f2e75ef56d1d32776d477cf64c2461d24d4dd866f93fa88b1d1646fa968a5
SHA51262c14f5515f4448231eebff6de4dcd93faa8670ff1af4e556b2bb96f5dedb46af916e2549b97f41eac61983c59fab81658bcb79cfe8ae82b715ca6ace0a1614f