baf2b7d70e1f1a6464be7b5387d8fb9536334daf30c5794bb1345d7cacddb9bb

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 21:39

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General

Target

51af8887c0d5e5756680d36487708f56.dll
Size

636KB
MD5

51af8887c0d5e5756680d36487708f56
SHA1

0ea43e6ed485fa52780d91dc626dab9e02c8b93d
SHA256

baf2b7d70e1f1a6464be7b5387d8fb9536334daf30c5794bb1345d7cacddb9bb
SHA512

2953a6ba7ff61cfb3aa9945fa0e84ca9c4d898cab6f741d2fc7786fb79c6f2cff5f1fca908125a68c41d7a8a53de370a377e3efc31c6bfc93601199b35b281b0
SSDEEP

12288:1M0t9FNcxDMmfrLAF8rZIRf2MmsX4egudxEhhL/fO79s:jtjNcXnVInv4e3dxQhT

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-1D9B-FB87-DA31-1AD1837CAE3C}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\51af8887c0d5e5756680d36487708f56.axc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\51af8887c0d5e5756680d36487708f56.axc\Clsid\ = "{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\51af8887c0d5e5756680d36487708f56.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\51af8887c0d5e5756680d36487708f56.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\51af8887c0d5e5756680d36487708f56.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}\ProgID\ = "51af8887c0d5e5756680d36487708f56.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D9B-FB87-DA31-1AD1837CAE3C}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 4904	3700	regsvr32.exe	88
PID 3700 wrote to memory of 4904	3700	regsvr32.exe	88
PID 3700 wrote to memory of 4904	3700	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\51af8887c0d5e5756680d36487708f56.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\51af8887c0d5e5756680d36487708f56.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4904

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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