Analysis
- max time kernel
150s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
23/10/2026, 17:40
General
- Target 2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe
- Size 772KB
- Sample261023-v8trssft5m
- SHA256 19445d9aca65d880b8fa7994edc5d9ae1e57128e9bd471b50b3d83f6c4b969b6
Malware Config
Signatures
- Family: FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Loads dropped DLL 1 IoCs
- Drops file in System32 directory 10 IoCs
- Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs
Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies data under HKEY_USERS 11 IoCs
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe" -service -lunch1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_da16c945e51fcd61f077cedea53d6691_elex_hacktools_wannacry.exe"2⤵
- Drops file in System32 directory
- Direct Volume Access: Opens a physical disk for reading
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\rundll32.exerundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",run3⤵
- Badlisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
aa_nts.dll
aa_nts.msg
settings3.bin
memory/4844-20-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-25-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-26-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-27-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-28-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-29-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-30-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-31-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4844-32-0x0000000064200000-0x00000000642EE000-memory.dmp