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
09/10/2026, 21:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe
- Size 569KB
- Sample261009-zy16caex2v
- SHA256 fd1ec03f59f4663deb0c7a410d42235c6b038e90a3b02fa0e2768739fa3cec97
- MD5 f17f364da8db99f1852420552ef7f52f
- SHA1 59b398aefd341c1290e0437e10a92b975bf01e8a
- SHA512 274bc911fa179fbd7bf236dba640c003e586a6a34b10865a6b0a9c0b52b56115b179d167b4c9da0b6b30960af96eaf33925094f2b3468cecbbecf8b39fe0ecb9
- SSDEEP 12288:kUXXVeQ1J79/JIELa/BRR0yeFkfvUmAh6+lQVzYKj86sVa+Rvk:ZVfz9Rg/BRR44vU9h6TpYOx++
- TLSH T1DFC423B6F1505778CEC59D31B367FA1997FAE4CD518C284A8C39E035AEF23DB611082A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3840 set thread context of 4252 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe 90 PID 3840 set thread context of 0 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe - 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-Dropper.Win32.VB.dfvu.exe - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3840 wrote to memory of 4252 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe 90 PID 3840 wrote to memory of 4252 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe 90 PID 3840 wrote to memory of 4252 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe 90 PID 3840 wrote to memory of 4252 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe 90 PID 3840 wrote to memory of 0 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe PID 3840 wrote to memory of 0 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe PID 3840 wrote to memory of 0 3840 jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.VB.dfvu.exe"2⤵PID:4252
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