8ca4dd15138f19b9f08ec94d3bd8617021fb0e5a451b12c52ee01ed60d67c514

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 03:30

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General

Target
9aa5ec961653bcc08217ec178af6693a.dll
Size 563KB
Sample240214-d2vl3sha79
SHA256 8ca4dd15138f19b9f08ec94d3bd8617021fb0e5a451b12c52ee01ed60d67c514
MD5 9aa5ec961653bcc08217ec178af6693a
SHA1 c40a179b473ee7ad58126ae0da70b605e4bea4f0
SHA512 6647a78a2097d6c976a58a5a4b39e00acc688ff8a0a3c25392365163952a3a4f5a5ad7fdacea9e7a642382222302ef2624c2d7cca1d7dc7996dd35213114650a
SSDEEP 12288:U0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnFS9XRol:ctWDcw4o4Ts/9CknA9R
MD5 SHA1 SHA512 SSDEEP

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-B9FD-4731-21A8-E4A6F589893E}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9aa5ec961653bcc08217ec178af6693a.sh	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9aa5ec961653bcc08217ec178af6693a.sh\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9aa5ec961653bcc08217ec178af6693a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9aa5ec961653bcc08217ec178af6693a.sh\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9aa5ec961653bcc08217ec178af6693a.sh\Clsid\ = "{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B9FD-4731-21A8-E4A6F589893E}\ProgID\ = "9aa5ec961653bcc08217ec178af6693a.sh"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 2388	5084	regsvr32.exe	83
PID 5084 wrote to memory of 2388	5084	regsvr32.exe	83
PID 5084 wrote to memory of 2388	5084	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9aa5ec961653bcc08217ec178af6693a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9aa5ec961653bcc08217ec178af6693a.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2388

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/2388-0-0x0000000000890000-0x0000000000922000-memory.dmp

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