Malware Analysis Report

2025-08-10 23:15

Sample ID 221031-11ntgaedfp
Target 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
SHA256 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
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

88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15

Threat Level: Likely malicious

The file 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15 was found to be: Likely malicious.

Malicious Activity Summary


Executes dropped EXE

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-31 22:07

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:07

Reported

2022-10-31 22:09

Platform

win10v2004-20220812-en

Max time kernel

111s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.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 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 2080 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe
PID 3364 wrote to memory of 4648 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Windows\SysWOW64\schtasks.exe
PID 3364 wrote to memory of 4648 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Windows\SysWOW64\schtasks.exe
PID 3364 wrote to memory of 4648 N/A C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe C:\Windows\SysWOW64\schtasks.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1964 wrote to memory of 4248 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4248 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4248 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4248 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3464 wrote to memory of 4196 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\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe

"C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe"

C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.exe

C:\Users\Admin\AppData\Local\Temp\88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15.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
US 209.197.3.8:80 tcp
US 93.184.220.29:80 tcp
US 20.189.173.1:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/2080-135-0x0000000000310000-0x0000000000366000-memory.dmp

memory/2080-136-0x00000000076A0000-0x0000000007C44000-memory.dmp

memory/2080-137-0x0000000007190000-0x0000000007222000-memory.dmp

memory/2080-138-0x00000000074B0000-0x0000000007526000-memory.dmp

memory/2080-139-0x0000000007160000-0x000000000717E000-memory.dmp

memory/3364-140-0x0000000000000000-mapping.dmp

memory/3364-143-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4648-144-0x0000000000000000-mapping.dmp

memory/3364-141-0x0000000000400000-0x0000000000406000-memory.dmp

memory/3364-145-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 838ec54b0722b6ea3ff37ebc5eb3950b
SHA1 2a2a1a91671c738e620a2478498d72e785390f8b
SHA256 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
SHA512 0083cdf4e87527616cfab29250e62d8a55159825c2e9d86603aa7223d0b67ed3773df129662dafc9e68670bbfe77bd1a6be28e7e16b7681ce410caa545a0f41c

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

MD5 838ec54b0722b6ea3ff37ebc5eb3950b
SHA1 2a2a1a91671c738e620a2478498d72e785390f8b
SHA256 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
SHA512 0083cdf4e87527616cfab29250e62d8a55159825c2e9d86603aa7223d0b67ed3773df129662dafc9e68670bbfe77bd1a6be28e7e16b7681ce410caa545a0f41c

memory/4248-148-0x0000000000000000-mapping.dmp

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

MD5 838ec54b0722b6ea3ff37ebc5eb3950b
SHA1 2a2a1a91671c738e620a2478498d72e785390f8b
SHA256 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
SHA512 0083cdf4e87527616cfab29250e62d8a55159825c2e9d86603aa7223d0b67ed3773df129662dafc9e68670bbfe77bd1a6be28e7e16b7681ce410caa545a0f41c

memory/4856-153-0x0000000000000000-mapping.dmp

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

MD5 838ec54b0722b6ea3ff37ebc5eb3950b
SHA1 2a2a1a91671c738e620a2478498d72e785390f8b
SHA256 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
SHA512 0083cdf4e87527616cfab29250e62d8a55159825c2e9d86603aa7223d0b67ed3773df129662dafc9e68670bbfe77bd1a6be28e7e16b7681ce410caa545a0f41c

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

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

memory/4196-156-0x0000000000000000-mapping.dmp

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

MD5 838ec54b0722b6ea3ff37ebc5eb3950b
SHA1 2a2a1a91671c738e620a2478498d72e785390f8b
SHA256 88c2eaa8f32f2471cd8af0557c0e6e8ffa243bdfa624409d6c04294d17034a15
SHA512 0083cdf4e87527616cfab29250e62d8a55159825c2e9d86603aa7223d0b67ed3773df129662dafc9e68670bbfe77bd1a6be28e7e16b7681ce410caa545a0f41c