Malware Analysis Report

2024-09-11 09:26

Sample ID 240528-qffbgsef7x
Target banana‮png.exe
SHA256 d11237b84ac5e0498786aa2bb410659c087a148943bcfff4015f044ec0756cb3
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d11237b84ac5e0498786aa2bb410659c087a148943bcfff4015f044ec0756cb3

Threat Level: Known bad

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

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discord RAT

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-28 13:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-28 13:11

Reported

2024-05-28 13:14

Platform

win7-20240220-en

Max time kernel

119s

Max time network

121s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\banana‮png.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2764 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\banana‮png.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe
PID 2764 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\banana‮png.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe
PID 2764 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\banana‮png.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe
PID 2932 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe C:\Windows\system32\WerFault.exe
PID 2932 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe C:\Windows\system32\WerFault.exe
PID 2932 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2932 -s 596

Network

N/A

Files

memory/2764-2-0x0000000002210000-0x0000000002211000-memory.dmp

\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe

MD5 256b75bf21c40761d931bb199b9ebc64
SHA1 e4ec59caab4afe8880c993e6183900c6b92af281
SHA256 10c77ad6339c4b5c3a575e55d1d7dda52af5820a3a9859309f23a43f27b3c2d0
SHA512 a3352d80f8f0c1f1cf29b3a671aef604dbd2bef149c4a71f4aa763bc0ae1d80d3889d34ce38afcf62a61c9730e5a463cae08edfd98a346937014ddb29b25c67c

memory/2932-9-0x000007FEF59F3000-0x000007FEF59F4000-memory.dmp

memory/2932-10-0x000000013FCC0000-0x000000013FCD8000-memory.dmp

memory/2932-15-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

memory/2764-17-0x0000000002210000-0x0000000002211000-memory.dmp

memory/2932-18-0x000007FEF59F3000-0x000007FEF59F4000-memory.dmp

memory/2932-19-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

memory/2932-20-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 13:11

Reported

2024-05-28 13:14

Platform

win10v2004-20240426-en

Max time kernel

99s

Max time network

153s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\banana‮png.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1792 wrote to memory of 4240 N/A C:\Users\Admin\AppData\Local\Temp\banana‮png.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe
PID 1792 wrote to memory of 4240 N/A C:\Users\Admin\AppData\Local\Temp\banana‮png.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.130.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.130.159.162.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.136.232:443 discord.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 232.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 162.159.136.232:443 discord.com tcp
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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe

MD5 256b75bf21c40761d931bb199b9ebc64
SHA1 e4ec59caab4afe8880c993e6183900c6b92af281
SHA256 10c77ad6339c4b5c3a575e55d1d7dda52af5820a3a9859309f23a43f27b3c2d0
SHA512 a3352d80f8f0c1f1cf29b3a671aef604dbd2bef149c4a71f4aa763bc0ae1d80d3889d34ce38afcf62a61c9730e5a463cae08edfd98a346937014ddb29b25c67c

memory/4240-12-0x00007FFE0D0E3000-0x00007FFE0D0E5000-memory.dmp

memory/4240-13-0x000001DADF130000-0x000001DADF148000-memory.dmp

memory/4240-14-0x000001DAF97F0000-0x000001DAF99B2000-memory.dmp

memory/4240-15-0x00007FFE0D0E0000-0x00007FFE0DBA1000-memory.dmp

memory/4240-16-0x000001DAFA030000-0x000001DAFA558000-memory.dmp

memory/4240-17-0x00007FFE0D0E3000-0x00007FFE0D0E5000-memory.dmp

memory/4240-18-0x00007FFE0D0E0000-0x00007FFE0DBA1000-memory.dmp