Malware Analysis Report

2025-08-05 17:23

Sample ID 221031-2tb2rseghn
Target 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
SHA256 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
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

5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1

Threat Level: Likely malicious

The file 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1 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 22:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:51

Reported

2022-10-31 22:54

Platform

win10-20220812-en

Max time kernel

123s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.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 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 1776 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe
PID 2576 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Windows\SysWOW64\schtasks.exe
PID 2576 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Windows\SysWOW64\schtasks.exe
PID 2576 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe C:\Windows\SysWOW64\schtasks.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3416 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4244 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4244 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4244 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3976 wrote to memory of 1332 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\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe

"C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe"

C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.exe

C:\Users\Admin\AppData\Local\Temp\5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1.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
GB 51.105.71.137:443 tcp
US 93.184.221.240:80 tcp

Files

memory/1776-116-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-117-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-118-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-119-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-120-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-121-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-122-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-123-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-124-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-125-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-126-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-127-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-128-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-129-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-130-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-131-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-132-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-133-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-134-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-135-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-136-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-137-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-138-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-139-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-140-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-141-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-142-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-143-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-144-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-145-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-146-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-147-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-148-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-149-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-150-0x0000000000A00000-0x0000000000A56000-memory.dmp

memory/1776-151-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-152-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-153-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-154-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-155-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-156-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-157-0x0000000007730000-0x00000000077FC000-memory.dmp

memory/1776-158-0x0000000007D00000-0x00000000081FE000-memory.dmp

memory/1776-159-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-160-0x00000000078A0000-0x0000000007932000-memory.dmp

memory/1776-161-0x0000000005350000-0x0000000005356000-memory.dmp

memory/1776-162-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-163-0x0000000007B40000-0x0000000007BB6000-memory.dmp

memory/1776-164-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-165-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-166-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-167-0x0000000007820000-0x000000000783E000-memory.dmp

memory/1776-168-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-169-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-170-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-171-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-172-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-173-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-174-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2576-175-0x0000000000402354-mapping.dmp

memory/2576-176-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-177-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-178-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/1776-179-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-180-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-182-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-184-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-183-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-185-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-186-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/2576-187-0x0000000077C40000-0x0000000077DCE000-memory.dmp

memory/3404-209-0x0000000000000000-mapping.dmp

memory/2576-228-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 7e2202a4fe6215f7e8c2523716624fa2
SHA1 618f7148df9d5ac1370c7a79e8caed32545163ce
SHA256 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
SHA512 b61ea3a72d9d562bd68f7c244548d6fef5d372aefbb38b594555365dd1097b27366e72d8edea28f0dd788c196799be8bf2d8cb96c6175e80d189655485a80870

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

MD5 7e2202a4fe6215f7e8c2523716624fa2
SHA1 618f7148df9d5ac1370c7a79e8caed32545163ce
SHA256 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
SHA512 b61ea3a72d9d562bd68f7c244548d6fef5d372aefbb38b594555365dd1097b27366e72d8edea28f0dd788c196799be8bf2d8cb96c6175e80d189655485a80870

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

MD5 7e2202a4fe6215f7e8c2523716624fa2
SHA1 618f7148df9d5ac1370c7a79e8caed32545163ce
SHA256 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
SHA512 b61ea3a72d9d562bd68f7c244548d6fef5d372aefbb38b594555365dd1097b27366e72d8edea28f0dd788c196799be8bf2d8cb96c6175e80d189655485a80870

memory/4244-285-0x0000000000402354-mapping.dmp

memory/4012-319-0x0000000000000000-mapping.dmp

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

MD5 7e2202a4fe6215f7e8c2523716624fa2
SHA1 618f7148df9d5ac1370c7a79e8caed32545163ce
SHA256 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
SHA512 b61ea3a72d9d562bd68f7c244548d6fef5d372aefbb38b594555365dd1097b27366e72d8edea28f0dd788c196799be8bf2d8cb96c6175e80d189655485a80870

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

MD5 db5ef8d7c51bad129d9097bf953e4913
SHA1 8439db960aa2d431bf5ec3c37af775b45eb07e06
SHA256 1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9
SHA512 04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

memory/1332-392-0x0000000000402354-mapping.dmp

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

MD5 7e2202a4fe6215f7e8c2523716624fa2
SHA1 618f7148df9d5ac1370c7a79e8caed32545163ce
SHA256 5f88b53875cd796e472627811d99ee611730a291f42d31d0dc38eb59e385c7d1
SHA512 b61ea3a72d9d562bd68f7c244548d6fef5d372aefbb38b594555365dd1097b27366e72d8edea28f0dd788c196799be8bf2d8cb96c6175e80d189655485a80870