xenorat | b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 21:36

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General

Target

b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60.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/2168-51-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/2168-52-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/2168-49-0x0000000000400000-0x0000000000412000-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
2980	DNKFU.exe
2168	DNKFU.exe
1528	DNKFU.exe
2656	DNKFU.exe
2480	DNKFU.exe
2964	DNKFU.exe
1632	DNKFU.exe
924	DNKFU.exe

Loads dropped DLL 5 IoCs

pid	Process
1456	WINWORD.EXE
1456	WINWORD.EXE
1456	WINWORD.EXE
1456	WINWORD.EXE
2656	DNKFU.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2168	2980	DNKFU.exe	31
PID 2980 set thread context of 1528	2980	DNKFU.exe	32
PID 2980 set thread context of 2656	2980	DNKFU.exe	33
PID 2480 set thread context of 2964	2480	DNKFU.exe	35
PID 2480 set thread context of 1632	2480	DNKFU.exe	36
PID 2480 set thread context of 924	2480	DNKFU.exe	37

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 9 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	WINWORD.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	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3048	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1456	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe
2168	DNKFU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	DNKFU.exe
Token: SeDebugPrivilege	2480	DNKFU.exe
Token: SeDebugPrivilege	2168	DNKFU.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1456	WINWORD.EXE
1456	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2980	1456	WINWORD.EXE	29
PID 1456 wrote to memory of 2980	1456	WINWORD.EXE	29
PID 1456 wrote to memory of 2980	1456	WINWORD.EXE	29
PID 1456 wrote to memory of 2980	1456	WINWORD.EXE	29
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 2168	2980	DNKFU.exe	31
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 1528	2980	DNKFU.exe	32
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2980 wrote to memory of 2656	2980	DNKFU.exe	33
PID 2656 wrote to memory of 2480	2656	DNKFU.exe	34
PID 2656 wrote to memory of 2480	2656	DNKFU.exe	34
PID 2656 wrote to memory of 2480	2656	DNKFU.exe	34
PID 2656 wrote to memory of 2480	2656	DNKFU.exe	34
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 2964	2480	DNKFU.exe	35
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 1632	2480	DNKFU.exe	36
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 2480 wrote to memory of 924	2480	DNKFU.exe	37
PID 1456 wrote to memory of 820	1456	WINWORD.EXE	39
PID 1456 wrote to memory of 820	1456	WINWORD.EXE	39

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\b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60.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:1456
- 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:2980
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2168
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E3D.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3048
- - 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:1528
- - 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:2656
  - - 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:2480
    - - 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:2964
    - - 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:1632
    - - 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:924
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:820

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\tmp6E3D.tmp

Filesize
1KB

MD5
5c8fe4f5f1e1e45ed639b7c4c8c8ab0a

SHA1
f46c6596614c34e0dc0dd04b31b0d9863ed80d2e

SHA256
2bdd53d79e6397484b617c2c307d3b88e0e93e29546ef0dd7389614c1e7d3c20

SHA512
c1b2c9a3f452e3f7b09f9d3c76a37f86de76884e1a388f51ef41cc4a9a78a74504a03ea000fbe6204861e251a7bb2a0ddf4d6e0ac51ef184dd9d8c61e60ef9fe

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

Filesize
174KB

MD5
d0cbf54138d03f82115b5708be94c5c0

SHA1
aeaafe59c0342c0105d764ee69f6292206f661c6

SHA256
c243a7dcd332df7a231b33e346a1db91ad01c7f0a17f10ed8dec3efa34743949

SHA512
fedc40b326466772e5da972798faa3504837ee67cd26f73db2f6a7effae9d1dc511007279ddd3b78b885c8d691c897ffd2a29f82dd37c6a33623eee85ebb1108

Download Submit
memory/1456-8-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-81-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-5-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-7-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-0-0x000000002F491000-0x000000002F492000-memory.dmp

Filesize
4KB

Download
memory/1456-6-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-10-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-12-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-11-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-9-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1456-4-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-2-0x00000000713BD000-0x00000000713C8000-memory.dmp

Filesize
44KB

Download
memory/1456-82-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/1456-80-0x00000000713BD000-0x00000000713C8000-memory.dmp

Filesize
44KB

Download
memory/2168-51-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2168-52-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2168-49-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2480-66-0x00000000003D0000-0x0000000000400000-memory.dmp

Filesize
192KB

Download
memory/2480-67-0x0000000000600000-0x0000000000634000-memory.dmp

Filesize
208KB

Download
memory/2980-46-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2980-45-0x0000000000830000-0x0000000000860000-memory.dmp

Filesize
192KB

Download
memory/2980-47-0x0000000000570000-0x00000000005A4000-memory.dmp

Filesize
208KB

Download
memory/2980-48-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download