cd8efeeac9e3a9efe818dca544bb0b692f6003799c713d2e965a78b50e112760

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 07:40

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General

Target

TTSRegPlugin.bat
Size

73B
MD5

c7e8d764bb3afd9d90122c1e67ab04ad
SHA1

4992549ce2c208c804a0b053b798b07dd5e102a1
SHA256

92d0cfb9d06cd867d169f4b9f9eb9ccf82ef7d72605a5066e4c2415b667254a8
SHA512

89fcc9989ad422b3bb7be906c19a8b42ccddc842def42075aba53203564eaef6ea991162a78f264b819c881927ad4dbbf1b6cf69ca9e2e67d729b0a039ddf08e

Score

7^/10

adware persistence stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\TTSIEPlugin_64.dll"	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E1022531-9301-4071-A07A-F7237D0DE741}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E1022531-9301-4071-A07A-F7237D0DE741}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E1022531-9301-4071-A07A-F7237D0DE741}\ = "TTSIEBHO"	regsvr32.exe

Modifies registry class 50 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\ProgID\ = "TTSIEPlugin.TTSIEBHO.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\TypeLib\ = "{AFB37209-747D-48B7-98A8-682371F2C841}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{ADCF888E-D1CB-4B41-A065-33EDAB7A1DF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\ = "TTSIEPlugin 1.2 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO\ = "ÌÔÌÔËÑ±È¼Û(ÌÔÍ¬¿î)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{ADCF888E-D1CB-4B41-A065-33EDAB7A1DF9}\ = "TTSIEPlugin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO.1\CLSID\ = "{E1022531-9301-4071-A07A-F7237D0DE741}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\0\win64	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\TTSIEPlugin.DLL\AppID = "{ADCF888E-D1CB-4B41-A065-33EDAB7A1DF9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\ = "ITTSIEBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\ = "ÌÔÌÔËÑ±È¼Û(ÌÔÍ¬¿î)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\TypeLib\ = "{AFB37209-747D-48B7-98A8-682371F2C841}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO\CurVer\ = "TTSIEPlugin.TTSIEBHO.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\ = "ITTSIEBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\TTSIEPlugin_64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO.1\ = "ÌÔÌÔËÑ±È¼Û(ÌÔÍ¬¿î)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO\CLSID\ = "{E1022531-9301-4071-A07A-F7237D0DE741}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\TypeLib\ = "{AFB37209-747D-48B7-98A8-682371F2C841}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}\VersionIndependentProgID\ = "TTSIEPlugin.TTSIEBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\TTSIEPlugin_64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TTSIEPlugin.TTSIEBHO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\TTSIEPlugin.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E1022531-9301-4071-A07A-F7237D0DE741}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AFB37209-747D-48B7-98A8-682371F2C841}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BECB3B22-289A-45C1-B704-F27172FF7E20}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

regsvr32.exe

pid process

1672 regsvr32.exe

pid	process
1672	regsvr32.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 756 wrote to memory of 1672	756	cmd.exe	regsvr32.exe
PID 756 wrote to memory of 1672	756	cmd.exe	regsvr32.exe
PID 756 wrote to memory of 1672	756	cmd.exe	regsvr32.exe
PID 756 wrote to memory of 1672	756	cmd.exe	regsvr32.exe
PID 756 wrote to memory of 1672	756	cmd.exe	regsvr32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\TTSRegPlugin.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\system32\regsvr32.exe
regsvr32 /s .\TTSIEPlugin_64.dll
2⤵
- Registers COM server for autorun
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: CmdExeWriteProcessMemorySpam
PID:1672

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

Browser Extensions

T1176

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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