Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/10/2026, 15:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan.Win32.Refroso.fxhs.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan.Win32.Refroso.fxhs.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target jaffacakes118_Trojan.Win32.Refroso.fxhs.exe
- Size 383KB
- Sample261018-sthd4set9j
- SHA256 ade5681f3983e3ea3ee5206853a0c59d60438acff24eba4b83c7e8c82e7b4596
- MD5 de1ea24fa46cb3275e24fdcf5466e31e
- SHA1 787e0fdb86e605ad890e6ef56c5a9f0d4b042b2b
- SHA512 a588fe28af04619cfda92b1d805699250d01769d3164c31f090749c59fc7d41a7e7031f747a74a3bd2a45b910e2a2f8cd5ef6ea929769fccd02b1a98b009040e
- SSDEEP 6144:8QR/hc/3zPh52T3Qy89gE4yN90mpynVW5GJZ2tNYLj8MfsrjwXLfj2MfK:1EjSsOy90hVzYKj86srkXLfi6K
- TLSH T1F98423537759E7D0CDE469B27A27630E2978FCB69444C09B1A92BF672CBB607C427803
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3308 set thread context of 1372 3308 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe 89 - System Location Discovery: System Language Discovery 1 TTPs 1 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 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key jaffacakes118_Trojan.Win32.Refroso.fxhs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ jaffacakes118_Trojan.Win32.Refroso.fxhs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" jaffacakes118_Trojan.Win32.Refroso.fxhs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3308 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3308 wrote to memory of 1372 3308 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe 89 PID 3308 wrote to memory of 1372 3308 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe 89 PID 3308 wrote to memory of 1372 3308 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe 89 PID 3308 wrote to memory of 1372 3308 jaffacakes118_Trojan.Win32.Refroso.fxhs.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.fxhs.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.fxhs.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3308 -
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.fxhs.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.fxhs.exe"2⤵PID:1372
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