03544cc512306862b88bbf0c5f3a573bdb023f061302e90d24ebfeed93334d01

Analysis

max time kernel
8s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28-07-2024 17:28

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General

Target

$TEMP/pl/rule/inline/vjscsvrps.dll
Size

11KB
MD5

7217cd683c6cfd0cfbd35dc0d6ecbc7c
SHA1

e26dc3d907758f90ec18140221ebe7ee98028649
SHA256

e005228d21dd9494ebdc890a1617aed9633c653ee4d858df5c99967edaad3ad2
SHA512

862231656b60456005d5c63f9cd9764bfbc73c36074d772761fe68c29673f270694136000d1812741f8bdca909706ae2968ae387b5395058b6e311e3838a42e1
SSDEEP

192:aWFD1PrY6z4jA7NJ5kqWFyN3X0S6vrktmGq9AerWHfN9HWN9oHL:a4xPzzOA7hkq4GES6W4WH19HWfq

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 31 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E5-7E41-4C20-B1C9-47EB4205B276}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\pl\\rule\\inline\\vjscsvrps.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E5-7E41-4C20-B1C9-47EB4205B276}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E6-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E6-7E41-4C20-B1C9-47EB4205B276}\ = "IAnalyzerCallBack"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E4-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32\ = "{3DF319E3-7E41-4C20-B1C9-47EB4205B276}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E5-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32\ = "{3DF319E3-7E41-4C20-B1C9-47EB4205B276}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\ = "IVJCCaller"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E5-7E41-4C20-B1C9-47EB4205B276}\ = "IComWrapCallBack"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E6-7E41-4C20-B1C9-47EB4205B276}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E6-7E41-4C20-B1C9-47EB4205B276}\NumMethods\ = "9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\NumMethods\ = "8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E4-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E6-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32\ = "{3DF319E3-7E41-4C20-B1C9-47EB4205B276}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E6-7E41-4C20-B1C9-47EB4205B276}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32\ = "{3DF319E3-7E41-4C20-B1C9-47EB4205B276}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E4-7E41-4C20-B1C9-47EB4205B276}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E4-7E41-4C20-B1C9-47EB4205B276}\ = "IVJCCallerForUpgrade"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E3-7E41-4C20-B1C9-47EB4205B276}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E4-7E41-4C20-B1C9-47EB4205B276}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E4-7E41-4C20-B1C9-47EB4205B276}\NumMethods\ = "8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E5-7E41-4C20-B1C9-47EB4205B276}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3DF319E5-7E41-4C20-B1C9-47EB4205B276}\NumMethods\ = "5"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29
PID 2548 wrote to memory of 2504	2548	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$TEMP\pl\rule\inline\vjscsvrps.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$TEMP\pl\rule\inline\vjscsvrps.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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