Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
15/10/2026, 12:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe
Resource
win10v2004-20260911-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe
Resource
win11ltsc2024-20260911-en
3 signatures
150 seconds
General
- Target jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe
- Size 36KB
- Sample261015-n8xp5atthy
- SHA256 bd66bcea9aa3f4b50656f0658eea0369d676aa159929f069d0309f6fc0445351
- MD5 345e3346f989d989a762de8a5eb40ad8
- SHA1 9a2978579ffb279c98146ecde5f7579f9ece9aac
- SHA512 698b87f36d8e305a559a76770b4012f5dc34538eaa680b503b879f2de3c79631af5183891d8a0ab447ca324a1f6a9c6921965f291f527382dd6635a8291f1bf9
- SSDEEP 768:/IPfXOhlKoLxtCt74y/842kGim5admgS0CX0MTbcge5:UCKoLD+h/84UimkdxMUT5
- TLSH T1E6F2E1415B5C421FCA5A037BD017EA564C37AA2466A44F6C3AEC2F3B3F32E208A47257
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- 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_Backdoor.Win32.Bifrose.fsi.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5016 wrote to memory of 3288 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe 56 PID 5016 wrote to memory of 3288 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe 56 PID 5016 wrote to memory of 3288 5016 jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe 56
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3288
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Bifrose.fsi.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5016
-