e7e50678a688b5a7bd3b76ca1e948809590ebff535881f9d245dafbfb8b3dc11

Analysis

max time kernel
137s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 13:44

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General

Target

vjocx.dll
Size

1.6MB
MD5

a4917c2686f8aad36ca825e538fa205a
SHA1

988c12cc21e960b50a1ce1041a75efef7d5def4b
SHA256

cc92b8e35bb53c2aa47b8050c33b68c3f53208d11764b4b1b446ead933b33782
SHA512

745381166a32b432e0ed6ba3ddf3300ce1e3b10f264d3d77d6f6d1447be4e6cf2c453ee63e972b31062951fdb831c0e1873f1a155efa39f55545f5452a187052
SSDEEP

24576:s5iDxabKrQZuId5xVH9kVSDj+Jh9UfictRwsVvhBr51u:G5ZyMrtRwsVvzu

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\vvdsvc\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vjocx.dll"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vjocx.dll, 1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\ = "_IVodEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vjocx.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\ = "ICVodClient2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient\CLSID\ = "{D4003189-95B1-4A2F-9A87-F2B03665960D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ = "VodClient Control Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient.1\CLSID\ = "{D4003189-95B1-4A2F-9A87-F2B03665960D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient\ = "VodClient Control Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vjocx.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\ = "ICVodClient2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ = "ICVodClient"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient.1\ = "VodClient Control Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\VersionIndependentProgID\ = "VJ.VodClient"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{154FCEAF-23C1-495D-B8DA-BE073779BB0F}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\ = "vodClient 1.0 ÀàÐÍ¿â"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{41A0B42A-335B-4E4D-B92D-69DAEAD1A8D8}\ = "_IVodEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient\CurVer	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 4188	2220	regsvr32.exe	13
PID 2220 wrote to memory of 4188	2220	regsvr32.exe	13
PID 2220 wrote to memory of 4188	2220	regsvr32.exe	13

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\vjocx.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\vjocx.dll
  2⤵
  - Sets DLL path for service in the registry
  - Modifies registry class
  PID:4188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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