Analysis
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max time kernel
166s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
01/11/2023, 21:46
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe
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Size
119KB
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MD5
b581c92f7452edada39080e1b2f0bec0
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SHA1
6cbb89979c3c93a8d3dae48ce24317c355f74bd4
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SHA256
7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8
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SHA512
13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436
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SSDEEP
1536:wtZTiycMM6UQADwWjKyXfKOZdTTBsZQvmpfulq8iJjQsECtxav7SJb5wAB7l0g/Z:IRaQUwWu9O/TAlpfgqxEsEg8S91/MU
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2368 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 2236 urdvxc.exe 3052 urdvxc.exe 1280 urdvxc.exe 2368 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.b581c92f7452edada39080e1b2f0bec0_JC.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\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\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\README.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\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 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 -
Modifies registry class 40 IoCs
description ioc Process 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 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}\LocalServer32 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} 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}\ = "xsstzsqrbkjnhttt" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "jltvwktbqwhvchks" 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 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{77657B14-5F59-25A5-E5F9-AFC8E67CD320}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe" NEAS.b581c92f7452edada39080e1b2f0bec0_JC.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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "shrssrrtcnzlzsck" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "xjzteqjtrxnnvkjr" 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}\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\{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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "sbjwkjlxesrnnese" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{77657B14-5F59-25A5-E5F9-AFC8E67CD320} NEAS.b581c92f7452edada39080e1b2f0bec0_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\{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}\ = "jjntttvkreneneck" 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} 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\{77657B14-5F59-25A5-E5F9-AFC8E67CD320}\LocalServer32 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.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}\ = "ltbzkbhwvnknkljk" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "rhkrhtetxqkerjlk" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "lhxzbbzktkeznrjv" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{77657B14-5F59-25A5-E5F9-AFC8E67CD320}\ = "hjkqrsnnvqtthhnt" NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2236 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4548 wrote to memory of 2236 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 93 PID 4548 wrote to memory of 2236 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 93 PID 4548 wrote to memory of 2236 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 93 PID 4548 wrote to memory of 3052 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 94 PID 4548 wrote to memory of 3052 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 94 PID 4548 wrote to memory of 3052 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 94 PID 4548 wrote to memory of 2368 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 96 PID 4548 wrote to memory of 2368 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 96 PID 4548 wrote to memory of 2368 4548 NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2236
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:3052
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:2368
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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:1280
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD5b581c92f7452edada39080e1b2f0bec0
SHA16cbb89979c3c93a8d3dae48ce24317c355f74bd4
SHA2567585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8
SHA51213bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436
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Filesize
119KB
MD5b581c92f7452edada39080e1b2f0bec0
SHA16cbb89979c3c93a8d3dae48ce24317c355f74bd4
SHA2567585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8
SHA51213bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436
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Filesize
119KB
MD5b581c92f7452edada39080e1b2f0bec0
SHA16cbb89979c3c93a8d3dae48ce24317c355f74bd4
SHA2567585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8
SHA51213bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436
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Filesize
119KB
MD5b581c92f7452edada39080e1b2f0bec0
SHA16cbb89979c3c93a8d3dae48ce24317c355f74bd4
SHA2567585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8
SHA51213bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436
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Filesize
119KB
MD5b581c92f7452edada39080e1b2f0bec0
SHA16cbb89979c3c93a8d3dae48ce24317c355f74bd4
SHA2567585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8
SHA51213bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436