dc4f307982b440e2921e835393cba7f9dfaaa063d73318e74ae16a2e83a06c1c

Analysis

max time kernel
184s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 21:03

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General

Target

dc4f307982b440e2921e835393cba7f9dfaaa063d73318e74ae16a2e83a06c1c.dll
Size

104KB
MD5

53431a289eff001da16847d1080d568b
SHA1

42176c6d22bfe4851b1da18928268801f5b82d87
SHA256

dc4f307982b440e2921e835393cba7f9dfaaa063d73318e74ae16a2e83a06c1c
SHA512

8ac4bc6b219e28ff13002410e58cbe69dedfa4a1f6b401a0663e6753ea16206e94ebec91cbdda78a0035c420aa6df3e9dd68a21f4c016bf6ac1bcb2f3e615bd4
SSDEEP

3072:Nv4+Adu6bpp+WLznSp5CHxd8ksX8INGA34yXQuEg0:Nu/zxHrbsXLZcuEN

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

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9048135B-EF09-4FDD-89A2-CEACC7388FC0}	regsvr32.exe

Modifies registry class 6 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9048135B-EF09-4FDD-89A2-CEACC7388FC0}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9048135B-EF09-4FDD-89A2-CEACC7388FC0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9048135B-EF09-4FDD-89A2-CEACC7388FC0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc4f307982b440e2921e835393cba7f9dfaaa063d73318e74ae16a2e83a06c1c.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9048135B-EF09-4FDD-89A2-CEACC7388FC0}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1856 wrote to memory of 4900	1856	regsvr32.exe	regsvr32.exe
PID 1856 wrote to memory of 4900	1856	regsvr32.exe	regsvr32.exe
PID 1856 wrote to memory of 4900	1856	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc4f307982b440e2921e835393cba7f9dfaaa063d73318e74ae16a2e83a06c1c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dc4f307982b440e2921e835393cba7f9dfaaa063d73318e74ae16a2e83a06c1c.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4900

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/4900-132-0x0000000000000000-mapping.dmp

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