1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165

Analysis

max time kernel
140s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 12:49

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General

Target

1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165.dll
Size

47KB
MD5

920fa5012a217356a0bfdea96a300330
SHA1

e7650df0fa38ca38c44c448a3d2eeb2bceb8d16d
SHA256

1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165
SHA512

90ff59c2a031a72dd0a09447827010186665ab82417ab5f6366ca1874de4babcd5432fe4c6af7c4b3fc687c2deb3003bf180405d81eeef104b3d4ea5ba676e5e
SSDEEP

768:LDO6xu9+YlJ3WUa2O2dNm0S0UOUZ07tDiOeujIvZ74Or3Z9XvnIg4XE1dcqU8:G6xuHllWUaHIM0LVIIDzeuI4Or3Z9vn9

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\{1E8AD682-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\ = "{1E8AD688-7232-4EB5-B105-8033E4B4A885}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\ = "{1E8AD688-7232-4EB5-B105-8033E4B4A885}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{1E8AD682-7232-4EB5-B105-8033E4B4A885}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ = "IIEHlprObj"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4748	regsvr32.exe
4748	regsvr32.exe
4748	regsvr32.exe
4748	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 4748	4516	regsvr32.exe	79
PID 4516 wrote to memory of 4748	4516	regsvr32.exe	79
PID 4516 wrote to memory of 4748	4516	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1c8fd17b34d1e9abb9a4ed54ae7c17f07ddc3ac2783d6e804c197cef057a1165.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4748

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

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Downloads

memory/4748-132-0x0000000000000000-mapping.dmp

Download
memory/4748-133-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

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