Malware Analysis Report

2025-08-05 17:32

Sample ID 221101-mpff3aahf2
Target 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
SHA256 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
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

662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b

Threat Level: Likely malicious

The file 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b 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 10:38

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-01 10:38

Reported

2022-11-01 10:40

Platform

win10v2004-20220812-en

Max time kernel

110s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.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 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4652 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe
PID 4132 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Windows\SysWOW64\schtasks.exe
PID 4132 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Windows\SysWOW64\schtasks.exe
PID 4132 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe C:\Windows\SysWOW64\schtasks.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3168 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4996 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4996 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4996 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3136 wrote to memory of 3388 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\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe

"C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe"

C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.exe

C:\Users\Admin\AppData\Local\Temp\662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b.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 52.168.117.170:443 tcp
US 8.252.51.254:80 tcp
US 8.253.183.120:80 tcp
NL 104.80.225.205:443 tcp
US 209.197.3.8:80 tcp

Files

memory/4652-132-0x0000000000090000-0x00000000000E6000-memory.dmp

memory/4652-133-0x00000000075B0000-0x0000000007B54000-memory.dmp

memory/4652-134-0x00000000070A0000-0x0000000007132000-memory.dmp

memory/4652-135-0x0000000007340000-0x00000000073B6000-memory.dmp

memory/4652-136-0x0000000007020000-0x000000000703E000-memory.dmp

memory/4132-137-0x0000000000000000-mapping.dmp

memory/4132-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4132-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1864-141-0x0000000000000000-mapping.dmp

memory/4132-142-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 d200cd27060cb8e864d7b535a04d3805
SHA1 ff62458cbf6736ee8f8a5c313a9c2146f9ef819f
SHA256 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
SHA512 59d639b01f79d63a699098a2be00ab65dffb2573a28aae649842ad86568ad1c3e8196f42142f8baefcd605f1d56dda6c62e3794868124f86977b9e8427e13d97

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

MD5 d200cd27060cb8e864d7b535a04d3805
SHA1 ff62458cbf6736ee8f8a5c313a9c2146f9ef819f
SHA256 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
SHA512 59d639b01f79d63a699098a2be00ab65dffb2573a28aae649842ad86568ad1c3e8196f42142f8baefcd605f1d56dda6c62e3794868124f86977b9e8427e13d97

memory/4996-145-0x0000000000000000-mapping.dmp

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

MD5 d200cd27060cb8e864d7b535a04d3805
SHA1 ff62458cbf6736ee8f8a5c313a9c2146f9ef819f
SHA256 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
SHA512 59d639b01f79d63a699098a2be00ab65dffb2573a28aae649842ad86568ad1c3e8196f42142f8baefcd605f1d56dda6c62e3794868124f86977b9e8427e13d97

memory/2444-150-0x0000000000000000-mapping.dmp

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

MD5 d200cd27060cb8e864d7b535a04d3805
SHA1 ff62458cbf6736ee8f8a5c313a9c2146f9ef819f
SHA256 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
SHA512 59d639b01f79d63a699098a2be00ab65dffb2573a28aae649842ad86568ad1c3e8196f42142f8baefcd605f1d56dda6c62e3794868124f86977b9e8427e13d97

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

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

memory/3388-153-0x0000000000000000-mapping.dmp

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

MD5 d200cd27060cb8e864d7b535a04d3805
SHA1 ff62458cbf6736ee8f8a5c313a9c2146f9ef819f
SHA256 662b0ac53e9107d8e7f08f9d916986c77d684d656fdecdfec8e8324c1a09ea5b
SHA512 59d639b01f79d63a699098a2be00ab65dffb2573a28aae649842ad86568ad1c3e8196f42142f8baefcd605f1d56dda6c62e3794868124f86977b9e8427e13d97