Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 09:33
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
General
- Target fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe
- Size 1.4MB
- Sample260831-ljkcdsff72
- SHA256 fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c
- MD5 f161d51336abc02b7be5f17c0a4787ce
- SHA1 62a6c2bc4dd5529dab76be06a25a92025d126508
- SHA512 da71e7dca6a326ee2baa9376815f7edcfd0fc8b675263354d8efe5666fe962cf1eca101eae805eadb675bfa0ef08ba06035aae2ab0868c9042ec90c3e394ae16
- SSDEEP 24576:8w8KjKjGFygcc23L1/NVOmOSGb6E3ecS4fzrjxJh9UZXlpbPvC7xtYUrEmFlo+Ld:IKjKWQc2b1FVgbjrjxPe1pbPSQm1FloW
- TLSH T1A865220176E08074F5F21E30A87096B55BBEFD746931AA0B13991E3D6F38981EA35B73
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification F:\autorun.inf fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe File created C:\autorun.inf fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe File opened for modification C:\autorun.inf fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe File created F:\autorun.inf fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe -
resource yara_rule behavioral2/memory/4192-2-0x0000000003040000-0x0000000003055000-memory.dmp upx behavioral2/memory/4192-1-0x0000000003040000-0x0000000003055000-memory.dmp upx behavioral2/memory/4192-3-0x0000000003040000-0x0000000003055000-memory.dmp upx behavioral2/memory/4192-5-0x0000000003040000-0x0000000003055000-memory.dmp upx behavioral2/memory/4192-8-0x0000000003040000-0x0000000003055000-memory.dmp upx behavioral2/memory/4192-16-0x0000000003040000-0x0000000003055000-memory.dmp upx behavioral2/memory/4192-22-0x0000000003040000-0x0000000003055000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 5200 4192 WerFault.exe 88 - 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 fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe"C:\Users\Admin\AppData\Local\Temp\fef16ffa39a21e2a1187d4d0d275253105d2a98672e6ec9c655395f23614756c.exe"1⤵
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
PID:4192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 4762⤵
- Program crash
PID:5200
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4192 -ip 41921⤵PID:5672