Analysis
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max time kernel
153s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
02-11-2023 16:04
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe
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Size
119KB
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MD5
78c5662b0e1af93c47a78cda87a959a0
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SHA1
0b89b2d6be2327c120259b4b3873af5ece361cdb
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SHA256
2772fc1269daf150b73eafa4bcb3b7241a73f4e03d3a15363604e575bfce2c76
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SHA512
de08347053b76333128700a61697f2ed1a3cc96296b48a7d4b958a5a5d62b3287fcbb815a3c8ddbb758ea1f7eaf65822f11ca2ac38df792abac81bff1a145cfa
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SSDEEP
3072:Bjuhx/GMQLSboHfkLnUcOgj2uwFYScb0Bpq:QP+7SbQfkLnlOC2uw++K
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4220 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 4800 urdvxc.exe 2788 urdvxc.exe 4776 urdvxc.exe 4220 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe -
Drops file in Program Files directory 12 IoCs
description ioc Process 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\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 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 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\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\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 -
Modifies registry class 40 IoCs
description ioc Process 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\{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}\LocalServer32\ = "C:\\Program Files\\Java\\jre-1.8\\hcjzqenb.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "etsjhserjrtsvhqt" 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} 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "bnhelnctcxbhcjhq" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "lqnwelbrnbntsctn" 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}\ = "tjcsqnbnebtrbrrk" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "eeklljjhqktcnclb" 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "nxxjtzrklncrekre" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{881037BF-C0B7-EAD9-653E-FD43F580FD82}\LocalServer32 NEAS.78c5662b0e1af93c47a78cda87a959a0_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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{881037BF-C0B7-EAD9-653E-FD43F580FD82}\ = "nesqstkjeqnzjeew" NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{881037BF-C0B7-EAD9-653E-FD43F580FD82}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe" NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "kltklxtjtnernbet" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "rjtzsjqxkbheqebs" 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}\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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "hkwzcnnhwqewsckt" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{881037BF-C0B7-EAD9-653E-FD43F580FD82} NEAS.78c5662b0e1af93c47a78cda87a959a0_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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4800 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2920 wrote to memory of 4800 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 91 PID 2920 wrote to memory of 4800 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 91 PID 2920 wrote to memory of 4800 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 91 PID 2920 wrote to memory of 2788 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 92 PID 2920 wrote to memory of 2788 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 92 PID 2920 wrote to memory of 2788 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 92 PID 2920 wrote to memory of 4220 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 94 PID 2920 wrote to memory of 4220 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 94 PID 2920 wrote to memory of 4220 2920 NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4800
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:2788
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.78c5662b0e1af93c47a78cda87a959a0_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:4220
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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:4776
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
119KB
MD578c5662b0e1af93c47a78cda87a959a0
SHA10b89b2d6be2327c120259b4b3873af5ece361cdb
SHA2562772fc1269daf150b73eafa4bcb3b7241a73f4e03d3a15363604e575bfce2c76
SHA512de08347053b76333128700a61697f2ed1a3cc96296b48a7d4b958a5a5d62b3287fcbb815a3c8ddbb758ea1f7eaf65822f11ca2ac38df792abac81bff1a145cfa
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Filesize
119KB
MD578c5662b0e1af93c47a78cda87a959a0
SHA10b89b2d6be2327c120259b4b3873af5ece361cdb
SHA2562772fc1269daf150b73eafa4bcb3b7241a73f4e03d3a15363604e575bfce2c76
SHA512de08347053b76333128700a61697f2ed1a3cc96296b48a7d4b958a5a5d62b3287fcbb815a3c8ddbb758ea1f7eaf65822f11ca2ac38df792abac81bff1a145cfa
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Filesize
119KB
MD578c5662b0e1af93c47a78cda87a959a0
SHA10b89b2d6be2327c120259b4b3873af5ece361cdb
SHA2562772fc1269daf150b73eafa4bcb3b7241a73f4e03d3a15363604e575bfce2c76
SHA512de08347053b76333128700a61697f2ed1a3cc96296b48a7d4b958a5a5d62b3287fcbb815a3c8ddbb758ea1f7eaf65822f11ca2ac38df792abac81bff1a145cfa
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Filesize
119KB
MD578c5662b0e1af93c47a78cda87a959a0
SHA10b89b2d6be2327c120259b4b3873af5ece361cdb
SHA2562772fc1269daf150b73eafa4bcb3b7241a73f4e03d3a15363604e575bfce2c76
SHA512de08347053b76333128700a61697f2ed1a3cc96296b48a7d4b958a5a5d62b3287fcbb815a3c8ddbb758ea1f7eaf65822f11ca2ac38df792abac81bff1a145cfa
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Filesize
119KB
MD578c5662b0e1af93c47a78cda87a959a0
SHA10b89b2d6be2327c120259b4b3873af5ece361cdb
SHA2562772fc1269daf150b73eafa4bcb3b7241a73f4e03d3a15363604e575bfce2c76
SHA512de08347053b76333128700a61697f2ed1a3cc96296b48a7d4b958a5a5d62b3287fcbb815a3c8ddbb758ea1f7eaf65822f11ca2ac38df792abac81bff1a145cfa