Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
10/11/2026, 08:17
General
- Target WrittenBytes.exe
- Size 838KB
- Sample261110-j6thgaea63
- SHA256 c6651263d45648a96b78be12bbe848a28ed25a3bb0ee4c3d1b4f7810d2fcf163
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
- 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.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\WrittenBytes.exe"C:\Users\Admin\AppData\Local\Temp\WrittenBytes.exe"1⤵
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
amsi.dll
memory/4916-12-0x000000001B4A0000-0x000000001B578000-memory.dmp
memory/4916-2-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-4-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-7-0x000000001B250000-0x000000001B31E000-memory.dmp
memory/4916-0-0x00007FFF70B7F000-0x00007FFF70B80000-memory.dmp
memory/4916-8-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-9-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-10-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-1-0x00000000003F0000-0x00000000004C8000-memory.dmp
memory/4916-11-0x000000001B420000-0x000000001B49C000-memory.dmp
memory/4916-15-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-14-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-13-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-16-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-17-0x000000001B680000-0x000000001B6CC000-memory.dmp
memory/4916-18-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-19-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-20-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp
memory/4916-21-0x000000001BA10000-0x000000001BB18000-memory.dmp
memory/4916-22-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp