Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 18:21
Static task
static1
Behavioral task
behavioral1
Sample
Launch.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Launch.bat
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
luad.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
luad.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
rsp.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
rsp.js
Resource
win11ltsc2024-20260709-en
General
- Target Launch.bat
- Size 23B
- Sample260730-wzn1maxxes
- SHA256 dce5fc61e153377bb42b53b7dfca841399dd5c94d5fdf2631617a6df8c7cded1
- MD5 b9c3f7efd325c8df5530424182106713
- SHA1 9248b0928bc5f821bdc8994b0b4ce244209fd65a
- SHA512 0f1b3c44291dd2bcd7ecc5ef8128f5282143794e539205942124551c2cd04c5e0e7914314963c203a7f905d89e5d52c02b4ee1806e41436efaf0ba593f389e85
- MD5 SHA1 SHA512
Malware Config
Signatures
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Setup\Scripts\ErrorHandler.cmd luad.exe - Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 632 cmd.exe 4732 cmd.exe 2716 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language luad.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5068 schtasks.exe 2960 schtasks.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2716 wrote to memory of 5424 2716 cmd.exe 90 PID 5424 wrote to memory of 5068 5424 luad.exe 92 PID 5424 wrote to memory of 2960 5424 luad.exe 93 PID 1240 wrote to memory of 632 1240 Setup.exe 99 PID 632 wrote to memory of 4732 632 cmd.exe 101
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Launch.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Users\Admin\AppData\Local\Temp\luad.exeluad.exe rsp.json2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5424 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc daily /st 10:45 /f /tn TaskScheduler_ODM5 /tr ""C:\Users\Admin\AppData\Local\ODM5\ODM5.exe" "C:\Users\Admin\AppData\Local\ODM5\rsp.json""3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5068
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc daily /st 10:45 /f /tn Setup /tr "C:/Windows/System32/oobe/Setup.exe" /rl highest3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2960
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C:\Windows\System32\oobe\Setup.exeC:/Windows/System32/oobe/Setup.exe1⤵
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\Setup\Scripts\ErrorHandler.cmd2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\ODM5\ODM5.exe" "C:\Users\Admin\AppData\Local\ODM5\rsp.json""3⤵
- Executes a command shell one-liner
PID:4732
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Windows\Setup\Scripts\ErrorHandler.cmd
- Size 109B
- SHA256 a39bf0977296f07e42d9e450318c779abcdfc4688d80fa560c45ab3816a5b0cc
- MD5 40ae4291ed488d0dbc35ee67fb7ac924
- SHA1 35650135cea845a1193796f0a193744ee5e53b34
- SHA512 f0099a81f2598272697a6ffcbc179b24230b25385f24bffedecb73b60efa6a93e4afaf5b34763dfe19be28caf7218008c764bcd972ce28f1d8ff48dbac5978c2
- TLSH T12DB0920145CA8A39840CA03B0EB1674880A589883EC9EB015220940C224281CFCC2202
- MD5 SHA1 SHA512 TLSH