Analysis
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max time kernel
153s -
max time network
168s -
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.c18187094b367e940668932dee285eb0_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.c18187094b367e940668932dee285eb0_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.c18187094b367e940668932dee285eb0_JC.exe
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Size
119KB
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MD5
c18187094b367e940668932dee285eb0
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SHA1
1678417c2db7ade992e7ebe6b2cd0323f778e26b
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SHA256
175a64883b03ffd1b21105812807a62cbd99b0a985f034399d70203388a81203
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SHA512
befb4bfd4f0996eacf70e7a645b4d38ea44273611bff8c1af1b691fe06cb7df995e28e99ec321b67e12d5d473b7903332ce9b66723829a56fcf8fd603e6a61cf
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SSDEEP
3072:aH8E4CeBLHfYzhz+cuFcdVyaEXsOoHvFwY6i0WDV:aH8vRBMFzbCGVUXsBHBSO
Malware Config
Signatures
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Contacts a large (529) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Deletes itself 1 IoCs
pid Process 2360 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 2412 urdvxc.exe 1612 urdvxc.exe 1904 urdvxc.exe 2360 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.c18187094b367e940668932dee285eb0_JC.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.c18187094b367e940668932dee285eb0_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\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\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\hcjzqenb.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\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\jre-1.8\Welcome.html 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 -
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 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "henrthxjvwjzjker" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} 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\{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\{A5B3858D-4A48-8ACD-33B6-4F335A8829DA}\ = "nvjtncbcskttjvrk" NEAS.c18187094b367e940668932dee285eb0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B3858D-4A48-8ACD-33B6-4F335A8829DA}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.c18187094b367e940668932dee285eb0_JC.exe" NEAS.c18187094b367e940668932dee285eb0_JC.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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "sjeknnhccswnjljx" 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} 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}\ = "etxskrsxehqlvncc" 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\{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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 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\{A5B3858D-4A48-8ACD-33B6-4F335A8829DA} NEAS.c18187094b367e940668932dee285eb0_JC.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B3858D-4A48-8ACD-33B6-4F335A8829DA}\LocalServer32 NEAS.c18187094b367e940668932dee285eb0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "zwejwbleqllxnbnt" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "bhklckktsnkhlchs" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "hwzvrlkltthtjjhe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "jktvbrhzkjblhchj" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "krlnkbtssxebstrv" 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}\ = "jenskrjnjkswhnbv" 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}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2412 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3436 wrote to memory of 2412 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 89 PID 3436 wrote to memory of 2412 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 89 PID 3436 wrote to memory of 2412 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 89 PID 3436 wrote to memory of 1612 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 91 PID 3436 wrote to memory of 1612 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 91 PID 3436 wrote to memory of 1612 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 91 PID 3436 wrote to memory of 2360 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 96 PID 3436 wrote to memory of 2360 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 96 PID 3436 wrote to memory of 2360 3436 NEAS.c18187094b367e940668932dee285eb0_JC.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.c18187094b367e940668932dee285eb0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.c18187094b367e940668932dee285eb0_JC.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:2412
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:1612
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.c18187094b367e940668932dee285eb0_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:2360
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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:1904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
119KB
MD5c18187094b367e940668932dee285eb0
SHA11678417c2db7ade992e7ebe6b2cd0323f778e26b
SHA256175a64883b03ffd1b21105812807a62cbd99b0a985f034399d70203388a81203
SHA512befb4bfd4f0996eacf70e7a645b4d38ea44273611bff8c1af1b691fe06cb7df995e28e99ec321b67e12d5d473b7903332ce9b66723829a56fcf8fd603e6a61cf
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Filesize
119KB
MD5c18187094b367e940668932dee285eb0
SHA11678417c2db7ade992e7ebe6b2cd0323f778e26b
SHA256175a64883b03ffd1b21105812807a62cbd99b0a985f034399d70203388a81203
SHA512befb4bfd4f0996eacf70e7a645b4d38ea44273611bff8c1af1b691fe06cb7df995e28e99ec321b67e12d5d473b7903332ce9b66723829a56fcf8fd603e6a61cf
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Filesize
119KB
MD5c18187094b367e940668932dee285eb0
SHA11678417c2db7ade992e7ebe6b2cd0323f778e26b
SHA256175a64883b03ffd1b21105812807a62cbd99b0a985f034399d70203388a81203
SHA512befb4bfd4f0996eacf70e7a645b4d38ea44273611bff8c1af1b691fe06cb7df995e28e99ec321b67e12d5d473b7903332ce9b66723829a56fcf8fd603e6a61cf
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Filesize
119KB
MD5c18187094b367e940668932dee285eb0
SHA11678417c2db7ade992e7ebe6b2cd0323f778e26b
SHA256175a64883b03ffd1b21105812807a62cbd99b0a985f034399d70203388a81203
SHA512befb4bfd4f0996eacf70e7a645b4d38ea44273611bff8c1af1b691fe06cb7df995e28e99ec321b67e12d5d473b7903332ce9b66723829a56fcf8fd603e6a61cf
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Filesize
119KB
MD5c18187094b367e940668932dee285eb0
SHA11678417c2db7ade992e7ebe6b2cd0323f778e26b
SHA256175a64883b03ffd1b21105812807a62cbd99b0a985f034399d70203388a81203
SHA512befb4bfd4f0996eacf70e7a645b4d38ea44273611bff8c1af1b691fe06cb7df995e28e99ec321b67e12d5d473b7903332ce9b66723829a56fcf8fd603e6a61cf