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Analysis
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max time kernel
152s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
01/11/2023, 20:16
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe
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Size
119KB
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MD5
90b97c417011c137a620fcb723d1e5c0
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SHA1
9dff8c49cce902935105855ddc63a8c2d67a8eb5
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SHA256
80fbea3ad33023378a383ae6211fbe4fca6072c0e7958945fe5291d1a8024355
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SHA512
9fd42fc3bde95d128ac9aefed01a44cd1f34f2ea004e3839fdc1ac65b787f2171290dcb154d05c282473a3f7902cc51315426b02c4f4a00d36b1bae7d99ef8a4
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SSDEEP
3072:YzUs5mwujt7ei5FCS+8hBKI2+B/ItQbo5XsaNbuFO:MUs5mvp7eoFc4UI2wbboBstO
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3736 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 3132 urdvxc.exe 2636 urdvxc.exe 3992 urdvxc.exe 3736 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 13 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\Java\jre-1.8\Welcome.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\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\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 File opened for modification C:\Program Files\Java\jdk-1.8\jre\Welcome.html urdvxc.exe File opened for modification C:\Program Files\MergeSet.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\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\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\{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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "brknbcjtrxtlkhlb" 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 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "brnezhexxqbbevkh" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "ertbjszrtxqknllb" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95DEDFB6-5CE2-55BC-1ED1-435321711B31}\LocalServer32 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "wlhnhqwthewtellr" 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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\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\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "kthnlekrbrkxtkeh" 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\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\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\{95DEDFB6-5CE2-55BC-1ED1-435321711B31}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe" NEAS.90b97c417011c137a620fcb723d1e5c0_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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "cvsezrlcrnzjsxnr" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "kbvnbkbexzhcvbtn" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95DEDFB6-5CE2-55BC-1ED1-435321711B31} NEAS.90b97c417011c137a620fcb723d1e5c0_JC.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}\ = "csrqknhtlbkcbzsl" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "lbbjsehjlrrebnbk" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95DEDFB6-5CE2-55BC-1ED1-435321711B31}\ = "zzzsjrhlvrzlwhzn" NEAS.90b97c417011c137a620fcb723d1e5c0_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\{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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} 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\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\vfs\\ProgramFilesCommonX64\\Microsoft Shared\\Smart Tag\\1033\\rvhrjtnt.exe" urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3132 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4524 wrote to memory of 3132 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 91 PID 4524 wrote to memory of 3132 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 91 PID 4524 wrote to memory of 3132 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 91 PID 4524 wrote to memory of 2636 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 93 PID 4524 wrote to memory of 2636 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 93 PID 4524 wrote to memory of 2636 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 93 PID 4524 wrote to memory of 3736 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 96 PID 4524 wrote to memory of 3736 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 96 PID 4524 wrote to memory of 3736 4524 NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3132
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:2636
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.90b97c417011c137a620fcb723d1e5c0_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:3736
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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:3992
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD590b97c417011c137a620fcb723d1e5c0
SHA19dff8c49cce902935105855ddc63a8c2d67a8eb5
SHA25680fbea3ad33023378a383ae6211fbe4fca6072c0e7958945fe5291d1a8024355
SHA5129fd42fc3bde95d128ac9aefed01a44cd1f34f2ea004e3839fdc1ac65b787f2171290dcb154d05c282473a3f7902cc51315426b02c4f4a00d36b1bae7d99ef8a4
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Filesize
119KB
MD590b97c417011c137a620fcb723d1e5c0
SHA19dff8c49cce902935105855ddc63a8c2d67a8eb5
SHA25680fbea3ad33023378a383ae6211fbe4fca6072c0e7958945fe5291d1a8024355
SHA5129fd42fc3bde95d128ac9aefed01a44cd1f34f2ea004e3839fdc1ac65b787f2171290dcb154d05c282473a3f7902cc51315426b02c4f4a00d36b1bae7d99ef8a4
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Filesize
119KB
MD590b97c417011c137a620fcb723d1e5c0
SHA19dff8c49cce902935105855ddc63a8c2d67a8eb5
SHA25680fbea3ad33023378a383ae6211fbe4fca6072c0e7958945fe5291d1a8024355
SHA5129fd42fc3bde95d128ac9aefed01a44cd1f34f2ea004e3839fdc1ac65b787f2171290dcb154d05c282473a3f7902cc51315426b02c4f4a00d36b1bae7d99ef8a4
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Filesize
119KB
MD590b97c417011c137a620fcb723d1e5c0
SHA19dff8c49cce902935105855ddc63a8c2d67a8eb5
SHA25680fbea3ad33023378a383ae6211fbe4fca6072c0e7958945fe5291d1a8024355
SHA5129fd42fc3bde95d128ac9aefed01a44cd1f34f2ea004e3839fdc1ac65b787f2171290dcb154d05c282473a3f7902cc51315426b02c4f4a00d36b1bae7d99ef8a4
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Filesize
119KB
MD590b97c417011c137a620fcb723d1e5c0
SHA19dff8c49cce902935105855ddc63a8c2d67a8eb5
SHA25680fbea3ad33023378a383ae6211fbe4fca6072c0e7958945fe5291d1a8024355
SHA5129fd42fc3bde95d128ac9aefed01a44cd1f34f2ea004e3839fdc1ac65b787f2171290dcb154d05c282473a3f7902cc51315426b02c4f4a00d36b1bae7d99ef8a4