93606cea3569bcf9652bbadf913345ec8f5667572e4472a5e63463400a3e1c14

Analysis

max time kernel
38s
max time network
32s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 21:35

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General

Target

04914fc0401a92c6337d20ab50b12cb6.dll
Size

640KB
MD5

04914fc0401a92c6337d20ab50b12cb6
SHA1

61073d0fd3bbca3e155fc3183e252b11101ada89
SHA256

93606cea3569bcf9652bbadf913345ec8f5667572e4472a5e63463400a3e1c14
SHA512

b5f7d2d89ec98ebbd96b97cea42d7d283f071dfa15b11c087f585c28a932fea0f1cbe30ac61896c46f333e6a5608b262d625f9aae7240d4a30d0d79ff256c091
SSDEEP

12288:+0Et9YDc5DMWfT44XUDxoyiD02sHL1Q3h+g2tePm:utWDc/EXouPL1Oh+gA+

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-88B7-6B56-CA48-F922E397D7D2}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\04914fc0401a92c6337d20ab50b12cb6.brm inc\Clsid\ = "{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}\ProgID\ = "04914fc0401a92c6337d20ab50b12cb6.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\04914fc0401a92c6337d20ab50b12cb6.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04914fc0401a92c6337d20ab50b12cb6.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\04914fc0401a92c6337d20ab50b12cb6.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\04914fc0401a92c6337d20ab50b12cb6.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88B7-6B56-CA48-F922E397D7D2}\ = "brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29
PID 2612 wrote to memory of 2780	2612	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04914fc0401a92c6337d20ab50b12cb6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\04914fc0401a92c6337d20ab50b12cb6.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2780

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

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Downloads

memory/2780-0-0x00000000009C0000-0x0000000000A65000-memory.dmp

Filesize
660KB

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