Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2023, 12:22
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe
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Size
119KB
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MD5
e8ef3b891eb1672d1f7b648c4fa11a20
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SHA1
0af03886eb15ebdb6fc347ca4da43a27982be5e4
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SHA256
e246ecac9bf4d0b2568a5577eaa01cd894c01df24d662067598f6582749df9cb
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SHA512
825043f76fae23e1a6512fd639bc1ad1ba01a800d7b2182f80257c3aaf301d7bd80b5764d10d9de950177d2daa1aa8a8e21c3e96d6b0ba0baeba49dd59d546ab
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SSDEEP
3072:lJMjgRed6e3at9vtmpsu/jBWUMMTf9mBXRw/Ob5Ah4gikoqH7p:lJy9okZbBR79m759Aeg/oC
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1584 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 3664 urdvxc.exe 4196 urdvxc.exe 2052 urdvxc.exe 1584 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe -
Drops file in Program Files directory 13 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\Java\jdk-1.8\chllsvtv.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\ExportApprove.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\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.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\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\Office16\OSPP.HTM 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 40 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "rzbejeerwsltvhlk" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "krhenbnhzkcznwsw" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "jrckjtnqwhhbzcse" 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\{3074AAA6-BCA5-1D23-682D-2F2BFD5B9363}\LocalServer32 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "rkvsbkbvkenxwwhl" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3074AAA6-BCA5-1D23-682D-2F2BFD5B9363}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe" NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.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}\ = "bttwsjvehrtjqbkn" 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\{3074AAA6-BCA5-1D23-682D-2F2BFD5B9363}\ = "svzlqbhbhnbwsxbt" NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.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} 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\{3074AAA6-BCA5-1D23-682D-2F2BFD5B9363} NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.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}\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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "bvrllrbjtltrjxss" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "revnjjrnsnsjtjnw" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "kzrczbkcsxjtltqh" 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "krvhbjlkxtrbbjqs" 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 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3664 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2532 wrote to memory of 3664 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 87 PID 2532 wrote to memory of 3664 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 87 PID 2532 wrote to memory of 3664 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 87 PID 2532 wrote to memory of 4196 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 89 PID 2532 wrote to memory of 4196 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 89 PID 2532 wrote to memory of 4196 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 89 PID 2532 wrote to memory of 1584 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 93 PID 2532 wrote to memory of 1584 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 93 PID 2532 wrote to memory of 1584 2532 NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3664
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:4196
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.e8ef3b891eb1672d1f7b648c4fa11a20.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:1584
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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:2052
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
119KB
MD5e8ef3b891eb1672d1f7b648c4fa11a20
SHA10af03886eb15ebdb6fc347ca4da43a27982be5e4
SHA256e246ecac9bf4d0b2568a5577eaa01cd894c01df24d662067598f6582749df9cb
SHA512825043f76fae23e1a6512fd639bc1ad1ba01a800d7b2182f80257c3aaf301d7bd80b5764d10d9de950177d2daa1aa8a8e21c3e96d6b0ba0baeba49dd59d546ab
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Filesize
119KB
MD5e8ef3b891eb1672d1f7b648c4fa11a20
SHA10af03886eb15ebdb6fc347ca4da43a27982be5e4
SHA256e246ecac9bf4d0b2568a5577eaa01cd894c01df24d662067598f6582749df9cb
SHA512825043f76fae23e1a6512fd639bc1ad1ba01a800d7b2182f80257c3aaf301d7bd80b5764d10d9de950177d2daa1aa8a8e21c3e96d6b0ba0baeba49dd59d546ab
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Filesize
119KB
MD5e8ef3b891eb1672d1f7b648c4fa11a20
SHA10af03886eb15ebdb6fc347ca4da43a27982be5e4
SHA256e246ecac9bf4d0b2568a5577eaa01cd894c01df24d662067598f6582749df9cb
SHA512825043f76fae23e1a6512fd639bc1ad1ba01a800d7b2182f80257c3aaf301d7bd80b5764d10d9de950177d2daa1aa8a8e21c3e96d6b0ba0baeba49dd59d546ab
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Filesize
119KB
MD5e8ef3b891eb1672d1f7b648c4fa11a20
SHA10af03886eb15ebdb6fc347ca4da43a27982be5e4
SHA256e246ecac9bf4d0b2568a5577eaa01cd894c01df24d662067598f6582749df9cb
SHA512825043f76fae23e1a6512fd639bc1ad1ba01a800d7b2182f80257c3aaf301d7bd80b5764d10d9de950177d2daa1aa8a8e21c3e96d6b0ba0baeba49dd59d546ab
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Filesize
119KB
MD5e8ef3b891eb1672d1f7b648c4fa11a20
SHA10af03886eb15ebdb6fc347ca4da43a27982be5e4
SHA256e246ecac9bf4d0b2568a5577eaa01cd894c01df24d662067598f6582749df9cb
SHA512825043f76fae23e1a6512fd639bc1ad1ba01a800d7b2182f80257c3aaf301d7bd80b5764d10d9de950177d2daa1aa8a8e21c3e96d6b0ba0baeba49dd59d546ab