Malware Analysis Report

2024-10-16 05:08

Sample ID 240911-snxlvaxhmg
Target daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118
SHA256 e5e301a72b799f8140c7b2c1cae0d55fe8aa9cb478126f53c9ba4c72ae9e4926
Tags
flawedammyy discovery trojan ammyyadmin
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

e5e301a72b799f8140c7b2c1cae0d55fe8aa9cb478126f53c9ba4c72ae9e4926

Threat Level: Known bad

The file daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

flawedammyy discovery trojan ammyyadmin

FlawedAmmyy RAT

AmmyyAdmin payload

Ammyyadmin family

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-11 15:16

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-11 15:16

Reported

2024-09-11 15:19

Platform

win7-20240729-en

Max time kernel

100s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe"

Network

N/A

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 a58d62a6071c771e18ebc6c81d95a197
SHA1 1fb06188318425fea81c723a74a1d40b1feb98f2
SHA256 a89f0029bc359830f19d99edbb55be96b17886ae189d8715e7ddcaea6f23b3ec
SHA512 b516f51c375d07779759f8df4cc1ef7482626f7eb6a3c4b58e2ba32fcbc5594b814ee2e0a53bc5f3b15147417aba49ad79fe5544e1343529980f5a527cac914a

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-11 15:16

Reported

2024-09-11 15:19

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\daa23344a9b61c48d3cf4823945eba2e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 a58d62a6071c771e18ebc6c81d95a197
SHA1 1fb06188318425fea81c723a74a1d40b1feb98f2
SHA256 a89f0029bc359830f19d99edbb55be96b17886ae189d8715e7ddcaea6f23b3ec
SHA512 b516f51c375d07779759f8df4cc1ef7482626f7eb6a3c4b58e2ba32fcbc5594b814ee2e0a53bc5f3b15147417aba49ad79fe5544e1343529980f5a527cac914a