1dc8822c3caf18c014e83201cfa98788e1fa2d446b581b60d5ab92eea9d5a929

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 19:37

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General

Target

企业即时通信系统/RTC客户端/OCX/OA.dll
Size

448KB
MD5

da06e1f49dd2791c27e2edd6a560f5a6
SHA1

0d1ff020dc46e9cb994dbe4c023edf0ecb64d8a5
SHA256

9b29724a84deb06951e9c04fb3820afe9bfec195a71e2f660f33a7b1ab58740b
SHA512

cbb98d9d2a7155f9ba0bcb4ec512831f3cce31c8028e015e0b407c25d9a7f90740e5ad76227946361a1ba72c2043bf643b07acc9d7bd89e27a1be83888c9e78f
SSDEEP

6144:FSa5wJbjwAmNEy1haF9iyny2/4fmRnlb7ChQW7sIpX872ON:FSFJbQqyzanlny2/4f2nfcxON

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 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\ = "_DOAEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81A7~1\\RTC~1\\OCX\\OA.dll, 1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\TypeLib\ = "{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D227CC82-AE02-4513-93DF-7A78929E83FC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81A7~1\\RTC~1\\OCX\\OA.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81A7~1\\RTC~1\\OCX\\OA.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OA.OACtrl.1\ = "Office Viewer ActiveX Control"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D227CC82-AE02-4513-93DF-7A78929E83FC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\ = "OA ActiveX Control module"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\企业即时通信系统\\RTC客户端\\OCX\\OA.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\ = "_DOA"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OA.OACtrl.1\CLSID\ = "{18A295DA-088E-42D1-BE31-5028D7F9B9B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\Control\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\ = "_DOAEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\TypeLib\ = "{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\ = "Office Viewer ActiveX Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OA.OACtrl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\TypeLib\ = "{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\TypeLib\ = "{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\ = "_DOA"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\企业即时通信系统\\RTC客户端\\OCX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\ProgID\ = "OA.OACtrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D227CC82-AE02-4513-93DF-7A78929E83FC}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OA.OACtrl.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18A295DA-088E-42D1-BE31-5028D7F9B9B5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16EFE4A7-6641-459C-8BB3-B02AC6F088F4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D0D660E-90A7-4CDC-AF8C-1926E0D08895}\TypeLib\ = "{0DB2A541-9FC9-41FE-8869-62AF866AA3F8}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2276	2652	regsvr32.exe	81
PID 2652 wrote to memory of 2276	2652	regsvr32.exe	81
PID 2652 wrote to memory of 2276	2652	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\企业即时通信系统\RTC客户端\OCX\OA.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\企业即时通信系统\RTC客户端\OCX\OA.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2276

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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