xenorat | ab0f362333e655da8332ba89226f9ac0c90e31aa53e633097cf6f88aead1a389

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-08-2024 18:07

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General

Target

SaturnTempSpoofer.exe
Size

181KB
MD5

0380311e496051295f02a440d4f34308
SHA1

d2b2d91ced3d0526fcb13f310bb5f7be4844b346
SHA256

ab0f362333e655da8332ba89226f9ac0c90e31aa53e633097cf6f88aead1a389
SHA512

b95a20df94c311deb080d45e1bcd7cd3f79e449041acd52bc67423adb50f49ec9e4728838f96aaec0f67d1fb9cb7403be0e445db06928434f49baac565be600e
SSDEEP

3072:UVqoCl/YgjxEufVU0TbTyDDalQlzw+jqZ91UbTK4I:UsLqdufVUNDaRW491Ub8

Score

10^/10

xenorat discovery evasion persistence rat trojan

Malware Config

Extracted

Family

xenorat

73.131.36.77

Mutex

Saturn Temp Spoofer

Attributes

install_path
appdata
port
4782
startup_name
AppWindows.exe

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

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

Executes dropped EXE 6 IoCs

pid	Process
4116	saturntempspoofer.exe
2512	icsys.icn.exe
4768	explorer.exe
4944	spoolsv.exe
1996	svchost.exe
3892	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	SaturnTempSpoofer.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.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	saturntempspoofer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SaturnTempSpoofer.exe

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
4852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
2512	icsys.icn.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4768	explorer.exe
1996	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
116	SaturnTempSpoofer.exe
116	SaturnTempSpoofer.exe
2512	icsys.icn.exe
2512	icsys.icn.exe
4768	explorer.exe
4768	explorer.exe
4944	spoolsv.exe
4944	spoolsv.exe
1996	svchost.exe
1996	svchost.exe
3892	spoolsv.exe
3892	spoolsv.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 4116	116	SaturnTempSpoofer.exe	84
PID 116 wrote to memory of 4116	116	SaturnTempSpoofer.exe	84
PID 116 wrote to memory of 4116	116	SaturnTempSpoofer.exe	84
PID 116 wrote to memory of 2512	116	SaturnTempSpoofer.exe	87
PID 116 wrote to memory of 2512	116	SaturnTempSpoofer.exe	87
PID 116 wrote to memory of 2512	116	SaturnTempSpoofer.exe	87
PID 4116 wrote to memory of 4852	4116	saturntempspoofer.exe	88
PID 4116 wrote to memory of 4852	4116	saturntempspoofer.exe	88
PID 4116 wrote to memory of 4852	4116	saturntempspoofer.exe	88
PID 2512 wrote to memory of 4768	2512	icsys.icn.exe	90
PID 2512 wrote to memory of 4768	2512	icsys.icn.exe	90
PID 2512 wrote to memory of 4768	2512	icsys.icn.exe	90
PID 4768 wrote to memory of 4944	4768	explorer.exe	91
PID 4768 wrote to memory of 4944	4768	explorer.exe	91
PID 4768 wrote to memory of 4944	4768	explorer.exe	91
PID 4944 wrote to memory of 1996	4944	spoolsv.exe	92
PID 4944 wrote to memory of 1996	4944	spoolsv.exe	92
PID 4944 wrote to memory of 1996	4944	spoolsv.exe	92
PID 1996 wrote to memory of 3892	1996	svchost.exe	93
PID 1996 wrote to memory of 3892	1996	svchost.exe	93
PID 1996 wrote to memory of 3892	1996	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\SaturnTempSpoofer.exe
"C:\Users\Admin\AppData\Local\Temp\SaturnTempSpoofer.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116
- \??\c:\users\admin\appdata\local\temp\saturntempspoofer.exe
  c:\users\admin\appdata\local\temp\saturntempspoofer.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "AppWindows.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B6A.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4852
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2512
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4768
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4944
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Adds Run key to start application
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1996
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

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\saturntempspoofer.exe

Filesize
46KB

MD5
601c4ed7cdaa8a844937fe5fd62a8aff

SHA1
5ad9cf4a98cff0711ef7c0ca68353161d026a783

SHA256
c1d9b0e2b4967ddeace94b452b8db110137d165c4725d3ab61ec0a8b44f27765

SHA512
17d9b61107f327da1baed79779b834e669ecc4c38515e7334cc3424d9e773966937de09dc364111af37013fcdd3b00a3cd0cfcc2950db2bb61797ee1704cd477

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7B6A.tmp

Filesize
1KB

MD5
4a6533ac35b34ba35ea7fe0a37192a66

SHA1
29d3cbd1d4b9542175c17d6d4f20a5d992ae4c01

SHA256
b4eff105fd062397dd2931dd5b138323a3c7d05c9e4f630cf51a24949eb2bacb

SHA512
a356c1d8a46679a9fc2c3a14615d98c3fb4c00ac908b8f44c99a9070cb32d00c3b3eeb1700152f12a78924de79adc2de8452432e647fe0ed46baf1e065451d3d

Download Submit
C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
66244c0ffa974b324b859d0097cb9d2a

SHA1
76175440fc1509bfb503a1fd2225b0c57552acd8

SHA256
6fa38d56224d35cfaf3d4e63560305a8ede530ae021a7d535a5cea40fad9233f

SHA512
c893d686b872a560136f9fef9365e12d8c9bdfa58a817c8ce3a38296d790e167b2645ff9e196962e7b669f349fa6124294116d07cfe4d878b18e5a82881a8951

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
d6d054e7390aa12da74bd9dfaf246917

SHA1
62d73f8b9b0cae264d2036204c4c6b05f4fa88d2

SHA256
b89f7426b1d3c5293ff6d0d51f5673c4e670f15d47463461785daec6e3e98903

SHA512
66e4dedd18ad17a9df47dc553937a7048177bf439b682dddb7dcc847e48fdbd00b1e280fd9c5448fc03569c610e104e803dccd5fc0eecc2a140a298ea95f45c2

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
e3a50b176ffe78c75ad0bd6f5b960e41

SHA1
df05ab9a14d4e9118d4fbfdc52ff6698cb6585b9

SHA256
475f5e82033e4b4a04192bc52422086e3a58a7b9348cd9947e25dcc4e82bf1f6

SHA512
0ce6bee30f0221ec1a4314121a47a79c80d5eacc09e25f53a20566a6ef964e3c0e7a9ef22dc007363ab8933ea86bbae8d79df2a8db019bb87eee136eeac5e5a6

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
35c72fa9759f67167bdccd8b4c4422b4

SHA1
1cdebd67ead4ef547e0ff4588b82b6801dca3f47

SHA256
19d42815e43dcb283fe3df3fe3845e16ff3c72bb55b710e9ba2bfc30d192ae23

SHA512
f486164a864ba107d72225a7c3ee5ce889872a9584291a6970a93636226cee6a7e53c8afa548235a93a8e08629a5548d02122dd8242d8ca512c872eb390c2e90

Download Submit
memory/116-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/116-54-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2512-15-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2512-53-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3892-52-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4116-55-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4116-31-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4116-10-0x0000000000490000-0x00000000004A2000-memory.dmp

Filesize
72KB

Download
memory/4116-9-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4116-56-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-32-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4944-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download