xenorat | 3106e90067456404a9f3e768ce3b60de6ae91fa2be664255ad6fe86c3f87e67d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 05:50

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General

Target

13326ed69d36aaa385c5eba9fa6e5cc2.doc
Size

195KB
MD5

13326ed69d36aaa385c5eba9fa6e5cc2
SHA1

66946fa69204b91787c7eabb91c1fd8452b1cc24
SHA256

3106e90067456404a9f3e768ce3b60de6ae91fa2be664255ad6fe86c3f87e67d
SHA512

39e5df1db48b1afe1c2bf7f2b8ccfca38b0fd4c49dd04884299fcc8adc633e6171a8756bf9eca65ac37b59ce6ef4a3fb3c761848a94c04d9afe725a53d008edd
SSDEEP

3072:j877VGZ5Sd3b4e0wNZtsqXNKd5AvDJW4S+I/tZ6X1bpF6mIJ88:6GZYwAZHMCDJ8/u5pAmIe8

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

dns.stipamana.com

Mutex

Xeno_rat_nd8912d

Attributes

delay
12000
install_path
appdata
port
4567
startup_name
mrec

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1088-64-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/1088-72-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/1088-68-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
xenorat
Downloads MZ/PE file

Executes dropped EXE 8 IoCs

pid	Process
2720	KKSTV.exe
1088	KKSTV.exe
1628	KKSTV.exe
1324	KKSTV.exe
2676	KKSTV.exe
2016	KKSTV.exe
2820	KKSTV.exe
2140	KKSTV.exe

Loads dropped DLL 5 IoCs

pid	Process
2520	WINWORD.EXE
2520	WINWORD.EXE
2520	WINWORD.EXE
2520	WINWORD.EXE
1628	KKSTV.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 1088	2720	KKSTV.exe	34
PID 2720 set thread context of 1628	2720	KKSTV.exe	35
PID 2720 set thread context of 1324	2720	KKSTV.exe	36
PID 2676 set thread context of 2016	2676	KKSTV.exe	38
PID 2676 set thread context of 2820	2676	KKSTV.exe	39
PID 2676 set thread context of 2140	2676	KKSTV.exe	40

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.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 8 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe

Office loads VBA resources, possible macro or embedded object present

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
340	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2520	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe
1088	KKSTV.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	KKSTV.exe
Token: SeDebugPrivilege	2676	KKSTV.exe
Token: SeDebugPrivilege	1088	KKSTV.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2520	WINWORD.EXE
2520	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2720	2520	WINWORD.EXE	32
PID 2520 wrote to memory of 2720	2520	WINWORD.EXE	32
PID 2520 wrote to memory of 2720	2520	WINWORD.EXE	32
PID 2520 wrote to memory of 2720	2520	WINWORD.EXE	32
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1088	2720	KKSTV.exe	34
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1628	2720	KKSTV.exe	35
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 2720 wrote to memory of 1324	2720	KKSTV.exe	36
PID 1628 wrote to memory of 2676	1628	KKSTV.exe	37
PID 1628 wrote to memory of 2676	1628	KKSTV.exe	37
PID 1628 wrote to memory of 2676	1628	KKSTV.exe	37
PID 1628 wrote to memory of 2676	1628	KKSTV.exe	37
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2016	2676	KKSTV.exe	38
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2820	2676	KKSTV.exe	39
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2676 wrote to memory of 2140	2676	KKSTV.exe	40
PID 2520 wrote to memory of 2220	2520	WINWORD.EXE	41
PID 2520 wrote to memory of 2220	2520	WINWORD.EXE	41

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\13326ed69d36aaa385c5eba9fa6e5cc2.doc"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1088
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDB0.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:340
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1628
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2676
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2016
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        5⤵
        Executes dropped EXE
        
        PID:2820
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2140
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    3⤵
    - Executes dropped EXE
    PID:1324
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2220

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFDB0.tmp

Filesize
1KB

MD5
276d8f1b7e05feed45e456295f52e4da

SHA1
902d0fcb164b5ad255185b04558618b51b824cf8

SHA256
06483d2faa061e06693dba1bb7f645fee992f94ffb713e6ebf30ae50ab288b5c

SHA512
893ec4b4358250389b6c7764145ef0aca8de5429ba983534d2205796296f747fcb20567ec99a6b9ccaef3903d795986b32572a7e6e5d9cb3e08b876c0f01db95

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe

Filesize
173KB

MD5
94a7e3859c2e4238421cdfe73d49603c

SHA1
03f03c5b5d8cf362aa52b9e793e7be398d779c21

SHA256
639135eb69333aba7ecb762072d8bef1d2db83e54edbe627dd223039142b8c91

SHA512
74048463606f7017bd8bd3c92773edde5a406247c5ea437b8ee580a3d9e65eb755aa44de466fc2aabef8b9a67c40163afeb3df9bc9fb35f8afe20814d5de85b5

Download Submit
memory/1088-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1088-72-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1088-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2520-22-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-8-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-16-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-15-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-14-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-13-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-12-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-11-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-29-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-28-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-27-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-26-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-25-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-24-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-23-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-0-0x000000002F421000-0x000000002F422000-memory.dmp

Filesize
4KB

Download
memory/2520-21-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-10-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-9-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-18-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-7-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-6-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-5-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-4-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-20-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2520-99-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-94-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-93-0x000000007172D000-0x0000000071738000-memory.dmp

Filesize
44KB

Download
memory/2520-19-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-17-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/2520-2-0x000000007172D000-0x0000000071738000-memory.dmp

Filesize
44KB

Download
memory/2676-82-0x00000000003D0000-0x0000000000400000-memory.dmp

Filesize
192KB

Download
memory/2720-63-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2720-62-0x0000000000200000-0x0000000000234000-memory.dmp

Filesize
208KB

Download
memory/2720-61-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2720-60-0x0000000000B60000-0x0000000000B90000-memory.dmp

Filesize
192KB

Download