37ffac417bc65d2d656c29feefaaa03700843ed2b069e0bbeed44c29a7069f17

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:03

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General

Target
8f9342e057c67c722367641c3452b6b8.dll
Size 396KB
Sample240204-thc6pafgdm
SHA256 37ffac417bc65d2d656c29feefaaa03700843ed2b069e0bbeed44c29a7069f17
MD5 8f9342e057c67c722367641c3452b6b8
SHA1 553074ac1f1f3a630a17a0d72560baeb5a92fc4d
SHA512 642e6fabd1cc3682c4c74097fc8765ae7fede30d808aebe08817172488a48f22af5e5cd3fb7067be08e0357e0311722197d468643ebd63c42eeb6ed0b3f7023f
SSDEEP 12288:JFqV1XsQRyLd/DbwE0SN/l9HGUBgkUbmGmJlxfm:JFqVKQRmhfwEX1l9mdKlxu
MD5 SHA1 SHA512 SSDEEP

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\{14E741E7-3F4D-481F-8793-6A6480379A69}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{14E741E7-3F4D-481F-8793-6A6480379A69}\NoExplorer = "1"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_SCRIPT_PASTE_URLACTION_IF_PROMPT	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_SCRIPT_PASTE_URLACTION_IF_PROMPT\iexplore.exe = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8f9342e057c67c722367641c3452b6b8.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1736	4528	regsvr32.exe	85
PID 4528 wrote to memory of 1736	4528	regsvr32.exe	85
PID 4528 wrote to memory of 1736	4528	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8f9342e057c67c722367641c3452b6b8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8f9342e057c67c722367641c3452b6b8.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1736

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/1736-0-0x0000000000400000-0x0000000000513000-memory.dmp

Download

memory/1736-1-0x0000000001370000-0x000000000137B000-memory.dmp

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memory/1736-2-0x0000000001370000-0x000000000137B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads