Analysis
- max time kernel
148s - max time network
143s - 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, 15:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan.Win32.Refroso.giyv.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan.Win32.Refroso.giyv.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target jaffacakes118_Trojan.Win32.Refroso.giyv.exe
- Size 406KB
- Sample261018-sty2vsfy21
- SHA256 b78770a635090635fce403e10c068dcf62bacb4032a41e9ecfd89b743acd577e
- MD5 2f3942e0e7962d9fa1823c4627adc11d
- SHA1 b3c0907000f52e9be0596b3c8dbef0bca3bcd53a
- SHA512 ee0181397fae1c87a9b4056f88ecb0f1e17fe8d2be746d0242f7dd34f92c7de859ca83d68e5c1c02bb7e3dd96828faf97c95ac5d93fccd5c679cade09e8b3f9e
- SSDEEP 12288:YNqGOk7zZDTujEGoGtU6fGicpVNE8raByc769ke:YNqSRK6GuIaLNE8raByK6We
- TLSH T127940290794D5A92E77D0C3DD477CB6103296D6548610C2B78BBFE89393A60B062BF8F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3112 set thread context of 712 3112 jaffacakes118_Trojan.Win32.Refroso.giyv.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.giyv.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key jaffacakes118_Trojan.Win32.Refroso.giyv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" jaffacakes118_Trojan.Win32.Refroso.giyv.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3112 jaffacakes118_Trojan.Win32.Refroso.giyv.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3112 wrote to memory of 712 3112 jaffacakes118_Trojan.Win32.Refroso.giyv.exe 89 PID 3112 wrote to memory of 712 3112 jaffacakes118_Trojan.Win32.Refroso.giyv.exe 89 PID 3112 wrote to memory of 712 3112 jaffacakes118_Trojan.Win32.Refroso.giyv.exe 89 PID 3112 wrote to memory of 712 3112 jaffacakes118_Trojan.Win32.Refroso.giyv.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.giyv.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.giyv.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.giyv.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Refroso.giyv.exe2⤵PID:712
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