Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/09/2026, 04:27
General
- Target heif.dll
- Size 707KB
- Sample260901-e3b2sswtbz
- SHA256 938b31b323d580e49c30591784331fee4e026e63a2fa21bf24901156bcc70afe
Score
8/10
Malware Config
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\heif.dll,#11⤵
- Badlisted process makes network request
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4116-0-0x00007FF8BDB10000-0x00007FF8BDE0C000-memory.dmp
memory/4116-2-0x00007FF8BDB10000-0x00007FF8BDE0C000-memory.dmp
memory/4116-6-0x00007FF8BDB10000-0x00007FF8BDE0C000-memory.dmp