899c1a8c84639fa28d43d448a92f63a1676f799dc49650bbf9aed89d8c2718d7

Analysis

max time kernel
247s
max time network
259s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 05:59

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General

Target

899c1a8c84639fa28d43d448a92f63a1676f799dc49650bbf9aed89d8c2718d7.dll
Size

628KB
MD5

5d9b85907ce965d3b2bae2b800ad8490
SHA1

93f621b08ec30a81603bebacb30ed73482096740
SHA256

899c1a8c84639fa28d43d448a92f63a1676f799dc49650bbf9aed89d8c2718d7
SHA512

01f4cd64202b334ef2de4f87ccbbf5e9e481d07040d07e1a81d90e4f70df482c0bef9eaf34792067431e3569a9bcdbd75560e4c9b7dac5fe3142c9b8928e8156
SSDEEP

12288:ey/QjSBRIKYS7+1hoAZBsnNkCDmrtpwPvr5QYfnscTFo5Hgj:dYGBR0S7+1h3ZmnybtpwPidcT

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\{0D73CA3E-3151-4A45-93C7-90BE943D3166}	regsvr32.exe

Modifies registry class 5 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D73CA3E-3151-4A45-93C7-90BE943D3166}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D73CA3E-3151-4A45-93C7-90BE943D3166}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D73CA3E-3151-4A45-93C7-90BE943D3166}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\899c1a8c84639fa28d43d448a92f63a1676f799dc49650bbf9aed89d8c2718d7.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D73CA3E-3151-4A45-93C7-90BE943D3166}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D73CA3E-3151-4A45-93C7-90BE943D3166}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 5016 wrote to memory of 380	5016	regsvr32.exe	regsvr32.exe
PID 5016 wrote to memory of 380	5016	regsvr32.exe	regsvr32.exe
PID 5016 wrote to memory of 380	5016	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\899c1a8c84639fa28d43d448a92f63a1676f799dc49650bbf9aed89d8c2718d7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5016

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\899c1a8c84639fa28d43d448a92f63a1676f799dc49650bbf9aed89d8c2718d7.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:380

Network

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

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Downloads

memory/380-132-0x0000000000000000-mapping.dmp

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