xenorat | 2be849154e91a1aa43a1914c7253f08f0029854d309ab4e3d0e264a7424ee8cc

General

Target

res_out.exe
Size

4.4MB
MD5

bf9ec01c25506a02c399ac19f154b9fd
SHA1

c2563bd4dde7108c68d2f0eab24ddad600132e0f
SHA256

2be849154e91a1aa43a1914c7253f08f0029854d309ab4e3d0e264a7424ee8cc
SHA512

038d347a9264a708600d0488e533b26149aa3f162d096a7f09ac57f0f86f5d65210794c3a5fe583abde36cda2b2191acfe1715b2fab7f30ee19b7e83ec1d9d91
SSDEEP

49152:ONLzXOKH6AqIHxAAAf7CpjZMZGIFjItJgtG3wBzP+F61w5USYNT1Q7sq4hrj8wNN:oLzXOKHD5xABKIxksBaQu8s4aIuftbO

Score

10^/10

xenorat discovery persistence rat trojan

Malware Config

Extracted

Family

xenorat

C2

raven123.ddnsgeek.com

Attributes

delay
5000
install_path
appdata
port
4111
startup_name
nothingset

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2588	csc.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	csc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\AgentLauncher = "C:\\Users\\Admin\\Pictures\\ClientAgent\\AgentLauncher.exe"	res_out.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 2744	1884	res_out.exe	30

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	res_out.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2744	1884	res_out.exe	30
PID 1884 wrote to memory of 2744	1884	res_out.exe	30
PID 1884 wrote to memory of 2744	1884	res_out.exe	30
PID 1884 wrote to memory of 2744	1884	res_out.exe	30
PID 1884 wrote to memory of 2744	1884	res_out.exe	30
PID 1884 wrote to memory of 2744	1884	res_out.exe	30
PID 2744 wrote to memory of 2588	2744	csc.exe	31
PID 2744 wrote to memory of 2588	2744	csc.exe	31
PID 2744 wrote to memory of 2588	2744	csc.exe	31
PID 2744 wrote to memory of 2588	2744	csc.exe	31

C:\Users\Admin\AppData\Local\Temp\res_out.exe
"C:\Users\Admin\AppData\Local\Temp\res_out.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Roaming\XenoManager\csc.exe
    "C:\Users\Admin\AppData\Roaming\XenoManager\csc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\XenoManager\csc.exe

Filesize
2.1MB

MD5
00c5eb029f9263291c91277e37b5fe4c

SHA1
a2c9b1eb1cfe18fa86bcc382250ba304b92cf897

SHA256
31fa9a05ad114c683a189a17f7e12a3bb93a0ed07c8029a89c1b7508da4f1f31

SHA512
5a0ac2b25a6cb63945c882055d16486d1a40c5f87786ea1439f5f8fc5a1da77aa80c8d090750ca14340b22bb48a7dfa0b2f5abf66df70a90e6e0c9b763398857

Download Submit
memory/1884-12-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-2-0x00000000006D9000-0x00000000006F2000-memory.dmp

Filesize
100KB

Download
memory/1884-1-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-6-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-8-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-7-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-5-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-27-0x00000000006D9000-0x00000000006F2000-memory.dmp

Filesize
100KB

Download
memory/1884-0-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/1884-18-0x0000000000400000-0x00000000008FE000-memory.dmp

Filesize
5.0MB

Download
memory/2744-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-17-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2744-15-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2744-19-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/2744-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2744-11-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads