Analysis
- max time kernel
149s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/10/2026, 03:30
Behavioral task
behavioral1
Sample
jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
- Size 241KB
- Sample261014-d2tpsaxyht
- SHA256 7ee8d4fdd0d6e646c102b9f66419593e89e77d2e9a049e910dcdc6b4efa75470
- MD5 32d74f6ce1687366113243debcdb1e0e
- SHA1 59c550b50ac00eab5d38d0b769c1ab1ec321c9b2
- SHA512 968da64c06ce655bd3ff37e34f2dddd025d05b0356b8f76ff686745bf4ee75ed95f91ce7daf74d1de4c96e38b690a7fdfa486dea5f74889735aa69434681a494
- SSDEEP 6144:2keENDvTSn2SV/GuhYdViC7X57+nMEPJjZnrT8:2NEND/k/GLPX57+nHP1V38
- TLSH T109342202D32918C3C9910D3AD61BDD95CB55F007ED6FAF47AA81AE6FED393819F82481
- MD5 SHA1 SHA512 SSDEEP TLSH
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) \??\g: 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) \??\w: 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) \??\s: 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) \??\e: 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) \??\j: 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) \??\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) \??\i: 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) \??\o: 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) \??\v: 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) \??\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 behavioral1/memory/3544-0-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/3544-20-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/3544-23-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/3544-27-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/3544-28-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/3544-29-0x0000000000400000-0x0000000000489000-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\Domain jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 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 - Modifies system certificate store 2 TTPs 3 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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 jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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 jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5 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
- Modifies system certificate store
PID:3544
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
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