xenorat | c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52

Analysis

max time kernel
146s
max time network
151s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 14:24

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General

Target

90f57a9578ce153c8520aee9b42d0407.doc
Size

35KB
MD5

90f57a9578ce153c8520aee9b42d0407
SHA1

b669b63e818628044a49c33a2c4edb9840bb030e
SHA256

c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52
SHA512

a63d6c7d453c82e2ff910b5b1faaddf9a96f312f6ab325b5cdf72d68d46006986e429281cfdb3eea7357f4cec5a4dce29e730602aa120df4afca1c8ea15b13cc
SSDEEP

384:wRpiSY5U1zhghLadtb/W5t7c4AZTA6C60jYvA6cSPvuC9:E7n1QvyTA6NJvA6cSeC9

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/2764-52-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/2764-51-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat
behavioral1/memory/2764-49-0x0000000000400000-0x0000000000412000-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
2976	NBUTQYX.exe
2720	NBUTQYX.exe
2764	NBUTQYX.exe
1916	NBUTQYX.exe
2576	NBUTQYX.exe
1736	NBUTQYX.exe
1528	NBUTQYX.exe
556	NBUTQYX.exe

Loads dropped DLL 5 IoCs

pid	Process
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2764	NBUTQYX.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2720	2976	NBUTQYX.exe	34
PID 2976 set thread context of 2764	2976	NBUTQYX.exe	35
PID 2976 set thread context of 1916	2976	NBUTQYX.exe	36
PID 2576 set thread context of 1736	2576	NBUTQYX.exe	38
PID 2576 set thread context of 1528	2576	NBUTQYX.exe	39
PID 2576 set thread context of 556	2576	NBUTQYX.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 7 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	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.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	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.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
2256	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2312	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	NBUTQYX.exe
Token: SeDebugPrivilege	2576	NBUTQYX.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2312	WINWORD.EXE
2312	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2976	2312	WINWORD.EXE	32
PID 2312 wrote to memory of 2976	2312	WINWORD.EXE	32
PID 2312 wrote to memory of 2976	2312	WINWORD.EXE	32
PID 2312 wrote to memory of 2976	2312	WINWORD.EXE	32
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2720	2976	NBUTQYX.exe	34
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 2764	2976	NBUTQYX.exe	35
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2976 wrote to memory of 1916	2976	NBUTQYX.exe	36
PID 2764 wrote to memory of 2576	2764	NBUTQYX.exe	37
PID 2764 wrote to memory of 2576	2764	NBUTQYX.exe	37
PID 2764 wrote to memory of 2576	2764	NBUTQYX.exe	37
PID 2764 wrote to memory of 2576	2764	NBUTQYX.exe	37
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1736	2576	NBUTQYX.exe	38
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 1528	2576	NBUTQYX.exe	39
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2576 wrote to memory of 556	2576	NBUTQYX.exe	40
PID 2312 wrote to memory of 1972	2312	WINWORD.EXE	41
PID 2312 wrote to memory of 1972	2312	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\90f57a9578ce153c8520aee9b42d0407.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:2312
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    3⤵
    - Executes dropped EXE
    PID:2720
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2576
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        5⤵
        Executes dropped EXE
        
        PID:1736
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1528
      - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp139.tmp" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2256
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:556
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    3⤵
    - Executes dropped EXE
    PID:1916
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1972

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp139.tmp

Filesize
1KB

MD5
28b60d9ea1985a7b526128e276f6d202

SHA1
4d48a09ec5bedd53f49e2cfdd3fd3d8bd779bbe9

SHA256
4f845a63a0141da13054a1fedf2f22920e07d2f6846893ea5b21bb5034ccae35

SHA512
7a07dd589295b1d40ac52903f50f330cd6971df8ecf31042505750bdbf557a25257cc98e88c91b65e1495f31979f49e7c07619febd7e05389b5e1900022d3ab6

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

Filesize
166KB

MD5
81ab2cef389699b418a0c016114f1c8b

SHA1
fc99c84f1c8ee460adc8948b475dd075e24ae249

SHA256
ba8b86390a03a48a818a8efb1252236a76bba4cc49a38eb9822e3924c02f9809

SHA512
9877e761d9f130963475e989f427b09be323a0ec48b5cb981f506fd34b141e0841ae92eb7d759ed3142046ab096a045eafaf0cc880e7f868685232cc4ca8e6cb

Download Submit
memory/2312-11-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-2-0x000000007192D000-0x0000000071938000-memory.dmp

Filesize
44KB

Download
memory/2312-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2312-12-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-0-0x000000002F921000-0x000000002F922000-memory.dmp

Filesize
4KB

Download
memory/2312-10-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-7-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-5-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-8-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-79-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-9-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-6-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-4-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-78-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2312-73-0x000000007192D000-0x0000000071938000-memory.dmp

Filesize
44KB

Download
memory/2576-62-0x0000000000300000-0x000000000032E000-memory.dmp

Filesize
184KB

Download
memory/2764-52-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2764-51-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2764-49-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2976-46-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2976-45-0x0000000000390000-0x00000000003C2000-memory.dmp

Filesize
200KB

Download
memory/2976-44-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2976-43-0x0000000000C90000-0x0000000000CBE000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads