Malware Analysis Report

2024-10-24 20:55

Sample ID 230628-w98g1sbe6v
Target AA_v3.exe
SHA256 8baeed8d30b9bfbff3adda3496df1552ab4bed3a7092cb7b56543f9b844b0353
Tags
ammyyadmin flawedammyy trojan
score
10/10

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
10/10

SHA256

8baeed8d30b9bfbff3adda3496df1552ab4bed3a7092cb7b56543f9b844b0353

Threat Level: Known bad

The file AA_v3.exe was found to be: Known bad.

Malicious Activity Summary

ammyyadmin flawedammyy trojan

AmmyyAdmin payload

Ammyyadmin family

FlawedAmmyy RAT

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-06-28 18:38

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Analysis: behavioral1

Detonation Overview

Submitted

2023-06-28 18:38

Reported

2023-06-28 18:41

Platform

win7-20230621-en

Max time kernel

127s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Network

N/A

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 542835956a0ff5490c297efa14b3c1d3
SHA1 433d62823acc56546a2389b814067cc0771ac8dc
SHA256 06d265cab42ce567749866bfbc9378f018101196cbea28cddc1ecd2e0b42fa87
SHA512 34384f243c7c04a761fa24288f65ff5ea6b9115a53ddecaf9707b11b700cdd3113a06eb9c11b7c7f69771352ca81d0a014825b2b515ae88557f6dfef94bb8414

Analysis: behavioral2

Detonation Overview

Submitted

2023-06-28 18:38

Reported

2023-06-28 18:41

Platform

win10v2004-20230621-en

Max time kernel

74s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1572 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
PID 1572 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
PID 1572 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

Processes

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 145.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 20.189.173.2:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 102.132.60.8.in-addr.arpa udp

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 542835956a0ff5490c297efa14b3c1d3
SHA1 433d62823acc56546a2389b814067cc0771ac8dc
SHA256 06d265cab42ce567749866bfbc9378f018101196cbea28cddc1ecd2e0b42fa87
SHA512 34384f243c7c04a761fa24288f65ff5ea6b9115a53ddecaf9707b11b700cdd3113a06eb9c11b7c7f69771352ca81d0a014825b2b515ae88557f6dfef94bb8414