fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 07:28

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General

Target

fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117.dll
Size

128KB
MD5

351e5ce99406e8fb168fbea69157bc92
SHA1

2578d29eb111799037f3a7a3fe0c288342e80d23
SHA256

fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117
SHA512

abbf8bb9b2439b487710a1286490424377ac59b64c6e858ad486af4b031351f1398c3787c3ca084ca7f6fe7ee4996c244d0ae6094d75c7d09f7436514ae13aef
SSDEEP

3072:qKpe7YuckOho4Bv3H1sG0HAEJmgEBkPRGC51zjTKS26ddG:qKpYYjdXyRmgRGC/ziSXdc

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{70C09FA4-3B41-4E53-B195-F547FE88FF73}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{70C09FA4-3B41-4E53-B195-F547FE88FF73}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\TypeLib\ = "{70C09FAB-3B41-4E53-B195-F547FE88FF73}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{70C09FA5-3B41-4E53-B195-F547FE88FF73}\TypeLib\ = "{70C09FAB-3B41-4E53-B195-F547FE88FF73}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{70C09FA4-3B41-4E53-B195-F547FE88FF73}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{70C09FAB-3B41-4E53-B195-F547FE88FF73}\1.0\0\win32	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe
1976	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28
PID 1788 wrote to memory of 1976	1788	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fc997a0d74a2e38f4b212e12e49ca2b9aa786e6db96a6eaa35b9e40a0ad0e117.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1788-54-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

Filesize
8KB

Download
memory/1976-56-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download