xenorat | b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 08:06

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General

Target

ce24313f8b01015afc7d6f5e668bd703.doc
Size

193KB
MD5

ce24313f8b01015afc7d6f5e668bd703
SHA1

d86c8ee00b3f4db999a94557e7ae62ee2cd87c0e
SHA256

b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60
SHA512

b5e1f7a31e22afdf20b6b206e3815613714758f091481e15f73ca371f2bccb6833fd4b50c4f53869a315948c0a2e94ad7cb1753a764b0d0d234b5f511bf7b710
SSDEEP

3072:D877VGZ5Sd3b4e0wNZtsqXNKd5AvDJW4S+I/tZ6X1bpF6m:aGZYwAZHMCDJ8/u5pAm

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/1804-51-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/1804-54-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/1804-53-0x0000000000400000-0x0000000000412000-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
2932	DNKFU.exe
336	DNKFU.exe
2440	DNKFU.exe
1804	DNKFU.exe
1800	DNKFU.exe
2520	DNKFU.exe
1776	DNKFU.exe
1780	DNKFU.exe

Loads dropped DLL 5 IoCs

pid	Process
956	WINWORD.EXE
956	WINWORD.EXE
956	WINWORD.EXE
956	WINWORD.EXE
1804	DNKFU.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 336	2932	DNKFU.exe	34
PID 2932 set thread context of 2440	2932	DNKFU.exe	35
PID 2932 set thread context of 1804	2932	DNKFU.exe	36
PID 1800 set thread context of 2520	1800	DNKFU.exe	38
PID 1800 set thread context of 1776	1800	DNKFU.exe	39
PID 1800 set thread context of 1780	1800	DNKFU.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	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
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	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.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
2368	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
956	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe
1776	DNKFU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	DNKFU.exe
Token: SeDebugPrivilege	1800	DNKFU.exe
Token: SeDebugPrivilege	1776	DNKFU.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
956	WINWORD.EXE
956	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2932	956	WINWORD.EXE	32
PID 956 wrote to memory of 2932	956	WINWORD.EXE	32
PID 956 wrote to memory of 2932	956	WINWORD.EXE	32
PID 956 wrote to memory of 2932	956	WINWORD.EXE	32
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 336	2932	DNKFU.exe	34
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 2440	2932	DNKFU.exe	35
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 2932 wrote to memory of 1804	2932	DNKFU.exe	36
PID 1804 wrote to memory of 1800	1804	DNKFU.exe	37
PID 1804 wrote to memory of 1800	1804	DNKFU.exe	37
PID 1804 wrote to memory of 1800	1804	DNKFU.exe	37
PID 1804 wrote to memory of 1800	1804	DNKFU.exe	37
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 2520	1800	DNKFU.exe	38
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1776	1800	DNKFU.exe	39
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 1800 wrote to memory of 1780	1800	DNKFU.exe	40
PID 956 wrote to memory of 1828	956	WINWORD.EXE	41
PID 956 wrote to memory of 1828	956	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\ce24313f8b01015afc7d6f5e668bd703.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:956
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    PID:336
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    PID:2440
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1800
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2520
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1776
      - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32E3.tmp" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2368
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1780
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1828

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\tmp32E3.tmp

Filesize
1KB

MD5
30c74b4a399ff4b4d938f764359fe1b6

SHA1
e590e2381d16001d9b9458dd466224ed7c6565f3

SHA256
4f67256957da298f9f69c61a5ff0b06dc1cf04f81d23f9a3984f80f85fb5466c

SHA512
95ee88b6c7528d3c86e8227ddd184500f0ce278adfb2bf38bdf7e1ca66f093144bd1509054802459a6fa271c3c2826c907898f35bd2aba799cae6c0eb2143ffb

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe

Filesize
174KB

MD5
da302f1f3b3f3a7df3dde94d870a2e22

SHA1
4c8e57bce883b2c2357065e95e4f4e1119d7b08d

SHA256
e84e765247bd6d7d756789ba7c07d61a12c2e265136e0ca65acdc919d4ca98bc

SHA512
0c4e38cb7387e647e2238cfd086c0122c12d9a9b9f827a56515722d4534a1ac3cc5a9c3e538095a696e84c52df1b7a75dd08a03a0e286cc79bdf398b2a93fdec

Download Submit
memory/956-5-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-11-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-0-0x000000002F9C1000-0x000000002F9C2000-memory.dmp

Filesize
4KB

Download
memory/956-8-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-6-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-10-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-12-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-4-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-9-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-2-0x00000000718FD000-0x0000000071908000-memory.dmp

Filesize
44KB

Download
memory/956-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/956-82-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-81-0x00000000003D0000-0x00000000004D0000-memory.dmp

Filesize
1024KB

Download
memory/956-76-0x00000000718FD000-0x0000000071908000-memory.dmp

Filesize
44KB

Download
memory/1800-63-0x0000000000390000-0x00000000003C4000-memory.dmp

Filesize
208KB

Download
memory/1800-62-0x0000000000AD0000-0x0000000000B00000-memory.dmp

Filesize
192KB

Download
memory/1804-53-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1804-54-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1804-51-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2932-46-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2932-45-0x0000000000290000-0x00000000002C4000-memory.dmp

Filesize
208KB

Download
memory/2932-44-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2932-43-0x00000000002D0000-0x0000000000300000-memory.dmp

Filesize
192KB

Download