Analysis
- max time kernel
149s - max time network
96s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 22:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe
Resource
win10v2004-20260130-en
4 signatures
150 seconds
General
- Target 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe
- Size 1.4MB
- Sample260423-2ba2raax2w
- SHA256 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56
- MD5 4de797fc34adeda8acb4ebffe68cc319
- SHA1 bff499598b807802b1baaed8a0f8fa5a5ed0de4a
- SHA512 be3da1ffbeae095806f4fa4c4100b32ca7cbee65f2856b70304517e4dc2c6519286ad1c0b1c303ab478e93ee14dd54779038d21f9c42e466ca4cbdd5499d5c8c
- SSDEEP 24576:Dw8KjKjGFygcc23L1/NVOmOSGb6E3ecS4fzrjxJh9UZXlpbPvC7xtYUrEmFlo+L4:lKjKWQc2b1FVgbjrjxPe1pbPSQm1FloP
- TLSH T11665220172E08074F5F21A30A97096B55BBEFD746931AA0B13991F3D6F38981EA35B73
- 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 created C:\autorun.inf 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe File opened for modification C:\autorun.inf 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe File created F:\autorun.inf 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe File opened for modification F:\autorun.inf 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe -
resource yara_rule behavioral2/memory/1452-2-0x0000000002A00000-0x0000000002A15000-memory.dmp upx behavioral2/memory/1452-3-0x0000000002A00000-0x0000000002A15000-memory.dmp upx behavioral2/memory/1452-5-0x0000000002A00000-0x0000000002A15000-memory.dmp upx behavioral2/memory/1452-22-0x0000000002A00000-0x0000000002A15000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 6040 1452 WerFault.exe 78 - 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 65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe"C:\Users\Admin\AppData\Local\Temp\65f8e51687b0605c60c8a7542d70589167814a868507e23f22e5a9f4da430d56.exe"1⤵
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
PID:1452 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 4642⤵
- Program crash
PID:6040
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1452 -ip 14521⤵PID:4112