Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/10/2026, 03:30
Behavioral task
behavioral1
Sample
jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
- Size 205KB
- Sample261014-d2wjdaxyhv
- SHA256 d3a446ea45a5b2d2b29f44cc520b49ce83dfde8e2163eb023ff993613175dc4f
- MD5 36efe5d24d0e537cfdd14514c15f483d
- SHA1 63ae43dc9091b699a93da04fd367affbb604f0d8
- SHA512 d37a169159d59adec180c5a2f9d18ddc67dedd66f30f2639ce0989e6098ec0a58539c3f8fbf62e3ef3fa4d9652f07c48e414880d3bca7c63fbf751d8973844e2
- SSDEEP 3072:fwECxF+ze4WcCks7/m2Hq8u2EehJvuUY9dM8ULpLNoJHLG4E9hqjRQWTicKK9i64:vzecAPupYvuUoYpRZWjR/TZ/9i6FlP4/
- TLSH T178241277EBB0BB1DDD154E74C193E66C5020F212D298BB832BD4722F6DB2265BF21285
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\i: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\l: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\m: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\t: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\u: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\v: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\o: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\s: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\j: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\n: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\p: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\q: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\r: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\w: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\x: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\d: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\g: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\h: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\k: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\y: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe File opened (read-only) \??\z: jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe -
resource yara_rule behavioral2/memory/4696-0-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral2/memory/4696-18-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral2/memory/4696-21-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral2/memory/4696-25-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral2/memory/4696-27-0x0000000000400000-0x0000000000475000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\SAItest.txt jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.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_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe"1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4696
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7B8944BA8AD0EFDF0E01A43EF62BECD0_E5BAFA780D24C246E9F81B665CB8210C
- Size 5B
- SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
- MD5 5bfa51f3a417b98e7443eca90fc94703
- SHA1 8c015d80b8a23f780bdd215dc842b0f5551f63bd
- SHA512 4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399
- MD5 SHA1 SHA512