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Analysis
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max time kernel
163s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2023, 17:33
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.672cec027d25910940f2bfe196585850.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.672cec027d25910940f2bfe196585850.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.672cec027d25910940f2bfe196585850.exe
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Size
119KB
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MD5
672cec027d25910940f2bfe196585850
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SHA1
42e0e603a139d0ff93523079e7cdb48e8eb4ab0c
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SHA256
50333b560799675ff250d3ed7730f207e05c38d3acec51da740ae77cf47da19b
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SHA512
3173ded181ff086e2108412212a09b5a4d16cc189cbde8c4de6d0ad1d1af654f55a52e2b31a9c9809c7a6b3fc328cf4f9330a79e7819c77a69670a2e3d7a7037
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SSDEEP
3072:baLpjF+4GqbQStXOBeue+m9xBGgxHIeMQzuYXHi:bap04J5a1e+cggueMQNXC
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2416 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 1972 urdvxc.exe 3580 urdvxc.exe 4280 urdvxc.exe 2416 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.672cec027d25910940f2bfe196585850.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe NEAS.672cec027d25910940f2bfe196585850.exe -
Drops file in Program Files directory 13 IoCs
description ioc Process 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 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\tsbknceh.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\UseInvoke.mhtml 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\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 -
Modifies registry class 40 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "tsshcknesvenxelb" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "lzqnshqqjbzlqkkh" 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}\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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "vstxvhqjeskrxrth" 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} 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}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\jre\\revhnlhn.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\{BABEF000-13E8-95BF-451E-E8EDA9F49D23}\ = "qqnwnbzkbhcsjret" NEAS.672cec027d25910940f2bfe196585850.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ntttnblxzvnbjlrl" 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} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "skjevxbqnhlnlntl" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "ltqkrhekkbqqvvtk" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BABEF000-13E8-95BF-451E-E8EDA9F49D23} NEAS.672cec027d25910940f2bfe196585850.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\{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\{BABEF000-13E8-95BF-451E-E8EDA9F49D23}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.672cec027d25910940f2bfe196585850.exe" NEAS.672cec027d25910940f2bfe196585850.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "vlstsvxkrwcehjlk" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "bqrssheqqztnkjrh" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BABEF000-13E8-95BF-451E-E8EDA9F49D23}\LocalServer32 NEAS.672cec027d25910940f2bfe196585850.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "bsjsbrrkbxbzhhsh" 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} 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}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" 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\{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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\Office16\\PersonaSpy\\tsbknceh.exe" urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1972 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 560 wrote to memory of 1972 560 NEAS.672cec027d25910940f2bfe196585850.exe 88 PID 560 wrote to memory of 1972 560 NEAS.672cec027d25910940f2bfe196585850.exe 88 PID 560 wrote to memory of 1972 560 NEAS.672cec027d25910940f2bfe196585850.exe 88 PID 560 wrote to memory of 3580 560 NEAS.672cec027d25910940f2bfe196585850.exe 90 PID 560 wrote to memory of 3580 560 NEAS.672cec027d25910940f2bfe196585850.exe 90 PID 560 wrote to memory of 3580 560 NEAS.672cec027d25910940f2bfe196585850.exe 90 PID 560 wrote to memory of 2416 560 NEAS.672cec027d25910940f2bfe196585850.exe 93 PID 560 wrote to memory of 2416 560 NEAS.672cec027d25910940f2bfe196585850.exe 93 PID 560 wrote to memory of 2416 560 NEAS.672cec027d25910940f2bfe196585850.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.672cec027d25910940f2bfe196585850.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.672cec027d25910940f2bfe196585850.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:3580
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.672cec027d25910940f2bfe196585850.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:2416
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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:4280
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD5672cec027d25910940f2bfe196585850
SHA142e0e603a139d0ff93523079e7cdb48e8eb4ab0c
SHA25650333b560799675ff250d3ed7730f207e05c38d3acec51da740ae77cf47da19b
SHA5123173ded181ff086e2108412212a09b5a4d16cc189cbde8c4de6d0ad1d1af654f55a52e2b31a9c9809c7a6b3fc328cf4f9330a79e7819c77a69670a2e3d7a7037
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Filesize
119KB
MD5672cec027d25910940f2bfe196585850
SHA142e0e603a139d0ff93523079e7cdb48e8eb4ab0c
SHA25650333b560799675ff250d3ed7730f207e05c38d3acec51da740ae77cf47da19b
SHA5123173ded181ff086e2108412212a09b5a4d16cc189cbde8c4de6d0ad1d1af654f55a52e2b31a9c9809c7a6b3fc328cf4f9330a79e7819c77a69670a2e3d7a7037
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Filesize
119KB
MD5672cec027d25910940f2bfe196585850
SHA142e0e603a139d0ff93523079e7cdb48e8eb4ab0c
SHA25650333b560799675ff250d3ed7730f207e05c38d3acec51da740ae77cf47da19b
SHA5123173ded181ff086e2108412212a09b5a4d16cc189cbde8c4de6d0ad1d1af654f55a52e2b31a9c9809c7a6b3fc328cf4f9330a79e7819c77a69670a2e3d7a7037
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Filesize
119KB
MD5672cec027d25910940f2bfe196585850
SHA142e0e603a139d0ff93523079e7cdb48e8eb4ab0c
SHA25650333b560799675ff250d3ed7730f207e05c38d3acec51da740ae77cf47da19b
SHA5123173ded181ff086e2108412212a09b5a4d16cc189cbde8c4de6d0ad1d1af654f55a52e2b31a9c9809c7a6b3fc328cf4f9330a79e7819c77a69670a2e3d7a7037
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Filesize
119KB
MD5672cec027d25910940f2bfe196585850
SHA142e0e603a139d0ff93523079e7cdb48e8eb4ab0c
SHA25650333b560799675ff250d3ed7730f207e05c38d3acec51da740ae77cf47da19b
SHA5123173ded181ff086e2108412212a09b5a4d16cc189cbde8c4de6d0ad1d1af654f55a52e2b31a9c9809c7a6b3fc328cf4f9330a79e7819c77a69670a2e3d7a7037