Malware Analysis Report

2024-09-11 09:32

Sample ID 240531-x6wjqabc54
Target monoware.sfx.exe
SHA256 363a3e73e2832794741348014d8dc97b3366a937c4439026ea91e9046ff8b6b9
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

363a3e73e2832794741348014d8dc97b3366a937c4439026ea91e9046ff8b6b9

Threat Level: Known bad

The file monoware.sfx.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

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

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
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-31 19:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 19:28

Reported

2024-05-31 19:31

Platform

win7-20240419-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\monoware.sfx.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\monoware.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\monoware.sfx.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 2208 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe
PID 2208 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe
PID 2208 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe
PID 2832 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe C:\Windows\system32\WerFault.exe
PID 2832 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe C:\Windows\system32\WerFault.exe
PID 2832 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe

"C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe"

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2832 -s 596

Network

N/A

Files

memory/2208-4-0x0000000002110000-0x0000000002120000-memory.dmp

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

MD5 8da8b05938831e8e547b60526236ece7
SHA1 c27806eed416f8676548d89aa0207d028f800234
SHA256 aed0081d6aa8fa3b29d155c6bb45e9278b4562102f8d4497a51db56871a74134
SHA512 552e09c36ec48d3117209546e70b1322b929d3f5c59f49af4e66f51c5123230bec766a7315de022027afc0d41920fa7f86f42d82e4f000ac73bab08136221ec6

memory/2832-11-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp

memory/2832-12-0x000000013F130000-0x000000013F148000-memory.dmp

memory/2832-17-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 19:28

Reported

2024-05-31 19:31

Platform

win10v2004-20240508-en

Max time kernel

131s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe N/A

Executes dropped EXE

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe
PID 2084 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\monoware.exe

Processes

C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe

"C:\Users\Admin\AppData\Local\Temp\monoware.sfx.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

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

MD5 8da8b05938831e8e547b60526236ece7
SHA1 c27806eed416f8676548d89aa0207d028f800234
SHA256 aed0081d6aa8fa3b29d155c6bb45e9278b4562102f8d4497a51db56871a74134
SHA512 552e09c36ec48d3117209546e70b1322b929d3f5c59f49af4e66f51c5123230bec766a7315de022027afc0d41920fa7f86f42d82e4f000ac73bab08136221ec6

memory/2884-14-0x000002D6BBA40000-0x000002D6BBA58000-memory.dmp

memory/2884-15-0x00007FFEF7333000-0x00007FFEF7335000-memory.dmp

memory/2884-16-0x000002D6D61B0000-0x000002D6D6372000-memory.dmp

memory/2884-17-0x00007FFEF7330000-0x00007FFEF7DF1000-memory.dmp

memory/2884-18-0x000002D6D7330000-0x000002D6D7858000-memory.dmp

memory/2884-19-0x00007FFEF7330000-0x00007FFEF7DF1000-memory.dmp