Malware Analysis Report

2024-10-16 05:10

Sample ID 231201-sk5s2sbf3z
Target ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe.zip
SHA256 4a49d8f530e16241fde09fe9a2d7ecbe57a531de3d97f879433af031ab498694
Tags
ammyyadmin flawedammyy bootkit persistence trojan
score
10/10

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
10/10

SHA256

4a49d8f530e16241fde09fe9a2d7ecbe57a531de3d97f879433af031ab498694

Threat Level: Known bad

The file ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe.zip was found to be: Known bad.

Malicious Activity Summary

ammyyadmin flawedammyy bootkit persistence trojan

FlawedAmmyy RAT

AmmyyAdmin payload

Ammyyadmin family

Writes to the Master Boot Record (MBR)

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-01 15:12

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-01 15:12

Reported

2023-12-01 16:30

Platform

win7-20231025-en

Max time kernel

156s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"

Network

N/A

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 4cdd5de42195ee56f4fea4a922512505
SHA1 2f40337f564c3bdd33ad90f2911595e30490fcee
SHA256 0d1309d45baf03be46ac202a15de73a9d23b97c9bea937a8fbd360d413d06cd0
SHA512 78d4b9c3e4210b667115aec090e20170e9273155f30b6644efb33ac6782161d346ba4ebb2ea96fedcc41846017bb667baf93a5e55754fbe9cf2e66818dc5d3fb

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-01 15:12

Reported

2023-12-01 16:33

Platform

win10v2004-20231127-en

Max time kernel

129s

Max time network

200s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 152.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 65.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 193.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 4319574daf6185d0af6dfa8ed024f4eb
SHA1 3dcb3062cc9a7352b3613936039e7eab23e84e94
SHA256 b525b6978fb8b866669080ca66070500eb7a3d121682b15451dbcbde6a466fb5
SHA512 f53a9c0f9fa212763d1759f945ccea3e7af8b3e6fd03bd55a810e952a14d60157db51911d0d3a4b39aed757e7154ddd04146ad5645edd49be931dd29a71d0d1e