xenorat | ab0f362333e655da8332ba89226f9ac0c90e31aa53e633097cf6f88aead1a389

Analysis

max time kernel
150s
max time network
137s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-08-2024 18:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\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
2208	saturntempspoofer.exe
2692	icsys.icn.exe
2696	explorer.exe
2544	spoolsv.exe
3064	svchost.exe
2564	spoolsv.exe

Loads dropped DLL 6 IoCs

pid	Process
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2692	icsys.icn.exe
2696	explorer.exe
2544	spoolsv.exe
3064	svchost.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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.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 11 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	saturntempspoofer.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
828	schtasks.exe
2676	schtasks.exe
2976	schtasks.exe
2356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2696	explorer.exe
3064	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2232	SaturnTempSpoofer.exe
2232	SaturnTempSpoofer.exe
2692	icsys.icn.exe
2692	icsys.icn.exe
2696	explorer.exe
2696	explorer.exe
2544	spoolsv.exe
2544	spoolsv.exe
3064	svchost.exe
3064	svchost.exe
2564	spoolsv.exe
2564	spoolsv.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2208	2232	SaturnTempSpoofer.exe	30
PID 2232 wrote to memory of 2208	2232	SaturnTempSpoofer.exe	30
PID 2232 wrote to memory of 2208	2232	SaturnTempSpoofer.exe	30
PID 2232 wrote to memory of 2208	2232	SaturnTempSpoofer.exe	30
PID 2232 wrote to memory of 2692	2232	SaturnTempSpoofer.exe	31
PID 2232 wrote to memory of 2692	2232	SaturnTempSpoofer.exe	31
PID 2232 wrote to memory of 2692	2232	SaturnTempSpoofer.exe	31
PID 2232 wrote to memory of 2692	2232	SaturnTempSpoofer.exe	31
PID 2208 wrote to memory of 2676	2208	saturntempspoofer.exe	32
PID 2208 wrote to memory of 2676	2208	saturntempspoofer.exe	32
PID 2208 wrote to memory of 2676	2208	saturntempspoofer.exe	32
PID 2208 wrote to memory of 2676	2208	saturntempspoofer.exe	32
PID 2692 wrote to memory of 2696	2692	icsys.icn.exe	34
PID 2692 wrote to memory of 2696	2692	icsys.icn.exe	34
PID 2692 wrote to memory of 2696	2692	icsys.icn.exe	34
PID 2692 wrote to memory of 2696	2692	icsys.icn.exe	34
PID 2696 wrote to memory of 2544	2696	explorer.exe	35
PID 2696 wrote to memory of 2544	2696	explorer.exe	35
PID 2696 wrote to memory of 2544	2696	explorer.exe	35
PID 2696 wrote to memory of 2544	2696	explorer.exe	35
PID 2544 wrote to memory of 3064	2544	spoolsv.exe	36
PID 2544 wrote to memory of 3064	2544	spoolsv.exe	36
PID 2544 wrote to memory of 3064	2544	spoolsv.exe	36
PID 2544 wrote to memory of 3064	2544	spoolsv.exe	36
PID 3064 wrote to memory of 2564	3064	svchost.exe	37
PID 3064 wrote to memory of 2564	3064	svchost.exe	37
PID 3064 wrote to memory of 2564	3064	svchost.exe	37
PID 3064 wrote to memory of 2564	3064	svchost.exe	37
PID 2696 wrote to memory of 2000	2696	explorer.exe	38
PID 2696 wrote to memory of 2000	2696	explorer.exe	38
PID 2696 wrote to memory of 2000	2696	explorer.exe	38
PID 2696 wrote to memory of 2000	2696	explorer.exe	38
PID 3064 wrote to memory of 2976	3064	svchost.exe	39
PID 3064 wrote to memory of 2976	3064	svchost.exe	39
PID 3064 wrote to memory of 2976	3064	svchost.exe	39
PID 3064 wrote to memory of 2976	3064	svchost.exe	39
PID 3064 wrote to memory of 2356	3064	svchost.exe	42
PID 3064 wrote to memory of 2356	3064	svchost.exe	42
PID 3064 wrote to memory of 2356	3064	svchost.exe	42
PID 3064 wrote to memory of 2356	3064	svchost.exe	42
PID 3064 wrote to memory of 828	3064	svchost.exe	44
PID 3064 wrote to memory of 828	3064	svchost.exe	44
PID 3064 wrote to memory of 828	3064	svchost.exe	44
PID 3064 wrote to memory of 828	3064	svchost.exe	44

C:\Users\Admin\AppData\Local\Temp\SaturnTempSpoofer.exe
"C:\Users\Admin\AppData\Local\Temp\SaturnTempSpoofer.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- \??\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:2208
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "AppWindows.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16FA.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2676
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2692
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2544
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3064
      - \??\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:2564
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:09 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2976
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:10 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2356
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:11 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:828
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:2000

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp16FA.tmp

Filesize
1KB

MD5
4a6533ac35b34ba35ea7fe0a37192a66

SHA1
29d3cbd1d4b9542175c17d6d4f20a5d992ae4c01

SHA256
b4eff105fd062397dd2931dd5b138323a3c7d05c9e4f630cf51a24949eb2bacb

SHA512
a356c1d8a46679a9fc2c3a14615d98c3fb4c00ac908b8f44c99a9070cb32d00c3b3eeb1700152f12a78924de79adc2de8452432e647fe0ed46baf1e065451d3d

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

Filesize
135KB

MD5
b757ce58a74655e5d89d828020966ab0

SHA1
502e4756b11c445c4f098e56a78cd060a2e2371f

SHA256
ea1c0e2b8b6c06256fa98bda55ee7576ad63d02ea34a1f28d725629de2e4d8cb

SHA512
9601bc5df8bc471d3ace5a13b2ef86b420e7721f06876fff8b95cd28315f2a9518e4003a3f1c3bb3322229699adda923044a3fb31fa5927fd46428932e732cb4

Download Submit
\Users\Admin\AppData\Local\Temp\saturntempspoofer.exe

Filesize
46KB

MD5
601c4ed7cdaa8a844937fe5fd62a8aff

SHA1
5ad9cf4a98cff0711ef7c0ca68353161d026a783

SHA256
c1d9b0e2b4967ddeace94b452b8db110137d165c4725d3ab61ec0a8b44f27765

SHA512
17d9b61107f327da1baed79779b834e669ecc4c38515e7334cc3424d9e773966937de09dc364111af37013fcdd3b00a3cd0cfcc2950db2bb61797ee1704cd477

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

Filesize
135KB

MD5
d6d054e7390aa12da74bd9dfaf246917

SHA1
62d73f8b9b0cae264d2036204c4c6b05f4fa88d2

SHA256
b89f7426b1d3c5293ff6d0d51f5673c4e670f15d47463461785daec6e3e98903

SHA512
66e4dedd18ad17a9df47dc553937a7048177bf439b682dddb7dcc847e48fdbd00b1e280fd9c5448fc03569c610e104e803dccd5fc0eecc2a140a298ea95f45c2

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
6ee20a7aa3e7b5f073ac249faf3c83d1

SHA1
eee1ccd55f88478bef0d2b8f8cfa7feaba1daaf5

SHA256
b116c91497f64fbbc43af917b8330ebdc3733c1abd0e25bb8bb93a746b652bf8

SHA512
fa26dc651e43feb0b7a7ce3229b0af16a5b0634423a37326e1ebbda693d1cb7e5c72c524ba51cdab14f2c808630dd7d26c953c61953444531286efbd21639a10

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
110bcf60dca77060d23c34842a5e2208

SHA1
50832a1b0f131a9dfb165aebc6fb41cd71e0e48b

SHA256
5e7e21baeb7fc6dfa89ad3c2452b6063e5b998667a78a99a56cc09df2c54eef0

SHA512
9a7cdb68611af93f25437013a484955ccadafa4cd167eacfcd9b2c08109cf1a5d9d24ee7744c62cc9a00a42f9a7c0089d2974f678bc3f7583df4a8d482604e4c

Download Submit
memory/2208-67-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-12-0x0000000001200000-0x0000000001212000-memory.dmp

Filesize
72KB

Download
memory/2208-66-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-11-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2232-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2232-65-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2544-63-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2544-52-0x00000000003D0000-0x00000000003EF000-memory.dmp

Filesize
124KB

Download
memory/2564-62-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2692-64-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2692-31-0x00000000002B0000-0x00000000002CF000-memory.dmp

Filesize
124KB

Download
memory/2692-21-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download