Malware Analysis Report

2025-08-10 22:49

Sample ID 240108-esttvsbhd3
Target 4a6837a8b5cc5c018e8d04f173e4bb91
SHA256 73ac6274a893dea6fcd3d0eb1a465ebe9138d99c3ad931484cd393cf579fb723
Tags
score
7/10

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
7/10

SHA256

73ac6274a893dea6fcd3d0eb1a465ebe9138d99c3ad931484cd393cf579fb723

Threat Level: Shows suspicious behavior

The file 4a6837a8b5cc5c018e8d04f173e4bb91 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Executes dropped EXE

Loads dropped DLL

Deletes itself

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-08 04:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 04:12

Reported

2024-01-08 04:15

Platform

win7-20231129-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

"C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe"

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

Network

N/A

Files

memory/2732-0-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2732-1-0x0000000000140000-0x000000000016F000-memory.dmp

memory/2732-2-0x0000000000400000-0x000000000041B000-memory.dmp

\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

MD5 eb653de9002b9be138f06fc833564b2c
SHA1 1316ec7f4d971ad0db48286659e5cc15d4a94124
SHA256 7a4d7fb1cf5feb7c6c3c66cfcb228a64f213a3544669b145e97243c4cebcba91
SHA512 5842591eafc31466d902f00fa8f04ee25e0bbeb6720ae6dd9c430f719375a881a047347d72340917cf68e5ab821ab9de0b8c4d4f2beb971cbf19952bc5b6c148

memory/2352-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2732-14-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2352-19-0x0000000000140000-0x000000000016F000-memory.dmp

memory/2352-23-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2352-28-0x00000000001B0000-0x00000000001CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 04:12

Reported

2024-01-08 04:15

Platform

win10v2004-20231222-en

Max time kernel

145s

Max time network

151s

Command Line

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe

"C:\Users\Admin\AppData\Local\Temp\4a6837a8b5cc5c018e8d04f173e4bb91.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 51.124.78.146:443 tcp
N/A 51.124.78.146:443 tcp
US 8.8.8.8:53 udp
N/A 51.124.78.146:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.16.110.114:80 tcp
GB 96.16.110.41:443 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 20.82.154.241:443 tcp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.242.39.171:443 tcp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 92.123.241.104:80 tcp
US 92.123.241.104:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 20.54.110.119:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 67.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 udp
GB 88.221.134.64:80 tcp
GB 88.221.134.64:80 tcp
GB 88.221.134.64:80 tcp
GB 88.221.134.64:80 tcp
GB 88.221.134.64:80 tcp
US 8.8.8.8:53 udp
GB 88.221.134.64:80 tcp
GB 88.221.134.64:80 tcp
GB 88.221.134.64:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp

Files

memory/2436-0-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2436-2-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1140-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1140-25-0x00000000014E0000-0x00000000014FB000-memory.dmp

memory/1140-20-0x0000000000400000-0x000000000040E000-memory.dmp

memory/1140-14-0x00000000001B0000-0x00000000001DF000-memory.dmp

memory/2436-11-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2436-1-0x00000000000F0000-0x000000000011F000-memory.dmp