xenorat | 357cbb546779bfe9e7b3772d6c15a21bad8029f2622dbf8f53c6aa8f0fe29a27

General

Target
XenoClient.exe
Size 45KB
Sample240913-mc4ccsyapa
SHA256 357cbb546779bfe9e7b3772d6c15a21bad8029f2622dbf8f53c6aa8f0fe29a27
MD5 7c43e5708ceb4163da1dce1843eb8bce
SHA1 e624c8ee2b16127d40b4f45843d3e32899a734d7
SHA512 b9c61bd67b3daf00f6794f4cdc4051c6771a1bf1671edb733286123986d0f53436d809afae5101fab1ac8aacbf89aa7817e64cced16d163c1c566fab2c9e6c4e
SSDEEP 768:vdhO/poiiUcjlJInsqH9Xqk5nWEZ5SbTDaxWI7CPW50:lw+jjgnHH9XqcnW85SbTIWIM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

true-britain.gl.at.ply.gg

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
temp
port
45858
startup_name
CCleaner

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4208-1-0x00000000002E0000-0x00000000002F2000-memory.dmp	family_xenorat
behavioral2/files/0x000b000000023479-6.dat	family_xenorat

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	XenoClient.exe

Executes dropped EXE 1 IoCs

pid	Process
1820	XenoClient.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	XenoClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XenoClient.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
1616	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 1820	4208	XenoClient.exe	85
PID 4208 wrote to memory of 1820	4208	XenoClient.exe	85
PID 4208 wrote to memory of 1820	4208	XenoClient.exe	85
PID 1820 wrote to memory of 1616	1820	XenoClient.exe	91
PID 1820 wrote to memory of 1616	1820	XenoClient.exe	91
PID 1820 wrote to memory of 1616	1820	XenoClient.exe	91

C:\Users\Admin\AppData\Local\Temp\XenoClient.exe
"C:\Users\Admin\AppData\Local\Temp\XenoClient.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Users\Admin\AppData\Local\Temp\XenoManager\XenoClient.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\XenoClient.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "CCleaner" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA26A.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

XenoClient.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\XenoClient.exe.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

Submit Download

XenoClient.exe

Path C:\Users\Admin\AppData\Local\Temp\XenoManager\XenoClient.exe
Size 45KB
SHA256 357cbb546779bfe9e7b3772d6c15a21bad8029f2622dbf8f53c6aa8f0fe29a27
MD5 7c43e5708ceb4163da1dce1843eb8bce
SHA1 e624c8ee2b16127d40b4f45843d3e32899a734d7
SHA512 b9c61bd67b3daf00f6794f4cdc4051c6771a1bf1671edb733286123986d0f53436d809afae5101fab1ac8aacbf89aa7817e64cced16d163c1c566fab2c9e6c4e
SSDEEP 768:vdhO/poiiUcjlJInsqH9Xqk5nWEZ5SbTDaxWI7CPW50:lw+jjgnHH9XqcnW85SbTIWIM
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmpA26A.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpA26A.tmp
Size 1KB
SHA256 0434a870f098793c87b942b1d5cf33c9e3f4088f5f8ea62024cf7a0dcf0d2545
MD5 48e6ae66958586bb4d604774d6d8e07b
SHA1 48db7f21db1138d87e7e175ac1df0a66b1e839cf
SHA512 7280ecfd79e991179b24f2c92ca8f42345fb592e0affb00352a201b32a83b30e78393b9a9998c94cfa8879ab365531465bf5b63102a585de6e83dab2da93fc28
MD5 SHA1 SHA512

Submit Download

memory/1820-15-0x0000000074AE0000-0x0000000075290000-memory.dmp

Download

memory/1820-18-0x0000000074AE0000-0x0000000075290000-memory.dmp

Download

memory/1820-19-0x0000000074AE0000-0x0000000075290000-memory.dmp

Download

memory/4208-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Download

memory/4208-1-0x00000000002E0000-0x00000000002F2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads