Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/10/2026, 10:45
Behavioral task
behavioral1
Sample
olf1d1kqjx6nkhnz.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
olf1d1kqjx6nkhnz.exe
Resource
win11ltsc2024-20260911-en
General
- Target olf1d1kqjx6nkhnz.exe
- Size 181KB
- Sample261023-mtfbvs1y2j
- SHA256 cc25b8243b1d5dcdd86d74950063ffc3de60516c56585af2414d7bee3efb6936
- MD5 110904d0d38f8892720c3498c81ee136
- SHA1 96af6a8bfa7178a01716321669330e66eefa73de
- SHA512 a9935c19e1ad43847c706c17b60bccf5f5a13d99242d1f5b5774b477a73817b328b5e0c249b55ec167c6e7809ffecee037c8dbb05086eb6120bec8c81590d4ca
- SSDEEP 3072:gEHTjB5jGRXCWQ/r4z8RF5gh+rx/pvU98vdy1TzW4iY/gkYtdWhObl7FEG0:Z5u/O4QVm0BG2vdy1TbD/8Wwbn
- TLSH T1A304F140B7D896F1EA9F46BE53528208A275C1738C47C70B7DCB8DEB25423D6A716CCA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
sheetrat
-
1.8
-
openport.pw:40131
-
anti_virtual
false
-
certificate
cfxobj705xusxlh
-
exclusion_wd
false
-
hidden_file
true
-
install
true
-
install_watch_dog
true
-
key
kvkgxv65dh1k
-
path_client
%LocalApplicationData%\xdwdxd.exe
-
path_watch_dog
%LocalApplicationData%\xdwdbot.exe
-
pump
false
-
rootkit
jozymk4w6rtdpu
-
task_client
svchost
-
task_watch_dog
svchost
-
use_install_admin
false
-
user_init
true
Signatures
- Detects Sheetrat Payload 2 IoCs
Sheetrat aka NonEuclid RAT is a trojan written in C#.
resource yara_rule behavioral2/memory/5312-0-0x0000000000D70000-0x0000000000DA2000-memory.dmp family_sheetrat_v1 behavioral2/files/0x00030000000170ef-11.dat family_sheetrat_v1 - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\xdwdxd.exe" olf1d1kqjx6nkhnz.exe - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 4 IoCs
pid Process 3236 xdwdxd.exe 3612 xdwdxd.exe 5720 xdwdxd.exe 4780 xdwdxd.exe - Loads dropped DLL 5 IoCs
pid Process 2980 Process not Found 3236 xdwdxd.exe 3612 xdwdxd.exe 5720 xdwdxd.exe 4780 xdwdxd.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\xdwd.dll olf1d1kqjx6nkhnz.exe File created C:\Windows\xdwd.dll olf1d1kqjx6nkhnz.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4136 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 10 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname xdwdxd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname olf1d1kqjx6nkhnz.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain olf1d1kqjx6nkhnz.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2800 schtasks.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 5312 olf1d1kqjx6nkhnz.exe Token: SeDebugPrivilege 3236 xdwdxd.exe Token: SeDebugPrivilege 3612 xdwdxd.exe Token: SeIncBasePriorityPrivilege 3236 xdwdxd.exe Token: SeDebugPrivilege 5720 xdwdxd.exe Token: SeDebugPrivilege 4780 xdwdxd.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5312 wrote to memory of 2820 5312 olf1d1kqjx6nkhnz.exe 90 PID 5312 wrote to memory of 4136 5312 olf1d1kqjx6nkhnz.exe 91 PID 4136 wrote to memory of 2800 4136 cmd.exe 94 PID 5312 wrote to memory of 3612 5312 olf1d1kqjx6nkhnz.exe 97 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\olf1d1kqjx6nkhnz.exe"C:\Users\Admin\AppData\Local\Temp\olf1d1kqjx6nkhnz.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5312 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="-:9p&~=\&9ol&+" dir=in action=allow program="C:\Users\Admin\AppData\Local\xdwdxd.exe" enable=yes & exit2⤵PID:2820
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\xdwdxd.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\xdwdxd.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:2800
-
-
-
C:\Users\Admin\AppData\Local\xdwdxd.exe"C:\Users\Admin\AppData\Local\xdwdxd.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:3612
-
-
C:\Users\Admin\AppData\Local\xdwdxd.exeC:\Users\Admin\AppData\Local\xdwdxd.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:3236
-
C:\Users\Admin\AppData\Local\xdwdxd.exe"C:\Users\Admin\AppData\Local\xdwdxd.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:5720
-
C:\Users\Admin\AppData\Local\xdwdxd.exe"C:\Users\Admin\AppData\Local\xdwdxd.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:4780
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\xdwdxd.exe
- Size 181KB
- SHA256 cc25b8243b1d5dcdd86d74950063ffc3de60516c56585af2414d7bee3efb6936
- MD5 110904d0d38f8892720c3498c81ee136
- SHA1 96af6a8bfa7178a01716321669330e66eefa73de
- SHA512 a9935c19e1ad43847c706c17b60bccf5f5a13d99242d1f5b5774b477a73817b328b5e0c249b55ec167c6e7809ffecee037c8dbb05086eb6120bec8c81590d4ca
- SSDEEP 3072:gEHTjB5jGRXCWQ/r4z8RF5gh+rx/pvU98vdy1TzW4iY/gkYtdWhObl7FEG0:Z5u/O4QVm0BG2vdy1TbD/8Wwbn
- TLSH T1A304F140B7D896F1EA9F46BE53528208A275C1738C47C70B7DCB8DEB25423D6A716CCA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\xdwd.dll
- Size 136KB
- SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
- MD5 16e5a492c9c6ae34c59683be9c51fa31
- SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
- SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
- SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
- TLSH T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
- MD5 SHA1 SHA512 SSDEEP TLSH