Malware Analysis Report

2024-10-23 20:25

Sample ID 240828-pc72nazbjm
Target RetardScript_v3.24.523.exe
SHA256 91b31fde4f5195f9d8d5ce980f029bdb89a6c9e9120c0258ae058ac7a621d4eb
Tags
xenorat discovery rat 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 Overview

score
10/10

SHA256

91b31fde4f5195f9d8d5ce980f029bdb89a6c9e9120c0258ae058ac7a621d4eb

Threat Level: Known bad

The file RetardScript_v3.24.523.exe was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

Xenorat family

XenorRat

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-28 12:12

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-28 12:12

Reported

2024-08-28 12:13

Platform

win10v2004-20240802-en

Max time kernel

54s

Max time network

56s

Command Line

"C:\Users\Admin\AppData\Local\Temp\RetardScript_v3.24.523.exe"

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\RetardScript_v3.24.523.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\RetardScript_v3.24.523.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe N/A

Scheduled Task/Job: Scheduled Task

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

Processes

C:\Users\Admin\AppData\Local\Temp\RetardScript_v3.24.523.exe

"C:\Users\Admin\AppData\Local\Temp\RetardScript_v3.24.523.exe"

C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "JavaW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88B8.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 147.185.221.19:4748 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 147.185.221.19:4748 tcp

Files

memory/3076-0-0x000000007449E000-0x000000007449F000-memory.dmp

memory/3076-1-0x0000000000640000-0x0000000000652000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe

MD5 1f6106784cc64d2c97a8eb2ba81198f4
SHA1 9fb82fb9aab5fcc6f55d991260ab6312f8d1a1b0
SHA256 91b31fde4f5195f9d8d5ce980f029bdb89a6c9e9120c0258ae058ac7a621d4eb
SHA512 4ff2c2b5374f422ee18d8b3c9d45a4f91d0dee8d8f34b1a1c7623ad6410999d2ded4aa3ffce2d6ff299ac4cff1f21f7ff39f1cc5558f435a5a85a7ea7a36e2c0

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RetardScript_v3.24.523.exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/1004-15-0x0000000074490000-0x0000000074C40000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp88B8.tmp

MD5 952717bef705e3dc38472edf478d0942
SHA1 1d164981f80c388f316a846d8851cd5105ce0a91
SHA256 7e1153e6d43f1590ce02a57786f0699e7a6b9426918bd2dfd2c48dafd7daf539
SHA512 2bffa804f14876a8389631047fb83705e5f5ab04755266c9320e57499e940cac251456d3003da8bb26f2a6cbde92e035ecc2b01b9a699f3ff261a75ad6bce091

memory/1004-18-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/1004-19-0x0000000074490000-0x0000000074C40000-memory.dmp