Analysis
- max time kernel
148s - 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
25/09/2026, 18:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe
- Size 58KB
- Sample260925-wpmptagd32
- SHA256 8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f
- MD5 dda8401e73e5c48ff22dc0bb933a28ec
- SHA1 35dacb440672376db14506d2c6e20b7ccd5459ad
- SHA512 49a2e46e05a5bbdb81d7f410fe538396870070e536b39b0af0a99fb918f3be0ce59e03661867f73c1c2fdc26da76e98726bdac8e52f87847e8ca0976767034f4
- SSDEEP 768:qVjViYrwdJfZ/094X052PFVn3yY/h+KLXRidP8tIL1c9mYooP0R:o8YKfZcGX0YPFVnX5+KLXRiKKy5cR
- TLSH T1594328222C977471CD344074379B5EBDC638FAA1AD1754C3EA02DEE5E8E5CBAE225903
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\bjrvm.cfg jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe File opened for modification C:\Windows\SysWOW64\bjrvm.dll jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe File created C:\Windows\SysWOW64\bjrvm.dll jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe File created C:\Windows\SysWOW64\espter.sys jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe File created C:\Windows\SysWOW64\sperls.dll jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe File opened for modification C:\Windows\SysWOW64\sperls.dll jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3748 wrote to memory of 4992 3748 jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_8e2f427ea5a3d9a5030240d7e696c99474e87779e739fd96c801f0afca49778f.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4992
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bjrvm.dll
- Size 49KB
- SHA256 8f09358ff0b5271ffde9a9a9f0e6b36fd30f698ee18dae5cef584c603ebf7cda
- MD5 ec64a7e3b10eb11f57e7cf16e1982378
- SHA1 b972d5d11262894be372c201b67124de056e6c10
- SHA512 23e044908be62194c1279c1f2932ac985628e5b8aeedbda5f9c30b8ef584998db4ebca8b5f82194efa0c9b32dbf96284915a8562d9c9da269ee67f7602e9c617
- SSDEEP 768:dfZ/094X052PFVn3yY/h+KLXRidP8tIL1c9mYooP0R:dfZcGX0YPFVnX5+KLXRiKKy5cR
- TLSH T1CF335C2228D77471CD704074379B5EBDC638F9A1AD1754C3AA02DEE5E8F6CBAE221907
- MD5 SHA1 SHA512 SSDEEP TLSH