Malware Analysis Report

2025-08-05 17:32

Sample ID 221101-mqqcnabhdr
Target 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
SHA256 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
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

545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59

Threat Level: Likely malicious

The file 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59 was found to be: Likely malicious.

Malicious Activity Summary


Executes dropped EXE

Suspicious use of SetThreadContext

Program crash

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-01 10:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-01 10:40

Reported

2022-11-01 10:43

Platform

win10-20220812-en

Max time kernel

96s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.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 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 2676 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe
PID 5104 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Windows\SysWOW64\schtasks.exe
PID 5104 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Windows\SysWOW64\schtasks.exe
PID 5104 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe C:\Windows\SysWOW64\schtasks.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4124 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 8 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4924 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4924 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4924 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe

"C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe"

C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.exe

C:\Users\Admin\AppData\Local\Temp\545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59.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\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 152

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"

Network

Country Destination Domain Proto
DE 199.247.19.116:80 tcp
NL 81.171.15.109:443 tcp
US 13.89.178.26:443 tcp

Files

memory/2676-115-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-116-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-117-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-118-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-119-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-120-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-121-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-122-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-123-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-124-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-126-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-127-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-128-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-125-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-129-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-130-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-131-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-132-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-133-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-134-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-135-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-136-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-138-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-137-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-139-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-140-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-141-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-142-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-143-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-144-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-145-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-146-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-147-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-148-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-149-0x00000000008C0000-0x0000000000916000-memory.dmp

memory/2676-150-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-151-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-152-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-155-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-154-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-153-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-156-0x00000000075B0000-0x000000000767C000-memory.dmp

memory/2676-157-0x0000000007B80000-0x000000000807E000-memory.dmp

memory/2676-158-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-159-0x0000000007720000-0x00000000077B2000-memory.dmp

memory/2676-160-0x0000000007680000-0x0000000007686000-memory.dmp

memory/2676-161-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-162-0x00000000079C0000-0x0000000007A36000-memory.dmp

memory/2676-163-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-165-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-164-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-166-0x00000000076D0000-0x00000000076EE000-memory.dmp

memory/2676-169-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-172-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-171-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-170-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-168-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/2676-167-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-175-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-173-0x0000000000400000-0x0000000000406000-memory.dmp

memory/5104-176-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-177-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-174-0x0000000000402354-mapping.dmp

memory/2676-178-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-179-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-181-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-182-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-183-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-184-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-185-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/5104-186-0x0000000076EA0000-0x000000007702E000-memory.dmp

memory/3960-208-0x0000000000000000-mapping.dmp

memory/5104-227-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 fa2663255be8e0bfe2a6a5f2a9b89a94
SHA1 fe3208c501e0f82317693c158810ecafe5f989e4
SHA256 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
SHA512 57d3b18cb335269a4be802896572aa16295d2d8daffe4318231f623f480cdd717b250a96fed1c680df9386209c6d427a731505d71552640870a3d68030279927

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

MD5 fa2663255be8e0bfe2a6a5f2a9b89a94
SHA1 fe3208c501e0f82317693c158810ecafe5f989e4
SHA256 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
SHA512 57d3b18cb335269a4be802896572aa16295d2d8daffe4318231f623f480cdd717b250a96fed1c680df9386209c6d427a731505d71552640870a3d68030279927

memory/4548-284-0x0000000000402354-mapping.dmp

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

MD5 fa2663255be8e0bfe2a6a5f2a9b89a94
SHA1 fe3208c501e0f82317693c158810ecafe5f989e4
SHA256 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
SHA512 57d3b18cb335269a4be802896572aa16295d2d8daffe4318231f623f480cdd717b250a96fed1c680df9386209c6d427a731505d71552640870a3d68030279927

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

MD5 fa2663255be8e0bfe2a6a5f2a9b89a94
SHA1 fe3208c501e0f82317693c158810ecafe5f989e4
SHA256 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
SHA512 57d3b18cb335269a4be802896572aa16295d2d8daffe4318231f623f480cdd717b250a96fed1c680df9386209c6d427a731505d71552640870a3d68030279927

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

MD5 db5ef8d7c51bad129d9097bf953e4913
SHA1 8439db960aa2d431bf5ec3c37af775b45eb07e06
SHA256 1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9
SHA512 04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

memory/4924-344-0x0000000000402354-mapping.dmp

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

MD5 fa2663255be8e0bfe2a6a5f2a9b89a94
SHA1 fe3208c501e0f82317693c158810ecafe5f989e4
SHA256 545bb4b6a14382f9965d81d0aef4a1accd604e5cc55d5c3618212da461d4fe59
SHA512 57d3b18cb335269a4be802896572aa16295d2d8daffe4318231f623f480cdd717b250a96fed1c680df9386209c6d427a731505d71552640870a3d68030279927

memory/4924-378-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4960-379-0x0000000000000000-mapping.dmp