Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/05/2026, 04:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
core.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
core.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target core.exe
- Size 34.6MB
- Sample260502-e7zzescz6q
- SHA256 c6f6e4cba2691b10e86a3fb9810ce9aa6e566dbb44aae0c7de1bc99cc924d4a8
- MD5 792483bad0f4ecceb0eb4a8514f48a3a
- SHA1 b0e6ec1631a9fa773de041476c1925e92bf5790b
- SHA512 06d71638788ac22bfdbadd67548cf89a9b9d4d9c0b45b6c1237700b5d94c27bb1b8ba1e546c8e1963a2a17c13a230cd55aa54f9cb79a2fe76aa4a1776bc97526
- SSDEEP 786432:zye7ft/ukETjmsp2sLRoVVN72g0XwGqK7NricwCzlpHs0p7yovFfPmlUSxXb:zyexWFTyFVF2g0/7ZwCznHFpFNn85
- TLSH T16F87333161C1A875D1F4CA70E8B81137BAA0BC25BA2AED7E777959C73C6F5E20C01A17
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation core.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\crack.exe crack.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\crack.exe crack.exe - Executes dropped EXE 1 IoCs
pid Process 3844 crack.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 core.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3844 crack.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3464 core.exe 3464 core.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3464 wrote to memory of 3844 3464 core.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\core.exe"C:\Users\Admin\AppData\Local\Temp\core.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Users\Admin\AppData\Local\Temp\crack.exe"C:\Users\Admin\AppData\Local\Temp\crack.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
PID:3844
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\crack.exe
- Size 18KB
- SHA256 0a1a408b104d16cc870b9064b3357ca0af01c371ec857f4f23a644e8af849dfb
- MD5 cf828e3f4edbe63c85aa8ecc978986c6
- SHA1 32ead53d671690246f09a272b1e5a085df2beb52
- SHA512 df44fc018604c725de1547da18571ac950b28dd3c1c08252442f6d2e747cab7ee9d11229fcb54b4e8dd36b10173fdd0dabdf69e5ac1feabf88aafb9de4616ced
- SSDEEP 384:84DIh6WG5tV+xSjdto26g2S0olp6NaUkBq2Ci1NSaz+kz:FDIhK3gG/6rsYSNJSkz
- TLSH T185824C1D63E6D7B6CEED5ABA486362811B31D30BA983FF1E8DEC807718777404B62614
- MD5 SHA1 SHA512 SSDEEP TLSH