Malware Analysis Report

2025-08-05 17:23

Sample ID 221031-2t82hadhf3
Target c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
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

c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8

Threat Level: Likely malicious

The file c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8 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 22:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:53

Reported

2022-10-31 22:56

Platform

win10v2004-20220812-en

Max time kernel

145s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.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 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 5048 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe
PID 4772 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Windows\SysWOW64\schtasks.exe
PID 4772 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Windows\SysWOW64\schtasks.exe
PID 4772 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe C:\Windows\SysWOW64\schtasks.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4016 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4012 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4012 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4012 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4496 wrote to memory of 4228 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 4228 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 4228 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4496 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2144 wrote to memory of 628 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\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe

"C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe"

C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.exe

C:\Users\Admin\AppData\Local\Temp\c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8.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

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

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 20.42.65.89:443 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp

Files

memory/5048-132-0x0000000000B70000-0x0000000000BC6000-memory.dmp

memory/5048-133-0x00000000080A0000-0x0000000008644000-memory.dmp

memory/5048-134-0x0000000007B90000-0x0000000007C22000-memory.dmp

memory/5048-135-0x0000000007E30000-0x0000000007EA6000-memory.dmp

memory/5048-136-0x0000000007B10000-0x0000000007B2E000-memory.dmp

memory/4772-137-0x0000000000000000-mapping.dmp

memory/4772-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4772-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4772-141-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1372-142-0x0000000000000000-mapping.dmp

memory/4772-143-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

memory/4012-146-0x0000000000000000-mapping.dmp

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

memory/3876-151-0x0000000000000000-mapping.dmp

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

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

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

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

memory/440-155-0x0000000000000000-mapping.dmp

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290

memory/628-161-0x0000000000000000-mapping.dmp

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

MD5 477548ccd20de6e635a69558bbdd643e
SHA1 ec7a18fcbf0f7be2890deca54ac883056e20c5d7
SHA256 c54ba5e78f881f6051f04e1a8083f583d9f98de92ab2064bcfb8cb8891b85be8
SHA512 c45fff18a2e35eb2ed3887daf6914c88dfb04161b6cacd4961769561634ad9820199c5efac9e90de8052107da1b3dc75199a0e82e0dfec93ca3f3eb370f5b290