Malware Analysis Report

2025-03-15 01:15

Sample ID 240614-cnkdhsvhjk
Target a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142
SHA256 a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142
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

a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142

Threat Level: Shows suspicious behavior

The file a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 02:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 02:13

Reported

2024-06-14 02:15

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Update\WwanSvc.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\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe

"C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe"

C:\ProgramData\Update\WwanSvc.exe

"C:\ProgramData\Update\WwanSvc.exe" /run

Network

Country Destination Domain Proto
CA 158.69.115.115:443 tcp

Files

\ProgramData\Update\WwanSvc.exe

MD5 8eebc141a2b292fef58be353ba61a0ba
SHA1 bfd7e80e7dfaab1eed509accbb06e46ff55ce086
SHA256 0e505ec300c6d58bb1ceb7a5854a707d182fadadf0c30ed06bd693f012ad43c7
SHA512 3f8483ef0be61f8791b14d5297776367aa669be3b8f3841b3f771c0a7350f0d1ac17551204b12020a5238a4cf3439e09afc91832f4e3376b7786f248ec141f29

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 02:13

Reported

2024-06-14 02:16

Platform

win10v2004-20240226-en

Max time kernel

114s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Update\WwanSvc.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\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe

"C:\Users\Admin\AppData\Local\Temp\a597293ce73e0c8448c60591227ace524e1dd5191fd55513c848c9a477253142.exe"

C:\ProgramData\Update\WwanSvc.exe

"C:\ProgramData\Update\WwanSvc.exe" /run

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=4076 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
CA 158.69.115.115:443 tcp
GB 216.58.201.106:443 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

C:\ProgramData\Update\WwanSvc.exe

MD5 a740b6d63b77fa7fa926ffcff774beb3
SHA1 4ac4dee7640897b55235d2c0a019953486f3b095
SHA256 14cdec7252537925c8010dfcf7f00414c0d3aa9bc54045da287f437180853b28
SHA512 5cc610de359db793b3a067ce0ff35df75eeaabe39365a6f05fc04e8bdb368ff1181f20617daad4b3e0958d81c1dbee455f4222385bc483315a62f895c6c1d764