Malware Analysis Report

2024-08-06 18:37

Sample ID 240518-pyyecacb35
Target rrrrrrrrr.exe
SHA256 8973493f5780a045804e043f61bd6d09ee3f6a9ffbbdd884561363d45b991aa5
Tags
xenorat rat trojan
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 Overview

score
10/10

SHA256

8973493f5780a045804e043f61bd6d09ee3f6a9ffbbdd884561363d45b991aa5

Threat Level: Known bad

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

Malicious Activity Summary

xenorat rat trojan

XenorRat

Xenorat family

Unsigned PE

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-18 12:44

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 12:44

Reported

2024-05-18 12:47

Platform

win10v2004-20240426-en

Max time kernel

132s

Max time network

148s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1552 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\rrrrrrrrr.exe C:\Windows\SysWOW64\schtasks.exe
PID 1552 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\rrrrrrrrr.exe C:\Windows\SysWOW64\schtasks.exe
PID 1552 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\rrrrrrrrr.exe C:\Windows\SysWOW64\schtasks.exe

Processes

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "server 32" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AEA.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
N/A 192.168.56.1:4444 tcp

Files

memory/1552-0-0x000000007466E000-0x000000007466F000-memory.dmp

memory/1552-1-0x0000000000E40000-0x0000000000E52000-memory.dmp

memory/1552-2-0x0000000074660000-0x0000000074E10000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp8AEA.tmp

MD5 9b8bbef0ed1e69deb8c1a9c0e769a0df
SHA1 c853dc73cbf696c9086bacbd1a369788fce28a6c
SHA256 d1425b08975c3329162ee6a953f66c110d05c547aaab1c5f600ec78fe2af5013
SHA512 d8d106da40fef02cb44a513897c04f0e01ab23eadade8f905d2600d0ecb39cf02ea75a2dcadb63680ba9200161b855476ae6b837c494c9abb0b16348bd1c235c

memory/1552-5-0x000000007466E000-0x000000007466F000-memory.dmp

memory/1552-6-0x0000000074660000-0x0000000074E10000-memory.dmp