Malware Analysis Report

2024-10-24 20:53

Sample ID 241016-xqyn5szhnl
Target SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe
SHA256 0498fcaffbcc80f86c8a6cb1ef655b9713bd96e2d08af2468570d087caa53ff7
Tags
flawedammyy bootkit discovery persistence 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

0498fcaffbcc80f86c8a6cb1ef655b9713bd96e2d08af2468570d087caa53ff7

Threat Level: Known bad

The file SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe was found to be: Known bad.

Malicious Activity Summary

flawedammyy bootkit discovery persistence trojan ammyyadmin

FlawedAmmyy RAT

Ammyyadmin family

AmmyyAdmin payload

Checks computer location settings

Writes to the Master Boot Record (MBR)

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 19:04

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

2024-10-16 19:04

Reported

2024-10-16 19:06

Platform

win7-20240903-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

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\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 0542eb207f3279a899c5ec0431a0ca19bcd314f8bc12a844abbb81401fa3578763cd7661f387064a15bb604e163ea5b73ff4630d5cd2f167a6c136e648360e668037a0c35ad4a87dcb5830c9 C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rl.a4on.tv udp
RU 95.213.191.237:80 rl.a4on.tv tcp
RU 95.213.191.237:88 rl.a4on.tv tcp

Files

C:\Users\Admin\AppData\Local\Temp\settings3.bin

MD5 07c76a60205bd9126e15615a7a5e0214
SHA1 2346b7449001139864bec30c3c6e63f752aef010
SHA256 a61b93375c269c4d2ca829da3c4e4389c5aa744349f1915019482b4b287ef34c
SHA512 15cd6082725fc91f44337833a16ec6c266e5e309bc9251066ebdfda4dc612b85b7c4aad69bdaa8a2e0603014ef5836fd7e395158ea21eb2b725dbbad4b672664

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 19:04

Reported

2024-10-16 19:06

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

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\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 6dc4649afaa7365e645e4c55a0818785ac8fba98013346db1fe14c006ce7a1b334fad4f5a21c381da32e7b68589d21d94b3c18c3adb26373760bbdb52fab3b59281fe005924023911c9bb30e C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Ammyy C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Program.RemoteAdmin.904.16436.20637.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rl.a4on.tv udp
RU 95.213.191.237:80 rl.a4on.tv tcp
RU 95.213.191.237:88 rl.a4on.tv tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 237.191.213.95.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 107.116.69.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\settings3.bin

MD5 8dcf65f5571dc61a17cfa897e88d31a2
SHA1 7cfaf035bca3b6af99cd9e1810aec42e6a03b7b3
SHA256 4de692b09a34df1486c52a23ed44f71b0eec1c9bdcb996274404cc68324c0330
SHA512 f2dd68b4bdbd661061a06b890d6c587ffb7df684801f75c3c78f5aebd9d06fa66674664b0a9ce1abcedb4ed8d4658cdd4f0af7ab303b6a7b3eec8d6e0304a75a