Malware Analysis Report

2025-08-05 17:29

Sample ID 221031-2vgzeadhf5
Target 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
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

163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d

Threat Level: Likely malicious

The file 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d 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 22:54

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:54

Reported

2022-10-31 22:56

Platform

win10v2004-20220812-en

Max time kernel

121s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.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 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 4904 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe
PID 5096 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Windows\SysWOW64\schtasks.exe
PID 5096 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Windows\SysWOW64\schtasks.exe
PID 5096 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe C:\Windows\SysWOW64\schtasks.exe
PID 2736 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2736 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3936 wrote to memory of 4860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3936 wrote to memory of 4860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3936 wrote to memory of 4860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1564 wrote to memory of 1820 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\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe

"C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe"

C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.exe

C:\Users\Admin\AppData\Local\Temp\163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d.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 20.189.173.13:443 tcp
US 8.8.8.8:53 106.89.54.20.in-addr.arpa udp
NL 104.80.225.205:443 tcp
NL 95.101.78.82:80 tcp
NL 95.101.78.82:80 tcp
US 209.197.3.8:80 tcp

Files

memory/4904-132-0x0000000000860000-0x00000000008B6000-memory.dmp

memory/4904-133-0x0000000007D80000-0x0000000008324000-memory.dmp

memory/4904-134-0x0000000007870000-0x0000000007902000-memory.dmp

memory/4904-135-0x0000000007B10000-0x0000000007B86000-memory.dmp

memory/4904-136-0x00000000077F0000-0x000000000780E000-memory.dmp

memory/5096-137-0x0000000000000000-mapping.dmp

memory/5096-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/5096-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2132-141-0x0000000000000000-mapping.dmp

memory/5096-142-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 295ceeabcd0cc7d5ca0a9c016f3cd720
SHA1 9a72e77520fee6b0ed4ee7077f3b5666f0ff61ad
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA512 48d135cf98c1d743eae346a02920d28ff1e0ca35afa4130f87d57c661b454db4c4bbae7065b6a911e04797f2f37981f899e48600e36121b64ff31171d2acda9f

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

MD5 295ceeabcd0cc7d5ca0a9c016f3cd720
SHA1 9a72e77520fee6b0ed4ee7077f3b5666f0ff61ad
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA512 48d135cf98c1d743eae346a02920d28ff1e0ca35afa4130f87d57c661b454db4c4bbae7065b6a911e04797f2f37981f899e48600e36121b64ff31171d2acda9f

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

MD5 295ceeabcd0cc7d5ca0a9c016f3cd720
SHA1 9a72e77520fee6b0ed4ee7077f3b5666f0ff61ad
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA512 48d135cf98c1d743eae346a02920d28ff1e0ca35afa4130f87d57c661b454db4c4bbae7065b6a911e04797f2f37981f899e48600e36121b64ff31171d2acda9f

memory/3936-146-0x0000000000000000-mapping.dmp

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

MD5 295ceeabcd0cc7d5ca0a9c016f3cd720
SHA1 9a72e77520fee6b0ed4ee7077f3b5666f0ff61ad
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA512 48d135cf98c1d743eae346a02920d28ff1e0ca35afa4130f87d57c661b454db4c4bbae7065b6a911e04797f2f37981f899e48600e36121b64ff31171d2acda9f

memory/4860-151-0x0000000000000000-mapping.dmp

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

MD5 295ceeabcd0cc7d5ca0a9c016f3cd720
SHA1 9a72e77520fee6b0ed4ee7077f3b5666f0ff61ad
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA512 48d135cf98c1d743eae346a02920d28ff1e0ca35afa4130f87d57c661b454db4c4bbae7065b6a911e04797f2f37981f899e48600e36121b64ff31171d2acda9f

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

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

memory/1820-154-0x0000000000000000-mapping.dmp

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

MD5 295ceeabcd0cc7d5ca0a9c016f3cd720
SHA1 9a72e77520fee6b0ed4ee7077f3b5666f0ff61ad
SHA256 163ebab99ff7571a5d96119abea3b91961c8086248f9a542418bed05ad447b8d
SHA512 48d135cf98c1d743eae346a02920d28ff1e0ca35afa4130f87d57c661b454db4c4bbae7065b6a911e04797f2f37981f899e48600e36121b64ff31171d2acda9f