Malware Analysis Report

2024-08-06 18:22

Sample ID 240525-yhnpmsge27
Target Synapse X Installer.exe
SHA256 72e0f8bf690b647ae965d9a99f89c4f04c3b9500aac53f2a3fd376a2546b287a
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

72e0f8bf690b647ae965d9a99f89c4f04c3b9500aac53f2a3fd376a2546b287a

Threat Level: Known bad

The file Synapse X Installer.exe was found to be: Known bad.

Malicious Activity Summary

xenorat rat trojan

Xenorat family

XenorRat

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

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
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

2024-05-25 19:47

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-25 19:47

Reported

2024-05-25 19:49

Platform

win7-20240508-en

Max time kernel

129s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe"

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe N/A

Enumerates physical storage devices

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 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2480 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 2484 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe
PID 2484 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe
PID 2484 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe
PID 2484 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe

"C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe"

C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Windows Client" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2839.tmp" /F

Network

Country Destination Domain Proto
N/A 192.168.1.219:1234 tcp
N/A 192.168.1.219:1234 tcp
N/A 192.168.1.219:1234 tcp
N/A 192.168.1.219:1234 tcp
N/A 192.168.1.219:1234 tcp

Files

memory/2480-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

memory/2480-1-0x0000000000BB0000-0x0000000000BC2000-memory.dmp

\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe

MD5 769aad21a347b7576895910e55970390
SHA1 36831993993050af72ea201cfa6ebc4726860e56
SHA256 72e0f8bf690b647ae965d9a99f89c4f04c3b9500aac53f2a3fd376a2546b287a
SHA512 9bb36a376f0b3e8a26a813f1054bf92a9ca737bd9eb96403d28b4edb81c361408a058e5ccefda3e44bbf4943d9799203665161b02394d35a05faa20851f670a5

memory/2484-9-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

memory/2484-10-0x0000000074C60000-0x000000007534E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp2839.tmp

MD5 a27e485b47a3c136c01199b55f08c0d8
SHA1 99a6c183d0673217570cf2e5efcc8bf44d78f483
SHA256 0c297eec1e3f58624331b58ae22a57cdd344071d58942c6897bb6ae1409e95df
SHA512 386fe030cbcb380350e5e5cc8179b76115601ad9b322f90a9d71f76fb2468993986a224796b489c600b4a388d76584772369259ac05d64a6551978e3c9102b60

memory/2484-13-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2484-14-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2484-15-0x0000000074C60000-0x000000007534E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-25 19:47

Reported

2024-05-25 19:47

Platform

win10v2004-20240426-en

Max time kernel

15s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe"

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe N/A

Enumerates physical storage devices

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 4808 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 4808 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 4808 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe
PID 4564 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe
PID 4564 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe
PID 4564 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe

"C:\Users\Admin\AppData\Local\Temp\Synapse X Installer.exe"

C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Windows Client" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3623.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 192.168.1.219:1234 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp

Files

memory/4808-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

memory/4808-1-0x00000000006F0000-0x0000000000702000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\Synapse X Installer.exe

MD5 769aad21a347b7576895910e55970390
SHA1 36831993993050af72ea201cfa6ebc4726860e56
SHA256 72e0f8bf690b647ae965d9a99f89c4f04c3b9500aac53f2a3fd376a2546b287a
SHA512 9bb36a376f0b3e8a26a813f1054bf92a9ca737bd9eb96403d28b4edb81c361408a058e5ccefda3e44bbf4943d9799203665161b02394d35a05faa20851f670a5

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Synapse X Installer.exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/4564-15-0x00000000752E0000-0x0000000075A90000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3623.tmp

MD5 a27e485b47a3c136c01199b55f08c0d8
SHA1 99a6c183d0673217570cf2e5efcc8bf44d78f483
SHA256 0c297eec1e3f58624331b58ae22a57cdd344071d58942c6897bb6ae1409e95df
SHA512 386fe030cbcb380350e5e5cc8179b76115601ad9b322f90a9d71f76fb2468993986a224796b489c600b4a388d76584772369259ac05d64a6551978e3c9102b60