af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0

Analysis

max time kernel
43s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 15:18

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General

Target

af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0.dll
Size

47KB
MD5

b06c46d40980f09922c03bd470c7e4f1
SHA1

05f48c08b4615d616537756691aded4a0326f09d
SHA256

af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0
SHA512

d1327b49584ce7cddd5c09bcdb54a5dc8c87a8117a2d1aa32646abf9308d9059bf027e4639f794d56249b92867a17fcdd0654ce6e16b55f475e441b3b69f47ae
SSDEEP

768:9/1MC1qivBprmAKezm4KpOX6KdTJ7sH6duYcCPqdpD46kFb0K4hz2++d4:9/qiqivfjKUmjpOFdTFsH6wv2spD46UY

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\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\TypeLib\ = "{7E0CB538-7B4A-4C0C-BB68-6349B3810133}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\FLAGS\ = "0"	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\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E0CB538-7B4A-4C0C-BB68-6349B3810133}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7E0CB532-7B4A-4C0C-BB68-6349B3810133}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E0CB531-7B4A-4C0C-BB68-6349B3810133}\TypeLib\ = "{7E0CB538-7B4A-4C0C-BB68-6349B3810133}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{7E0CB532-7B4A-4C0C-BB68-6349B3810133}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1128	regsvr32.exe
1128	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26
PID 2016 wrote to memory of 1128	2016	regsvr32.exe	26

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\af804a55db87442538592c8d9eb21b4af42cf9eaf46a9eda40ae917dd9b0f7f0.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1128

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/1128-56-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/2016-54-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

Filesize
8KB

Download