8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a

Analysis

max time kernel
31s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
27-04-2022 16:05

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General

Target

8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a.dll
Size

7KB
MD5

1bd80fc494ee1490467b5e0cb9743d92
SHA1

f4d2fea98a83c356d29330be9f05d802c88931a4
SHA256

8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a
SHA512

d94d6cb96c0c0332ab3cb9807ed120ebc617929c385b346188eac1c45386df5b21a6c5c7172a1bcd3c2887b058c833cc20656542975629ea7512a54c41eb2806

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Modifies registry class 5 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\xxx = "xxx"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 280	1356	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a.dll
2⤵
- Modifies registry class
PID:280

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/280-55-0x0000000000000000-mapping.dmp

Download
memory/280-56-0x0000000075541000-0x0000000075543000-memory.dmp

Filesize
8KB

Download
memory/1356-54-0x000007FEFB751000-0x000007FEFB753000-memory.dmp

Filesize
8KB

Download