0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-10-2022 14:13

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General

Target

0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c.dll
Size

119KB
MD5

525bb741e24599c008555f470dfa6c7e
SHA1

a374b15586c5bc8fd7bfd8c2cb545ea8fd0d9eba
SHA256

0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c
SHA512

698a689b27ad2216eafd08d52b2d2d30dbc1fd59e5b965797e70631c67aa71bd38bc26c8220666f9894ea6741409cbcba64671d21a40e3c40a01120bd0c42307
SSDEEP

3072:mje8/4gOE4s+DQIjb4Td1nA3pUiJXaF1DAhNA:WeSOE4JDQIjbUdl4yGsDAhW

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID\ = "{F7C9E237-D0B2-4265-B4EC-B93F739D5471}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\VersionIndependentProgID\ = "BHO.FffPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer\ = "BHO.FffPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\ = "CFffPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ = "CFffPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ProgID\ = "BHO.FffPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\ = "CFffPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID\ = "{F7C9E237-D0B2-4265-B4EC-B93F739D5471}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26
PID 1248 wrote to memory of 1384	1248	regsvr32.exe	26

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0ff3048530290d857294dad33898c3d07731adb05b620e8a23ea8c5a4883a65c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1384

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/1248-54-0x000007FEFBCC1000-0x000007FEFBCC3000-memory.dmp

Filesize
8KB

Download
memory/1384-55-0x0000000000000000-mapping.dmp

Download
memory/1384-56-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download