Malware Analysis Report

2024-10-16 05:11

Sample ID 230920-hgqvlsgf62
Target f_000d12
SHA256 0a3f9c54fca6da0147b6b29f0d2d67341ac46d6b5d6116c01a2cbe2d1474b0d1
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

0a3f9c54fca6da0147b6b29f0d2d67341ac46d6b5d6116c01a2cbe2d1474b0d1

Threat Level: Known bad

The file f_000d12 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin flawedammyy bootkit persistence trojan

AmmyyAdmin payload

Ammyyadmin family

FlawedAmmyy RAT

Writes to the Master Boot Record (MBR)

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-20 06:42

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-20 06:42

Reported

2023-09-20 06:45

Platform

win7-20230831-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.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\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"

Network

N/A

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 52f371dd4820f6fd42d0e6fdc7cd4d32
SHA1 2ffc7a7e48cf7df170337a82a769ab2cd17a6b83
SHA256 acfe9ba962f6beb23f5cf6a0e7a2835ea47f4442c2bba60d272792dc83af2c7e
SHA512 39734fc62cbc9d4258228a71e3c57a1085615405a07d885555681f628fa3d2b0e14c6f28b358d4491a95941bc086ae4b6d876103c309d8d3fcf941983fa94562

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-20 06:42

Reported

2023-09-20 06:45

Platform

win10v2004-20230915-en

Max time kernel

128s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe

"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 27b4a77ae13808eafc079a48ac73da1a
SHA1 f6517712173befd62e270a4a87f7b9fc96eee5ac
SHA256 2af3b7e9eab22c699e717d2870472f2d15fa14225b946f5419953937c60183d6
SHA512 396fa64679089a9b72249c1987b4e35b9db18a64825d5e43731e6c85ace47cfd2c1b6e39ab507c3d035c5bf8043d4d7adbec1ab74ba8da506f555eb4dba85c5f