8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 18:05

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General

Target

8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e.dll
Size

132KB
MD5

531987ac7a080fd73db8df445ffcc7b8
SHA1

06afa17c287856fdb99ef93fc94e1ced08d5e0f9
SHA256

8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e
SHA512

d7fc168f48926524662f9bce333d6a2abe94f51290d35bbbfe92117219f99c2702f661c335b438afc59c1849f2d2b04cce057f9158405eb3d928a92e53be27fb
SSDEEP

1536:QSy58oS9YZvnFsgpxbZlA5VOM6lIx576WM3U:QSyJxFFsUVdlIx5P

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\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}	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\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\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\ = "{6E51C408-5F6C-4F6C-8296-3345C441F1FE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{6E51C402-5F6C-4F6C-8296-3345C441F1FE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\ = "{6E51C408-5F6C-4F6C-8296-3345C441F1FE}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1196	regsvr32.exe
1196	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27
PID 1944 wrote to memory of 1196	1944	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8a280c6966469e021cc563987b1823f0029403cec02cfa717e3d8c5a7de7ce1e.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1196

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/1196-56-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1944-54-0x000007FEFC511000-0x000007FEFC513000-memory.dmp

Filesize
8KB

Download