xenorat | 8ff9cd217cac6f44e24e5de2049f4289d05286dfbf32566b70c0744dbdd6d381

Analysis

max time kernel
1791s
max time network
1171s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 13:03

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General

Target

sa.exe
Size

310KB
MD5

64a3cb4713a64a85a07a28878c50fb55
SHA1

5a8fdb5b2e5338db3b2b81949b30ca0edc483d4e
SHA256

8ff9cd217cac6f44e24e5de2049f4289d05286dfbf32566b70c0744dbdd6d381
SHA512

46aa9ba21ed7afb453ea474731f7fbe8b68848b97887746d95a8df2eb4dcd469febc6e566c099cc18b080added707964c771479c5c6130ef404e5d13ce72bc0a
SSDEEP

6144:aW+91UbIeC+5r6PmRIoS5P7xVEDc7SuDSSwb:a7eCB9V5b

Score

10^/10

xenorat rat trojan

Malware Config

Extracted

Family

xenorat

192.168.56.1

Mutex

Growtopia_4232

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
growtopia

Signatures

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

sa.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation sa.exe
Executes dropped EXE 1 IoCs

Processes:

sa.exe

pid process

3796 sa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2812 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	sa.exe

pid	process
3796	sa.exe

pid	process
2812	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

sa.exesa.exe

description	pid	process	target process
PID 920 wrote to memory of 3796	920	sa.exe	sa.exe
PID 920 wrote to memory of 3796	920	sa.exe	sa.exe
PID 920 wrote to memory of 3796	920	sa.exe	sa.exe
PID 3796 wrote to memory of 2812	3796	sa.exe	schtasks.exe
PID 3796 wrote to memory of 2812	3796	sa.exe	schtasks.exe
PID 3796 wrote to memory of 2812	3796	sa.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\sa.exe
"C:\Users\Admin\AppData\Local\Temp\sa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:920

C:\Users\Admin\AppData\Roaming\XenoManager\sa.exe
"C:\Users\Admin\AppData\Roaming\XenoManager\sa.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3796

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /Create /TN "growtopia" /XML "C:\Users\Admin\AppData\Local\Temp\tmp49F9.tmp" /F
3⤵
- Creates scheduled task(s)
PID:2812

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\sa.exe.log
Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp49F9.tmp
Filesize
1KB

MD5
279f356d83dad17863e2733c8ed0383f

SHA1
b36e8d38ccf347c743275250a5a319c17b21f340

SHA256
2381ef86689ed0983586632020a92ed59c10d3bb8b7a75f1b1712e0572e2f883

SHA512
806cd2050cee3e7f3e505dc4b0b8114a8a7c526a3b63d4500770d4c30716fe29c3e34bd8039f93a2dfe8a2a446e2a26f294a6fe083fabaa6ad4c10c952f65fc2

Download Submit
C:\Users\Admin\AppData\Roaming\XenoManager\sa.exe
Filesize
310KB

MD5
64a3cb4713a64a85a07a28878c50fb55

SHA1
5a8fdb5b2e5338db3b2b81949b30ca0edc483d4e

SHA256
8ff9cd217cac6f44e24e5de2049f4289d05286dfbf32566b70c0744dbdd6d381

SHA512
46aa9ba21ed7afb453ea474731f7fbe8b68848b97887746d95a8df2eb4dcd469febc6e566c099cc18b080added707964c771479c5c6130ef404e5d13ce72bc0a

Download Submit
memory/920-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/920-1-0x0000000000810000-0x0000000000864000-memory.dmp

Filesize
336KB

Download
memory/3796-15-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3796-18-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3796-19-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download