176926f9f409b94fdc16527993a273d6cc250b8e4e7a5ca9e8fc1a679817afa2

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 19:48

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General

Target

8d3171a2cd84d24e35bf9953e7618df0.dll
Size

635KB
MD5

8d3171a2cd84d24e35bf9953e7618df0
SHA1

84aa458580f8dd6101652f9df20b73475f54c07f
SHA256

176926f9f409b94fdc16527993a273d6cc250b8e4e7a5ca9e8fc1a679817afa2
SHA512

d6b14a767ddd480e7d5af9e033618727ece89c0426ce3b65bd6bd812519b4427eaf10d730fd3154c030981937b6fd621d9d38012cff97fb6181e3f3936005489
SSDEEP

12288:QM0t9FNcxDMmfrLAF8rZIRf2MmsXa0eJ41L/4zhE/fO79s:QtjNcXnVInva0eJ41L/ChE

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-B591-E4E3-3642-EE832599298F}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8d3171a2cd84d24e35bf9953e7618df0.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8d3171a2cd84d24e35bf9953e7618df0.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8d3171a2cd84d24e35bf9953e7618df0.axc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8d3171a2cd84d24e35bf9953e7618df0.axc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8d3171a2cd84d24e35bf9953e7618df0.axc\Clsid\ = "{CC01FC6C-B591-E4E3-3642-EE832599298F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}\ProgID\ = "8d3171a2cd84d24e35bf9953e7618df0.axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B591-E4E3-3642-EE832599298F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28
PID 2504 wrote to memory of 1660	2504	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8d3171a2cd84d24e35bf9953e7618df0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8d3171a2cd84d24e35bf9953e7618df0.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1660

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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