1388b6fe270ddaf6d1af4d6a964700382418b7a1068432181c1976e89f25c040

General

Target

1388b6fe270ddaf6d1af4d6a964700382418b7a1068432181c1976e89f25c040.dll
Size

268KB
MD5

2529366659ee458155061eb6f9f7323f
SHA1

4addaf640d74391d215d0b305285316a3481f6ce
SHA256

1388b6fe270ddaf6d1af4d6a964700382418b7a1068432181c1976e89f25c040
SHA512

8bdfcdfed12781bbd72fb56b4ba06ede310084b2d88d532259b4ea7013e501a7fdf6682ee716631520408cac44f39170d5340d828cc86f3c04a733b871a972a1
SSDEEP

3072:8lWTzX1XsPZ17ci8BhJ4MOiSt7pZ5nhzJdo7lmX46QXMmAI1iwy8i1o3KeEHXT6g:UWTx217whvOiSt7pZTEM4HMKt8oS

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}	regsvr32.exe

Modifies registry class 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\ = "IBhoObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj.1\ = "BhoObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1388B6~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\TypeLib\ = "{C80211BF-5538-4584-B421-AED86F4E1D18}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\TypeLib\ = "{C80211BF-5538-4584-B421-AED86F4E1D18}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj\ = "BhoObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\ = "TkDnaBho 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1388b6fe270ddaf6d1af4d6a964700382418b7a1068432181c1976e89f25c040.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj.1\CLSID\ = "{A72D4D83-D2AB-10AB-C936-9BAC744E1423}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\TypeLib\ = "{C80211BF-5538-4584-B421-AED86F4E1D18}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\ = "BhoObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\ProgID\ = "TkDnaBho.BhoObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\VersionIndependentProgID\ = "TkDnaBho.BhoObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C80211BF-5538-4584-B421-AED86F4E1D18}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\ = "IBhoObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63AAB018-C407-4C03-9743-4EC580E8F042}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj\CLSID\ = "{A72D4D83-D2AB-10AB-C936-9BAC744E1423}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TkDnaBho.BhoObj\CurVer\ = "TkDnaBho.BhoObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72D4D83-D2AB-10AB-C936-9BAC744E1423}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1736	1636	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1388b6fe270ddaf6d1af4d6a964700382418b7a1068432181c1976e89f25c040.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1388b6fe270ddaf6d1af4d6a964700382418b7a1068432181c1976e89f25c040.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1736

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1636-54-0x000007FEFB851000-0x000007FEFB853000-memory.dmp

Filesize
8KB

Download
memory/1736-55-0x0000000000000000-mapping.dmp

Download
memory/1736-56-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads