Malware Analysis Report

2025-08-05 17:33

Sample ID 221101-mm661aahd4
Target 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
Tags
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5

Threat Level: Likely malicious

The file 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5 was found to be: Likely malicious.

Malicious Activity Summary


Executes dropped EXE

Suspicious use of SetThreadContext

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-01 10:35

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-01 10:35

Reported

2022-11-01 10:38

Platform

win10v2004-20220812-en

Max time kernel

122s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe"

Signatures

Creates scheduled task(s)

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4336 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 4336 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe
PID 1404 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Windows\SysWOW64\schtasks.exe
PID 1404 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Windows\SysWOW64\schtasks.exe
PID 1404 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe C:\Windows\SysWOW64\schtasks.exe
PID 4916 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4916 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4152 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4152 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4152 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2492 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe

"C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe"

C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe

C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe

C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe

C:\Users\Admin\AppData\Local\Temp\6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5.exe

C:\Windows\SysWOW64\schtasks.exe

/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Windows\SysWOW64\schtasks.exe

/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Network

Country Destination Domain Proto
US 13.89.179.8:443 tcp

Files

memory/4336-132-0x0000000000C60000-0x0000000000CB6000-memory.dmp

memory/4336-133-0x0000000008120000-0x00000000086C4000-memory.dmp

memory/4336-134-0x0000000007C50000-0x0000000007CE2000-memory.dmp

memory/4336-135-0x0000000007EF0000-0x0000000007F66000-memory.dmp

memory/4336-136-0x0000000005750000-0x000000000576E000-memory.dmp

memory/1404-137-0x0000000000000000-mapping.dmp

memory/1404-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1404-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1348-141-0x0000000000000000-mapping.dmp

memory/1404-142-0x0000000000400000-0x0000000000406000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 dd70f8eb6e07166d59cc0d7146819662
SHA1 677c9269c098e45113301ecfee96bf6857abaf1f
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA512 549fd931b4119b6fd3b7696e78b835d28970bbd8ce64dd53bcb2a43185717780f02a13ec0d248f0dd361740c11483a600df1a659399d66fc6ddb06d03f59ec7b

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 dd70f8eb6e07166d59cc0d7146819662
SHA1 677c9269c098e45113301ecfee96bf6857abaf1f
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA512 549fd931b4119b6fd3b7696e78b835d28970bbd8ce64dd53bcb2a43185717780f02a13ec0d248f0dd361740c11483a600df1a659399d66fc6ddb06d03f59ec7b

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 dd70f8eb6e07166d59cc0d7146819662
SHA1 677c9269c098e45113301ecfee96bf6857abaf1f
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA512 549fd931b4119b6fd3b7696e78b835d28970bbd8ce64dd53bcb2a43185717780f02a13ec0d248f0dd361740c11483a600df1a659399d66fc6ddb06d03f59ec7b

memory/4152-146-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 dd70f8eb6e07166d59cc0d7146819662
SHA1 677c9269c098e45113301ecfee96bf6857abaf1f
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA512 549fd931b4119b6fd3b7696e78b835d28970bbd8ce64dd53bcb2a43185717780f02a13ec0d248f0dd361740c11483a600df1a659399d66fc6ddb06d03f59ec7b

memory/748-151-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 dd70f8eb6e07166d59cc0d7146819662
SHA1 677c9269c098e45113301ecfee96bf6857abaf1f
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA512 549fd931b4119b6fd3b7696e78b835d28970bbd8ce64dd53bcb2a43185717780f02a13ec0d248f0dd361740c11483a600df1a659399d66fc6ddb06d03f59ec7b

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

MD5 03d2df1e8834bc4ec1756735429b458c
SHA1 4ee6c0f5b04c8e0c5076219c5724032daab11d40
SHA256 745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631
SHA512 2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

memory/380-154-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 dd70f8eb6e07166d59cc0d7146819662
SHA1 677c9269c098e45113301ecfee96bf6857abaf1f
SHA256 6c527881ef54e9db63b8a734f5d824b8ee1cff981f0ea1b67595515c8efcebb5
SHA512 549fd931b4119b6fd3b7696e78b835d28970bbd8ce64dd53bcb2a43185717780f02a13ec0d248f0dd361740c11483a600df1a659399d66fc6ddb06d03f59ec7b