8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 21:18

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General

Target

8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84.dll
Size

121KB
MD5

38ce1ad2eadcf2989f3fe12c58f94a0d
SHA1

410fbaa6af3fbd56925e87ce3a1fea323154725b
SHA256

8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84
SHA512

63d77afaab36047fe232aa35adcf19a267629bddbea96688affa2ccf6e1e1f679196f5f74511b05e76f5e5802635433205ba177c010637016ba932365fccf8aa
SSDEEP

3072:kYfCPGym+iJB9TSrXwlQjsV5jYtq0xV4zfknfziQLTgz:kYfCOF+ifs4FY4w47W+QLU

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\toolbar.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\ = "Adobe PDF Interpreter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0E43034-50F5-1F84-8098-824B44F2DBC3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0E43034-50F5-1F84-8098-824B44F2DBC3}\ = "toolbar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB.1\ = "Adobe PDF Interpreter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\VersionIndependentProgID\ = "toolbar.TB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB\CurVer\ = "toolbar.TB.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\toolbar.DLL\AppID = "{B0E43034-50F5-1F84-8098-824B44F2DBC3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB.1\CLSID\ = "{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB\CLSID\ = "{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ = "ITB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\ = "toolbar 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\AppID = "{B0E43034-50F5-1F84-8098-824B44F2DBC3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\ProgID\ = "toolbar.TB.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\toolbar.TB\ = "Adobe PDF Interpreter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9B2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ = "ITB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 956	960	regsvr32.exe	27
PID 960 wrote to memory of 956	960	regsvr32.exe	27
PID 960 wrote to memory of 956	960	regsvr32.exe	27
PID 960 wrote to memory of 956	960	regsvr32.exe	27
PID 960 wrote to memory of 956	960	regsvr32.exe	27
PID 960 wrote to memory of 956	960	regsvr32.exe	27
PID 960 wrote to memory of 956	960	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8f437dc4313fbd192a0d837c10e2cbc4dbb8bfb51c60d0d693e9071d2c260a84.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:956

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/956-55-0x0000000000000000-mapping.dmp

Download
memory/956-56-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/960-54-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

Filesize
8KB

Download