Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/10/2026, 18:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Howl_patched.exe
Resource
win10v2004-20260911-en
3 signatures
150 seconds
General
- Target Howl_patched.exe
- Size 22.9MB
- Sample261003-xhydeaveph
- SHA256 15a4adc1c7d652a98cb7483fa8427d365c27934b7805295ad5d193354eb46ae6
- MD5 4e134d06e2c71a675a2e3c65f22e3e93
- SHA1 ddc0698948ba312a95ab8ed2d3e30279f607424c
- SHA512 212a07556f2fdb5675edffefe64c87e3e9190bd6a3824f50219280c08f9c4cd63a542be2e750a887c54a64dd1d71dfcdea62ac7b7ef037bc57efffda9a39b9aa
- SSDEEP 196608:8EcdLzccSkcX26JKsp+Xvr+h7wDSZ8Mx5:pcLQcSkcX26JKsp+XT+hPPx5
- TLSH T18C37F142B3DC45DEDF22A97889525A43C3E6F808172143F7BBCE496A5A3BDE00B7D641
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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 4924 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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\Hostname Howl_patched.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Howl_patched.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5624 wrote to memory of 4924 5624 Howl_patched.exe 91 PID 4924 wrote to memory of 4464 4924 cmd.exe 92 PID 4924 wrote to memory of 3452 4924 cmd.exe 93 PID 4924 wrote to memory of 1120 4924 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\Howl_patched.exe"C:\Users\Admin\AppData\Local\Temp\Howl_patched.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:5624 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Howl_patched.exe" MD5 | find /i /v "md5" | find /i /v "certutil"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\system32\certutil.execertutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Howl_patched.exe" MD53⤵PID:4464
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C:\Windows\system32\find.exefind /i /v "md5"3⤵PID:3452
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C:\Windows\system32\find.exefind /i /v "certutil"3⤵PID:1120
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