Malware Analysis Report

2025-08-05 16:44

Sample ID 240204-xleqgaafaq
Target 8fe72633f6b0fb3ab0e91047b9e9dfc7
SHA256 8b03a03fab5823b2c1d25512f55cc08452fb3a8fda6c83c53bbba7bbdb6bc42e
Tags
adware stealer
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

8b03a03fab5823b2c1d25512f55cc08452fb3a8fda6c83c53bbba7bbdb6bc42e

Threat Level: Shows suspicious behavior

The file 8fe72633f6b0fb3ab0e91047b9e9dfc7 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Checks computer location settings

Deletes itself

Installs/modifies Browser Helper Object

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-04 18:56

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-04 18:56

Reported

2024-02-04 18:58

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3a729da-eabc-df50-1842-dfd682644311} C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\mswapi.dll C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311} C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ = "C:\\Windows\\SysWow64\\mswapi.dll" C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\script = 18b449998991e1c3e4419ec72743b4d1b41bc098362d58e33d16a18321fe2c6d846ec0 C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe

"C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delt.bat" "

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 61.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/1916-0-0x0000000000510000-0x0000000000519000-memory.dmp

memory/1916-3-0x00000000001C0000-0x00000000001C7000-memory.dmp

memory/1916-6-0x0000000000510000-0x0000000000519000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\delt.bat

MD5 f73a3b3d034e62ea99d1f4e01b6cb41e
SHA1 22f63a73d1d28de7270fb6615c0d0059b5043f7c
SHA256 5dd75c9f9a26d02c0d646d1dd6c886c63f6af52104f1637d19eb7ccafd6d1f88
SHA512 b59771f658c4d12693c4db333e15f132093f868e87bd111de5384bc47cb921987899c3c6f078faf650b26aeda299560bfce7514077fbbb45102505abb23272b1

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 18:56

Reported

2024-02-04 18:58

Platform

win7-20231215-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3a729da-eabc-df50-1842-dfd682644311} C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\mswapi.dll C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311} C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ = "C:\\Windows\\SysWow64\\mswapi.dll" C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\script = 18b449998991e1c3e4419ec72743b4d1b41bc098362d58e33d16a18321fe2c6d846ec0 C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe

"C:\Users\Admin\AppData\Local\Temp\8fe72633f6b0fb3ab0e91047b9e9dfc7.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\delt.bat" "

Network

N/A

Files

memory/2056-0-0x0000000000510000-0x0000000000519000-memory.dmp

memory/2056-3-0x0000000000400000-0x0000000000407000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\delt.bat

MD5 f73a3b3d034e62ea99d1f4e01b6cb41e
SHA1 22f63a73d1d28de7270fb6615c0d0059b5043f7c
SHA256 5dd75c9f9a26d02c0d646d1dd6c886c63f6af52104f1637d19eb7ccafd6d1f88
SHA512 b59771f658c4d12693c4db333e15f132093f868e87bd111de5384bc47cb921987899c3c6f078faf650b26aeda299560bfce7514077fbbb45102505abb23272b1

memory/2056-11-0x0000000000510000-0x0000000000519000-memory.dmp