6f2a6bd343afde00094275cb44a201c8278e49a0bfada80a8d76729bed8cc995

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 17:50

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General

Target

87822c467fa94da6ae124b8083831ff9.dll
Size

634KB
MD5

87822c467fa94da6ae124b8083831ff9
SHA1

706f57d661bbc4b9f0faf2f439f889c690bb218f
SHA256

6f2a6bd343afde00094275cb44a201c8278e49a0bfada80a8d76729bed8cc995
SHA512

e1bf8e1fe11f04092642df097a5afff15842710e405216279af3d6946757a8c51ad9037813c5373171acfe9841b165d79a0a6257e62d3b6ac4421aec926662a2
SSDEEP

12288:2M0t9FNcxDMmfrLAF8rZIRf2MmsXaBr2dqFhB/fO79s:etjNcXnVInvam6hJ

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-988F-8888-3879-A131E9CDBC68}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87822c467fa94da6ae124b8083831ff9.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9.axc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9.axc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9.axc\Clsid\ = "{CC01FC6C-988F-8888-3879-A131E9CDBC68}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\ProgID\ = "87822c467fa94da6ae124b8083831ff9.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9.axc\ = "axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\ = "axc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 2816	4256	regsvr32.exe	87
PID 4256 wrote to memory of 2816	4256	regsvr32.exe	87
PID 4256 wrote to memory of 2816	4256	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\87822c467fa94da6ae124b8083831ff9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\87822c467fa94da6ae124b8083831ff9.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2816

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

Windows 7 deprecation

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