Analysis
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max time kernel
157s -
max time network
163s -
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, 06:47
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.bca2c07fd5caf916216d2553fca6bde0.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NEAS.bca2c07fd5caf916216d2553fca6bde0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.bca2c07fd5caf916216d2553fca6bde0.exe
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Size
119KB
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MD5
bca2c07fd5caf916216d2553fca6bde0
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SHA1
e6eb3102a459f4ae8e1898bd32e5b26459c542df
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SHA256
302837bce5c2f1f49c35b136b75df97892f0bf7b4e809d6bdc86d94c5f5202cd
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SHA512
b152e99164976ab16bc620932571f9777c6283fbd112e3d3bdcab141b5f062ee86a5263a28ee34325e88c1e3baa253851f59d80c2c5467eadf375dc6b456c213
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SSDEEP
3072:Z+42n9Bfy9dArM3HLGHWyUnZsb9gc3YWya:ZMnqAQHB+9hjya
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3864 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 4108 urdvxc.exe 1552 urdvxc.exe 892 urdvxc.exe 3864 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.bca2c07fd5caf916216d2553fca6bde0.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.bca2c07fd5caf916216d2553fca6bde0.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\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\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\jdk-1.8\chllsvtv.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\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\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\Java\jre-1.8\hcjzqenb.exe urdvxc.exe -
Modifies registry class 40 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32 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}\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}\ = "ejctzetchxkqjkek" 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 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "vcetqkelrzbkezxw" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "jsllsvjklqbrjewt" 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\{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}\ = "rwtctkchjhsxbttn" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBA58FEE-81E1-70AD-903F-3E74213EA143}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.bca2c07fd5caf916216d2553fca6bde0.exe" NEAS.bca2c07fd5caf916216d2553fca6bde0.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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "kzvebnkzltjhhhne" 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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBA58FEE-81E1-70AD-903F-3E74213EA143}\LocalServer32 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ltbxnlwkhslwzlkn" 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\{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\{BBA58FEE-81E1-70AD-903F-3E74213EA143}\ = "jsclhqkblkhkkknz" NEAS.bca2c07fd5caf916216d2553fca6bde0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hbhrscxrsvlvbenk" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "vlssewjlkwhlnkre" 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}\ = "jbnbzzklstvsjbqe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBA58FEE-81E1-70AD-903F-3E74213EA143} NEAS.bca2c07fd5caf916216d2553fca6bde0.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 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4108 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1888 wrote to memory of 4108 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 86 PID 1888 wrote to memory of 4108 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 86 PID 1888 wrote to memory of 4108 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 86 PID 1888 wrote to memory of 1552 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 87 PID 1888 wrote to memory of 1552 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 87 PID 1888 wrote to memory of 1552 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 87 PID 1888 wrote to memory of 3864 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 91 PID 1888 wrote to memory of 3864 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 91 PID 1888 wrote to memory of 3864 1888 NEAS.bca2c07fd5caf916216d2553fca6bde0.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.bca2c07fd5caf916216d2553fca6bde0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.bca2c07fd5caf916216d2553fca6bde0.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4108
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:1552
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.bca2c07fd5caf916216d2553fca6bde0.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:3864
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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:892
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
119KB
MD5bca2c07fd5caf916216d2553fca6bde0
SHA1e6eb3102a459f4ae8e1898bd32e5b26459c542df
SHA256302837bce5c2f1f49c35b136b75df97892f0bf7b4e809d6bdc86d94c5f5202cd
SHA512b152e99164976ab16bc620932571f9777c6283fbd112e3d3bdcab141b5f062ee86a5263a28ee34325e88c1e3baa253851f59d80c2c5467eadf375dc6b456c213
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Filesize
119KB
MD5bca2c07fd5caf916216d2553fca6bde0
SHA1e6eb3102a459f4ae8e1898bd32e5b26459c542df
SHA256302837bce5c2f1f49c35b136b75df97892f0bf7b4e809d6bdc86d94c5f5202cd
SHA512b152e99164976ab16bc620932571f9777c6283fbd112e3d3bdcab141b5f062ee86a5263a28ee34325e88c1e3baa253851f59d80c2c5467eadf375dc6b456c213
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Filesize
119KB
MD5bca2c07fd5caf916216d2553fca6bde0
SHA1e6eb3102a459f4ae8e1898bd32e5b26459c542df
SHA256302837bce5c2f1f49c35b136b75df97892f0bf7b4e809d6bdc86d94c5f5202cd
SHA512b152e99164976ab16bc620932571f9777c6283fbd112e3d3bdcab141b5f062ee86a5263a28ee34325e88c1e3baa253851f59d80c2c5467eadf375dc6b456c213
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Filesize
119KB
MD5bca2c07fd5caf916216d2553fca6bde0
SHA1e6eb3102a459f4ae8e1898bd32e5b26459c542df
SHA256302837bce5c2f1f49c35b136b75df97892f0bf7b4e809d6bdc86d94c5f5202cd
SHA512b152e99164976ab16bc620932571f9777c6283fbd112e3d3bdcab141b5f062ee86a5263a28ee34325e88c1e3baa253851f59d80c2c5467eadf375dc6b456c213
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Filesize
119KB
MD5bca2c07fd5caf916216d2553fca6bde0
SHA1e6eb3102a459f4ae8e1898bd32e5b26459c542df
SHA256302837bce5c2f1f49c35b136b75df97892f0bf7b4e809d6bdc86d94c5f5202cd
SHA512b152e99164976ab16bc620932571f9777c6283fbd112e3d3bdcab141b5f062ee86a5263a28ee34325e88c1e3baa253851f59d80c2c5467eadf375dc6b456c213