e315b6c1144c05f8031cc752ec6fe84864f004e995476b6354abe5a805544347

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-01-2024 00:28

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General

Target

vjocx.dll
Size

1.5MB
MD5

da162564646da62c40238153a1cbf268
SHA1

b0314c89f0060d69f82d1bd057cc0cec84694794
SHA256

cfd9e9cd51d43f2366191ff5fefa4446b44961b37f203b943454f228d827d00c
SHA512

51c5c881395f516e9f670148e9853ef2ed3583270847cc32d66b39ae4cb72020dc8546ba845da8c8c132d24e489987987f8c0dae5b858c70dbc0e7bef5612393
SSDEEP

24576:w+giCmGVhE+TatkF+OtwxDgQuqcPSx4Da:QZFV0Rbjx4Da

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 58 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\0\win32	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\VJ.VodClient	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Control	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\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\MiscStatus\ = "0"	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\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\AppID	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\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ProxyStubClsid32	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\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\MiscStatus\1\ = "131473"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib	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}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Version	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\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\VJ.VodClient\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ProgID	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\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\TypeLib\ = "{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\ProgID\ = "VJ.VodClient.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient\CurVer\ = "VJ.VodClient.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0	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\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\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VJ.VodClient.1\ = "VodClient Control Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ = "ICVodClient"	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}\Version\ = "1.0"	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\VJ.VodClient\CLSID\ = "{D4003189-95B1-4A2F-9A87-F2B03665960D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4003189-95B1-4A2F-9A87-F2B03665960D}\VersionIndependentProgID\ = "VJ.VodClient"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D416E10-79D7-4F06-9ED8-C4DF23AA6DF6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{071825D4-FA84-45A6-A82F-B492DD197E3B}\ = "ICVodClient"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28
PID 1320 wrote to memory of 860	1320	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\vjocx.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- 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:860

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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