Malware Analysis Report

2025-08-05 17:32

Sample ID 221101-mpyyeaahf7
Target a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
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

a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8

Threat Level: Likely malicious

The file a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8 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 10:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-01 10:39

Reported

2022-11-01 10:41

Platform

win10v2004-20220812-en

Max time kernel

116s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.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 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 3196 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe
PID 4348 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Windows\SysWOW64\schtasks.exe
PID 4348 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Windows\SysWOW64\schtasks.exe
PID 4348 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe C:\Windows\SysWOW64\schtasks.exe
PID 5056 wrote to memory of 3632 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 3632 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 3632 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 5056 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4640 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4640 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4640 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1696 wrote to memory of 1252 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\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe

"C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe"

C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.exe

C:\Users\Admin\AppData\Local\Temp\a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8.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
IE 13.69.239.72:443 tcp

Files

memory/3196-132-0x0000000000A20000-0x0000000000A76000-memory.dmp

memory/3196-133-0x0000000007F80000-0x0000000008524000-memory.dmp

memory/3196-134-0x0000000007A70000-0x0000000007B02000-memory.dmp

memory/3196-135-0x0000000007D10000-0x0000000007D86000-memory.dmp

memory/3196-136-0x0000000005680000-0x000000000569E000-memory.dmp

memory/4348-137-0x0000000000000000-mapping.dmp

memory/4620-141-0x0000000000000000-mapping.dmp

memory/4348-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4348-142-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4348-138-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 1f275bf8f4408f95ec6e48e344ce50f1
SHA1 ee81dbe9318d3eca79a85bd8ee3c2631b7d1c743
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA512 ac684d7f1a5a45ad4a6e2db1dd165593c810730730ee5637af510b690edf54ad78ba8a56c11be1ce9401d9524fbfc94c811bd505a9ef3424f5b1a98d8b780d37

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

MD5 1f275bf8f4408f95ec6e48e344ce50f1
SHA1 ee81dbe9318d3eca79a85bd8ee3c2631b7d1c743
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA512 ac684d7f1a5a45ad4a6e2db1dd165593c810730730ee5637af510b690edf54ad78ba8a56c11be1ce9401d9524fbfc94c811bd505a9ef3424f5b1a98d8b780d37

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

MD5 1f275bf8f4408f95ec6e48e344ce50f1
SHA1 ee81dbe9318d3eca79a85bd8ee3c2631b7d1c743
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA512 ac684d7f1a5a45ad4a6e2db1dd165593c810730730ee5637af510b690edf54ad78ba8a56c11be1ce9401d9524fbfc94c811bd505a9ef3424f5b1a98d8b780d37

memory/4640-146-0x0000000000000000-mapping.dmp

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

MD5 1f275bf8f4408f95ec6e48e344ce50f1
SHA1 ee81dbe9318d3eca79a85bd8ee3c2631b7d1c743
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA512 ac684d7f1a5a45ad4a6e2db1dd165593c810730730ee5637af510b690edf54ad78ba8a56c11be1ce9401d9524fbfc94c811bd505a9ef3424f5b1a98d8b780d37

memory/540-151-0x0000000000000000-mapping.dmp

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

MD5 1f275bf8f4408f95ec6e48e344ce50f1
SHA1 ee81dbe9318d3eca79a85bd8ee3c2631b7d1c743
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA512 ac684d7f1a5a45ad4a6e2db1dd165593c810730730ee5637af510b690edf54ad78ba8a56c11be1ce9401d9524fbfc94c811bd505a9ef3424f5b1a98d8b780d37

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

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

memory/1252-154-0x0000000000000000-mapping.dmp

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

MD5 1f275bf8f4408f95ec6e48e344ce50f1
SHA1 ee81dbe9318d3eca79a85bd8ee3c2631b7d1c743
SHA256 a7cdf34f83c1412cbbbd4887fc1b8f4a3fb984f6af37f460474b9021098dd4f8
SHA512 ac684d7f1a5a45ad4a6e2db1dd165593c810730730ee5637af510b690edf54ad78ba8a56c11be1ce9401d9524fbfc94c811bd505a9ef3424f5b1a98d8b780d37