Malware Analysis Report

2025-08-10 23:15

Sample ID 221031-1z6b5aedeq
Target ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
SHA256 ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
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

ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877

Threat Level: Likely malicious

The file ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877 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 22:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:06

Reported

2022-10-31 22:08

Platform

win10-20220812-en

Max time kernel

106s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.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 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 2408 wrote to memory of 4388 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe
PID 4388 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Windows\SysWOW64\schtasks.exe
PID 4388 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Windows\SysWOW64\schtasks.exe
PID 4388 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe C:\Windows\SysWOW64\schtasks.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1292 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4780 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4780 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4780 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4920 wrote to memory of 4308 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\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe

"C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe"

C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.exe

C:\Users\Admin\AppData\Local\Temp\ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877.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 51.104.15.252:443 tcp

Files

memory/2408-115-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-116-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-117-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-118-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-119-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-120-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-121-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-122-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-123-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-124-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-125-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-126-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-127-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-129-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-128-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-130-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-131-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-132-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-133-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-134-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-135-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-136-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-138-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-137-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-139-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-140-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-142-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-141-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-144-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-143-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-145-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-146-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-147-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-148-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-149-0x0000000000630000-0x0000000000686000-memory.dmp

memory/2408-151-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-150-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-153-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-154-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-155-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-156-0x0000000007330000-0x00000000073FC000-memory.dmp

memory/2408-152-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-157-0x0000000007900000-0x0000000007DFE000-memory.dmp

memory/2408-158-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-159-0x00000000074A0000-0x0000000007532000-memory.dmp

memory/2408-160-0x00000000050C0000-0x00000000050C6000-memory.dmp

memory/2408-161-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-162-0x0000000007740000-0x00000000077B6000-memory.dmp

memory/2408-165-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-164-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-163-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-166-0x0000000007440000-0x000000000745E000-memory.dmp

memory/2408-168-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-167-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-169-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-172-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-171-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-170-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-173-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4388-176-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-179-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-186-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-185-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-184-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-183-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-181-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-182-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/2408-178-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-177-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/5004-208-0x0000000000000000-mapping.dmp

memory/4388-175-0x0000000077460000-0x00000000775EE000-memory.dmp

memory/4388-174-0x0000000000402354-mapping.dmp

memory/4388-227-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 0c3344a9e7c367e0108bd1fe6da9d5cd
SHA1 dcf2388646558b0a5c5b930e06f70c8a15f3fbbf
SHA256 ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
SHA512 7061648db6e5792ab1eb19a01a7a2a28658e4f58c78b9f144808f9e168b22957c22b57b15913b126914be6f788b6be8021a37be775be5a4ec17495e73f97dca3

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

MD5 0c3344a9e7c367e0108bd1fe6da9d5cd
SHA1 dcf2388646558b0a5c5b930e06f70c8a15f3fbbf
SHA256 ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
SHA512 7061648db6e5792ab1eb19a01a7a2a28658e4f58c78b9f144808f9e168b22957c22b57b15913b126914be6f788b6be8021a37be775be5a4ec17495e73f97dca3

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

MD5 0c3344a9e7c367e0108bd1fe6da9d5cd
SHA1 dcf2388646558b0a5c5b930e06f70c8a15f3fbbf
SHA256 ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
SHA512 7061648db6e5792ab1eb19a01a7a2a28658e4f58c78b9f144808f9e168b22957c22b57b15913b126914be6f788b6be8021a37be775be5a4ec17495e73f97dca3

memory/4780-284-0x0000000000402354-mapping.dmp

memory/3952-318-0x0000000000000000-mapping.dmp

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

MD5 0c3344a9e7c367e0108bd1fe6da9d5cd
SHA1 dcf2388646558b0a5c5b930e06f70c8a15f3fbbf
SHA256 ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
SHA512 7061648db6e5792ab1eb19a01a7a2a28658e4f58c78b9f144808f9e168b22957c22b57b15913b126914be6f788b6be8021a37be775be5a4ec17495e73f97dca3

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

MD5 db5ef8d7c51bad129d9097bf953e4913
SHA1 8439db960aa2d431bf5ec3c37af775b45eb07e06
SHA256 1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9
SHA512 04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

memory/4308-391-0x0000000000402354-mapping.dmp

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

MD5 0c3344a9e7c367e0108bd1fe6da9d5cd
SHA1 dcf2388646558b0a5c5b930e06f70c8a15f3fbbf
SHA256 ecf2f8e6c69e2721d7500f988ce9796ff6f4589aa27be039c5e952485b07a877
SHA512 7061648db6e5792ab1eb19a01a7a2a28658e4f58c78b9f144808f9e168b22957c22b57b15913b126914be6f788b6be8021a37be775be5a4ec17495e73f97dca3