Malware Analysis Report

2025-01-18 00:55

Sample ID 240613-lmssyataqa
Target ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9
SHA256 ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9
Tags
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
3/10

SHA256

ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9

Threat Level: Likely benign

The file ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9 was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 09:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 09:39

Reported

2024-06-13 09:41

Platform

win7-20240508-en

Max time kernel

140s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9.dll,#1

Signatures

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2400 wrote to memory of 1952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9.dll,#1

Network

N/A

Files

memory/1952-0-0x00000000752A0000-0x00000000752B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 09:39

Reported

2024-06-13 09:42

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9.dll,#1

Signatures

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1596 wrote to memory of 3272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 3272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 3272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecfd8cf9fbd59c235730fea7aa8d1e48fc5f666b908379d15ee39f6578ec19c9.dll,#1

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=4460 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 172.217.169.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp

Files

memory/3272-0-0x0000000075440000-0x0000000075450000-memory.dmp