Malware Analysis Report

2025-03-14 22:10

Sample ID 240407-21bdtahb51
Target 880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c
SHA256 880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c
Tags
persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c

Threat Level: Shows suspicious behavior

The file 880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Checks computer location settings

Adds Run key to start application

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 23:02

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 23:02

Reported

2024-04-07 23:05

Platform

win7-20231129-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon13.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe

"C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\bugMAKER.bat

Network

N/A

Files

C:\Windows\bugMAKER.bat

MD5 86499ea81aea56c8062d26ac5fb3d78b
SHA1 e69403a4b320dffc5259a33abb66b7bf081c0c62
SHA256 4a1f83d9f5f5bf2d59caf98e3085074b43e6a459b6e2479fdac6f96c67874ae2
SHA512 0f1f072338225ec3d5fee4ee6470e783d6396bd6c0a647f19b3c16fcbfc8414879f865e25747e77d206bc3eedc79ada3fe5ca026c7380a345d9f0223b40db023

memory/2680-62-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/2220-67-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 23:02

Reported

2024-04-07 23:05

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\cmd.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe

"C:\Users\Admin\AppData\Local\Temp\880c5eb1dead7800aad8c1ba2ee7dc7455895e209aafc0ccdda3e4bedc7f0f9c.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4720 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 121.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

C:\Windows\bugMAKER.bat

MD5 86499ea81aea56c8062d26ac5fb3d78b
SHA1 e69403a4b320dffc5259a33abb66b7bf081c0c62
SHA256 4a1f83d9f5f5bf2d59caf98e3085074b43e6a459b6e2479fdac6f96c67874ae2
SHA512 0f1f072338225ec3d5fee4ee6470e783d6396bd6c0a647f19b3c16fcbfc8414879f865e25747e77d206bc3eedc79ada3fe5ca026c7380a345d9f0223b40db023

memory/5044-24-0x0000000000400000-0x000000000042D000-memory.dmp