xenorat | 067884413fb4c673359b6a154e428d3f91a6bd7b5d9c98428edc5cd7e327c97b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
29-11-2024 14:40

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General

Target

yes.exe
Size

45KB
MD5

c56ec548db6d8adab14605421dc116e3
SHA1

1d440b7cbea0497cfcaf1dfa3f681d9a0d15a5a8
SHA256

067884413fb4c673359b6a154e428d3f91a6bd7b5d9c98428edc5cd7e327c97b
SHA512

c8459f677a608ff54cbb030f934f3d58636e19651d0a2e383500b80bbf9cd4c399341e34dd495afadd26ebcc1addd22bdfff2a45357939ce25c116c600e8d510
SSDEEP

768:gdhO/poiiUcjlJInpb+Ya3H9Xqk5nWEZ5SbTDa7uI7CPW5i:Sw+jjgnsH9XqcnW85SbTGuI6

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

198.44.133.131

Mutex

Attributes

delay
5000
install_path
appdata
port
13579
startup_name
Windows CL

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2052-1-0x0000000000150000-0x0000000000162000-memory.dmp	family_xenorat
behavioral1/files/0x0028000000045031-2.dat	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation	yes.exe

Executes dropped EXE 1 IoCs

pid	Process
4624	yes.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3864	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 4624	2052	yes.exe	82
PID 2052 wrote to memory of 4624	2052	yes.exe	82
PID 2052 wrote to memory of 4624	2052	yes.exe	82
PID 4624 wrote to memory of 3864	4624	yes.exe	87
PID 4624 wrote to memory of 3864	4624	yes.exe	87
PID 4624 wrote to memory of 3864	4624	yes.exe	87

C:\Users\Admin\AppData\Local\Temp\yes.exe
"C:\Users\Admin\AppData\Local\Temp\yes.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Roaming\XenoManager\yes.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\yes.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows CL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9848.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
226B

MD5
66aea5e724c4a224d092067c3381783b

SHA1
ee3cc64c4370a255391bdfeef2883d5b7a6e6230

SHA256
04b17cab961f973464bba8924f764edef6451d1774f2405d27ef33d164296923

SHA512
5d719e303f491d1443cb7c7e8946481e90532522a422c98f82466e1eddcd1ef24a4505dcbf75f2191fbb66825d3550566d7f408a3854edeb4c1a192c8c9a6d06

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C:\Users\Admin\AppData\Local\Temp\tmp9848.tmp

Filesize
1KB

MD5
e3e27d445d0b4b3df0b60a8ef69b6654

SHA1
1e605620cb42844a298f5cd37def59c479910eb6

SHA256
d7743f1b2a392a211164e3454f392b116177c5e01092417b35caa39cb3689c48

SHA512
59998f137c840ef54a774c2c149c9a3a05f08eb0a817ff81dc95cb49496979eca8005e05a960b172fd26a424f1a88982bce61c3dc84c70809a442681b43ca0c3

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

Filesize
45KB

MD5
c56ec548db6d8adab14605421dc116e3

SHA1
1d440b7cbea0497cfcaf1dfa3f681d9a0d15a5a8

SHA256
067884413fb4c673359b6a154e428d3f91a6bd7b5d9c98428edc5cd7e327c97b

SHA512
c8459f677a608ff54cbb030f934f3d58636e19651d0a2e383500b80bbf9cd4c399341e34dd495afadd26ebcc1addd22bdfff2a45357939ce25c116c600e8d510

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memory/2052-0-0x00000000752FE000-0x00000000752FF000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x0000000000150000-0x0000000000162000-memory.dmp

Filesize
72KB

Download
memory/4624-5-0x00000000752F0000-0x0000000075AA1000-memory.dmp

Filesize
7.7MB

Download
memory/4624-8-0x00000000752F0000-0x0000000075AA1000-memory.dmp

Filesize
7.7MB

Download
memory/4624-9-0x00000000752F0000-0x0000000075AA1000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads