4456207c99ef6abd1b1420c596c0f6970cfaec100e91caddf50a4e8835c1bad1

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 08:40

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General

Target

55fedb82a4f07214fc8333f40ca0fa10.dll
Size

306KB
MD5

55fedb82a4f07214fc8333f40ca0fa10
SHA1

138c963bdedbd3105a98430325d6441147bab472
SHA256

4456207c99ef6abd1b1420c596c0f6970cfaec100e91caddf50a4e8835c1bad1
SHA512

50f3c3ba8cb3734e0c057dc17bd85725f69bdf7c62f419f5356ca9958470c5642fe7eafb8f550fe9285bb8194a941f14da232ba820df079019d2f3fa6e321c58
SSDEEP

6144:rGAxFQ92zkC1pazcPFqR5iHaaU24TB/ot2zhH4:rGAxFQ0B+zcP6YaaU24T1ot2zG

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{c17c264d-f0af-4123-27a8-5e5afc9081d2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{c17c264d-f0af-4123-27a8-5e5afc9081d2}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c17c264d-f0af-4123-27a8-5e5afc9081d2}\ = "adzgalore"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c17c264d-f0af-4123-27a8-5e5afc9081d2}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c17c264d-f0af-4123-27a8-5e5afc9081d2}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\55fedb82a4f07214fc8333f40ca0fa10.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c17c264d-f0af-4123-27a8-5e5afc9081d2}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c17c264d-f0af-4123-27a8-5e5afc9081d2}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28
PID 2040 wrote to memory of 1920	2040	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\55fedb82a4f07214fc8333f40ca0fa10.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\55fedb82a4f07214fc8333f40ca0fa10.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1920

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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