b45be767bfcf5d2f034029069499318ac9bb1e5481b711676029a48d55289f0c

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 13:02

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General

Target
ie/MediaWatchV1home4176.dll
Size 85KB
Sample240204-p98dpacdck
SHA256 6e0c5a1a43686acbd5622bb18877fad75cbc63866b0070582e771f1aca9b439f
MD5 ea98c9ab7326e558f2ae92bf642d0796
SHA1 0e8afc35c37ef5e0de609398ffcf476935468be2
SHA512 b412754b5d77f7620df0bdc66cfeeb114399505b4011e2c4eb7c4b195d1676ca7769768f745f8ce8354e2ccac41268ee1a5673c7129802eab38e2d3c14d615b7
SSDEEP 1536:mMflScQkG04RfxtakrOb8DkxKRHgNglQOuW:RlikG0ELakrOaRA+aOuW
MD5 SHA1 SHA512 SSDEEP

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\ = "MediaWatchV1home4176"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\ = "IMediaWatchV1home4176BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\TypeLib\ = "{1844055D-7083-41A3-81DB-31E35CCE3E3B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\ = "IMediaWatchV1home4176BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\TypeLib\ = "{1844055D-7083-41A3-81DB-31E35CCE3E3B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\ = "MediaWatchV1home4176"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\ = "MediaWatchV1home4176Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4176.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\TypeLib\ = "{1844055d-7083-41a3-81db-31e35cce3e3b}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bc81f1c-d38f-4866-b610-4ac11ddc1088}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4176.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1844055D-7083-41A3-81DB-31E35CCE3E3B}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{17010396-A19E-4E6B-BA65-331A22593845}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17010396-A19E-4E6B-BA65-331A22593845}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16
PID 1704 wrote to memory of 2376	1704	regsvr32.exe	16

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4176.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4176.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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