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Analysis
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max time kernel
155s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2023, 17:36
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe
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Size
119KB
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MD5
53d258a277e6a093a68a307fd61a4e70
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SHA1
be8fb75651b4286adabeae75f9d6dfe4c75dc4c6
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SHA256
e6eb13f4cd55e6fa17400cf5c76f0e89121c7f66b24f210180dd5f50bae060ae
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SHA512
ef28da299da9f2640ba646679af83a6b9a31a7c00b3f72db864317412577f79889e25f7256d7d65f33aa241f1ff04cde2fe24829cca48f65398950129c02d51c
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SSDEEP
3072:SUx/m+TrFO0xfqUJaKYW37YPGymdp38Z24UhEz0tul0j:7/mgZxfWKYaY+TdpoUhEa
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4144 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 2684 urdvxc.exe 4404 urdvxc.exe 1604 urdvxc.exe 4144 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe -
Drops file in Program Files directory 9 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\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\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\Java\jre-1.8\Welcome.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\root\Office16\PersonaSpy\tsbknceh.exe urdvxc.exe -
Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "bczbxvenxeexqzbe" 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\{16489F6D-3855-DA13-1E70-A085376F16F8}\LocalServer32 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "twhehvhxkssscvbs" 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}\ = "netsellhkkjtlzjt" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16489F6D-3855-DA13-1E70-A085376F16F8}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe" NEAS.53d258a277e6a093a68a307fd61a4e70_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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "swhsxtseqwbqwwxx" 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}\LocalServer32 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "trslhwlxlnwnhzsh" 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\{16489F6D-3855-DA13-1E70-A085376F16F8} NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nnlkhnjcwrcbnbss" 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}\ = "tjbvjxjxenwtttlc" 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\{16489F6D-3855-DA13-1E70-A085376F16F8}\ = "ljckevnevrewxjcr" NEAS.53d258a277e6a093a68a307fd61a4e70_JC.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}\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\{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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nlwrlskjbksqkjrr" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2684 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 628 wrote to memory of 2684 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 88 PID 628 wrote to memory of 2684 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 88 PID 628 wrote to memory of 2684 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 88 PID 628 wrote to memory of 4404 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 90 PID 628 wrote to memory of 4404 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 90 PID 628 wrote to memory of 4404 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 90 PID 628 wrote to memory of 4144 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 94 PID 628 wrote to memory of 4144 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 94 PID 628 wrote to memory of 4144 628 NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:4404
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.53d258a277e6a093a68a307fd61a4e70_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:4144
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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:1604
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD553d258a277e6a093a68a307fd61a4e70
SHA1be8fb75651b4286adabeae75f9d6dfe4c75dc4c6
SHA256e6eb13f4cd55e6fa17400cf5c76f0e89121c7f66b24f210180dd5f50bae060ae
SHA512ef28da299da9f2640ba646679af83a6b9a31a7c00b3f72db864317412577f79889e25f7256d7d65f33aa241f1ff04cde2fe24829cca48f65398950129c02d51c
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Filesize
119KB
MD553d258a277e6a093a68a307fd61a4e70
SHA1be8fb75651b4286adabeae75f9d6dfe4c75dc4c6
SHA256e6eb13f4cd55e6fa17400cf5c76f0e89121c7f66b24f210180dd5f50bae060ae
SHA512ef28da299da9f2640ba646679af83a6b9a31a7c00b3f72db864317412577f79889e25f7256d7d65f33aa241f1ff04cde2fe24829cca48f65398950129c02d51c
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Filesize
119KB
MD553d258a277e6a093a68a307fd61a4e70
SHA1be8fb75651b4286adabeae75f9d6dfe4c75dc4c6
SHA256e6eb13f4cd55e6fa17400cf5c76f0e89121c7f66b24f210180dd5f50bae060ae
SHA512ef28da299da9f2640ba646679af83a6b9a31a7c00b3f72db864317412577f79889e25f7256d7d65f33aa241f1ff04cde2fe24829cca48f65398950129c02d51c
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Filesize
119KB
MD553d258a277e6a093a68a307fd61a4e70
SHA1be8fb75651b4286adabeae75f9d6dfe4c75dc4c6
SHA256e6eb13f4cd55e6fa17400cf5c76f0e89121c7f66b24f210180dd5f50bae060ae
SHA512ef28da299da9f2640ba646679af83a6b9a31a7c00b3f72db864317412577f79889e25f7256d7d65f33aa241f1ff04cde2fe24829cca48f65398950129c02d51c
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Filesize
119KB
MD553d258a277e6a093a68a307fd61a4e70
SHA1be8fb75651b4286adabeae75f9d6dfe4c75dc4c6
SHA256e6eb13f4cd55e6fa17400cf5c76f0e89121c7f66b24f210180dd5f50bae060ae
SHA512ef28da299da9f2640ba646679af83a6b9a31a7c00b3f72db864317412577f79889e25f7256d7d65f33aa241f1ff04cde2fe24829cca48f65398950129c02d51c