Malware Analysis Report

2025-08-10 23:15

Sample ID 221031-1yq6taded8
Target c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
SHA256 c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
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

c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337

Threat Level: Likely malicious

The file c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337 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

2022-10-31 22:03

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:03

Reported

2022-10-31 22:06

Platform

win10v2004-20220812-en

Max time kernel

136s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.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 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 4972 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe
PID 2828 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Windows\SysWOW64\schtasks.exe
PID 2828 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Windows\SysWOW64\schtasks.exe
PID 2828 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe C:\Windows\SysWOW64\schtasks.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1156 wrote to memory of 3188 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3188 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3188 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3188 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1336 wrote to memory of 2352 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\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe

"C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe"

C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.exe

C:\Users\Admin\AppData\Local\Temp\c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337.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:\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
NL 104.80.225.205:443 tcp
US 52.182.143.211:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp

Files

memory/4972-132-0x0000000000EE0000-0x0000000000F36000-memory.dmp

memory/4972-133-0x0000000008330000-0x00000000088D4000-memory.dmp

memory/4972-134-0x0000000007E80000-0x0000000007F12000-memory.dmp

memory/4972-135-0x00000000081A0000-0x0000000008216000-memory.dmp

memory/4972-136-0x0000000008120000-0x000000000813E000-memory.dmp

memory/2828-137-0x0000000000000000-mapping.dmp

memory/2828-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2828-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/308-141-0x0000000000000000-mapping.dmp

memory/2828-142-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 75a3c5ae02037ac3da1efa9758fa9b81
SHA1 d41ccbcbea81586829f80b96cc6c3d1dc120ea25
SHA256 c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
SHA512 cc59c6f1d4645b7eb27e95b1bbbab2b2612693f84f0f5156e7e25c992ffab76a341e2d1fe9f915c9cdacb7e18b2ae8be8602099d4ddcf44b08e356ac7c8dfaaf

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

MD5 75a3c5ae02037ac3da1efa9758fa9b81
SHA1 d41ccbcbea81586829f80b96cc6c3d1dc120ea25
SHA256 c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
SHA512 cc59c6f1d4645b7eb27e95b1bbbab2b2612693f84f0f5156e7e25c992ffab76a341e2d1fe9f915c9cdacb7e18b2ae8be8602099d4ddcf44b08e356ac7c8dfaaf

memory/3188-145-0x0000000000000000-mapping.dmp

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

MD5 75a3c5ae02037ac3da1efa9758fa9b81
SHA1 d41ccbcbea81586829f80b96cc6c3d1dc120ea25
SHA256 c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
SHA512 cc59c6f1d4645b7eb27e95b1bbbab2b2612693f84f0f5156e7e25c992ffab76a341e2d1fe9f915c9cdacb7e18b2ae8be8602099d4ddcf44b08e356ac7c8dfaaf

memory/1236-150-0x0000000000000000-mapping.dmp

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

MD5 75a3c5ae02037ac3da1efa9758fa9b81
SHA1 d41ccbcbea81586829f80b96cc6c3d1dc120ea25
SHA256 c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
SHA512 cc59c6f1d4645b7eb27e95b1bbbab2b2612693f84f0f5156e7e25c992ffab76a341e2d1fe9f915c9cdacb7e18b2ae8be8602099d4ddcf44b08e356ac7c8dfaaf

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

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

memory/2352-153-0x0000000000000000-mapping.dmp

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

MD5 75a3c5ae02037ac3da1efa9758fa9b81
SHA1 d41ccbcbea81586829f80b96cc6c3d1dc120ea25
SHA256 c61bde36681e887414bf75459e9c93b761f9139908fb2dcf4b8a62c238d55337
SHA512 cc59c6f1d4645b7eb27e95b1bbbab2b2612693f84f0f5156e7e25c992ffab76a341e2d1fe9f915c9cdacb7e18b2ae8be8602099d4ddcf44b08e356ac7c8dfaaf