71213be1116e5ace654ee4071e3f2c83e0a39fd0efe0246b1659b9520f31f2b6

Analysis

max time kernel
71s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 07:31

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General

Target

hyword/hyword/ChTTS.dll
Size

222KB
MD5

19761f18f48152e5f5db2f53fa064ced
SHA1

c1e168085f0eb11e8e97d02979dc50c146b438a7
SHA256

af3d024c235a366f9822e6aa7f702dd209afad33446e9a8c43baf1cd2e968728
SHA512

a4f4acbab0c26dcfcb9ee92acda1aade1a186548385268c3c7fa21c57e3432256731f3de37514fb9eb9677b8cd831e7810c18a79cd19f23f658d81999cdab17d
SSDEEP

3072:yVnQGzJLcNiXPEW3GehfTR9DtboUVw0Ah42RPB6RM26cclnP4H80av1KWah8/I:yVnQ+xyiXmO/Z4PhFBzcOnwHAKWae/I

Score

1^/10

Malware Config

Signatures

Modifies registry class 53 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\ProgID\ = "ChTTSEngine.ChTTSEngineObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hyword\\hyword\\ChTTS.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI.1\ = "ChTTSEngineUI Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj\CurVer\ = "ChTTSEngine.ChTTSEngineObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj\ = "ChTTSEngineObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\InprocServer32\ThreadingModel = "both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj.1\CLSID\ = "{7F5297E5-0462-4730-86A9-076A57C05C17}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hyword\\hyword\\ChTTS.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\ = "ChTTSEngineUI Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\ProgID\ = "ChTTSEngine.ChTTSEngineUI.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\VersionIndependentProgID\ = "ChTTSEngine.ChTTSEngineUI"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI.1\CLSID\ = "{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hyword\\hyword\\ChTTS.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\TypeLib\ = "{CAB541E4-11C4-48A4-BD30-61658823453B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\ = "ChTTSEngine 1.3 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj.1\ = "ChTTSEngineObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI\CLSID\ = "{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj\CLSID\ = "{7F5297E5-0462-4730-86A9-076A57C05C17}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\VersionIndependentProgID\ = "ChTTSEngine.ChTTSEngineObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI\CurVer\ = "ChTTSEngine.ChTTSEngineUI.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA729B8B-A6B3-4DBC-9A0C-31F2763F5D2D}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CAB541E4-11C4-48A4-BD30-61658823453B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hyword\\hyword\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineUI\ = "ChTTSEngineUI Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ChTTSEngine.ChTTSEngineObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\ = "ChTTSEngineObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F5297E5-0462-4730-86A9-076A57C05C17}\TypeLib\ = "{CAB541E4-11C4-48A4-BD30-61658823453B}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe
PID 1676 wrote to memory of 1340	1676	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\hyword\hyword\ChTTS.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\hyword\hyword\ChTTS.dll
2⤵
- Modifies registry class
PID:1340

Network

MITRE ATT&CK Matrix

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Downloads

memory/1340-55-0x0000000000000000-mapping.dmp

Download
memory/1340-56-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1676-54-0x000007FEFC511000-0x000007FEFC513000-memory.dmp

Filesize
8KB

Download