Malware Analysis Report

2024-08-06 18:18

Sample ID 240530-1wrpkacb48
Target monkey.exe
SHA256 bf0927a0af35c23071466397ab21b38951d5847a4c7dda419d83a1a98183b12f
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

bf0927a0af35c23071466397ab21b38951d5847a4c7dda419d83a1a98183b12f

Threat Level: Known bad

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

Malicious Activity Summary

xenorat rat trojan

Xenorat family

XenorRat

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-30 22:00

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 22:00

Reported

2024-05-30 22:01

Platform

win10v2004-20240508-en

Max time kernel

19s

Max time network

28s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\monkey.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1576 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\monkey.exe C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe
PID 1576 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\monkey.exe C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe
PID 1576 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\monkey.exe C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe
PID 964 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe C:\Windows\SysWOW64\schtasks.exe
PID 964 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe C:\Windows\SysWOW64\schtasks.exe
PID 964 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe C:\Windows\SysWOW64\schtasks.exe

Processes

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

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

C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe

"C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Console" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4575.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
BE 2.17.107.99:443 www.bing.com tcp
US 8.8.8.8:53 99.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 147.185.221.20:3403 tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 147.185.221.20:3403 tcp
US 147.185.221.20:3403 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 147.185.221.20:3403 tcp

Files

memory/1576-0-0x000000007465E000-0x000000007465F000-memory.dmp

memory/1576-1-0x0000000000C40000-0x0000000000C52000-memory.dmp

C:\Users\Admin\AppData\Roaming\XenoManager\monkey.exe

MD5 5bf8a2aeedfb1123eb10af5e0f0e3302
SHA1 cdb9c4090f4ff8b9a5d94eaae30c15f4916e177a
SHA256 bf0927a0af35c23071466397ab21b38951d5847a4c7dda419d83a1a98183b12f
SHA512 3fa42409cea75c32b6323567fd7f03f10fd220fd73a93e4ba4d6bf998b228377e404d1a050f32e952b742c8d89a7e2384c14129608814711e285bfad33024983

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

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/964-16-0x0000000074650000-0x0000000074E00000-memory.dmp

memory/964-17-0x0000000074650000-0x0000000074E00000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp4575.tmp

MD5 d2d5370e04de5428f88776f88d42a4fa
SHA1 293a99701932f383f2d555ff754276682832593e
SHA256 6a95327ef1dc4901039edd42fd94baa4455a4aac6839edaf0df89e962ec26b7b
SHA512 dfa78ee247911031bd6ac5ae587288ac9342cb6077de50a16f3b18c4f73865dd972a2ef2940baffc9e037b8a84eb49f6ff3fc50f14f161d6bdac03f455215b8d

memory/964-19-0x0000000005660000-0x00000000056C6000-memory.dmp

memory/964-20-0x0000000004D40000-0x0000000004D4A000-memory.dmp

memory/964-21-0x0000000005FC0000-0x0000000006564000-memory.dmp