Analysis
- max time kernel
151s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/08/2026, 14:11
General
- Target heronuker.exe
- Size 62.3MB
- Sample260808-rhq2fasthv
- SHA256 7bc9c6c23db096a2ca79fe40495567e95d561d2a0e1f149493906650c0847635
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 64 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 9 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 TTPs 10 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a command shell one-liner 1 TTPs 4 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\heronuker.exe"C:\Users\Admin\AppData\Local\Temp\heronuker.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\heronuker.exeC:\Users\Admin\AppData\Local\Temp\heronuker.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "ver"3⤵
- Executes a command shell one-liner
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c3⤵
- Executes a command shell one-liner
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-
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C:\Users\Admin\AppData\Roaming\WindowsHelper\heronuker.exeC:\Users\Admin\AppData\Roaming\WindowsHelper\heronuker.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WindowsHelper\heronuker.exeC:\Users\Admin\AppData\Roaming\WindowsHelper\heronuker.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "ver"3⤵
- Executes a command shell one-liner
-
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c3⤵
- Executes a command shell one-liner
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
VCRUNTIME140.dll
_asyncio.pyd
_bz2.pyd
_cffi_backend.pyd
_ctypes.pyd
_hashlib.pyd
_lzma.pyd
_overlapped.pyd
_queue.pyd
_socket.pyd
_sqlite3.pyd
_ssl.pyd
_uuid.pyd
ada92cb5d92a588d1b93__mypyc.pyd
_http_parser.pyd
_http_writer.pyd
mask.pyd
reader_c.pyd
_zstd.pyd
cd.pyd
_frozenlist.pyd
heronuker.dll
libcrypto-3.dll
libffi-8.dll
libssl-3.dll
_multidict.pyd
_helpers_c.pyd
python311.dll
select.pyd
sqlite3.dll
unicodedata.pyd
_quoting_c.pyd
memory/2092-197-0x00007FF758800000-0x00007FF75C67B000-memory.dmp
memory/2092-198-0x00007FF88FA20000-0x00007FF891DA5000-memory.dmp
memory/2092-207-0x00007FF88FA20000-0x00007FF891DA5000-memory.dmp
memory/2092-210-0x00007FF88FA20000-0x00007FF891DA5000-memory.dmp
memory/3324-195-0x00007FF891DB0000-0x00007FF894135000-memory.dmp
memory/3324-194-0x00007FF7BE0D0000-0x00007FF7C1F4B000-memory.dmp
memory/3324-201-0x00007FF891DB0000-0x00007FF894135000-memory.dmp
memory/3324-204-0x00007FF891DB0000-0x00007FF894135000-memory.dmp
memory/4212-193-0x00007FF7BE0D0000-0x00007FF7C1F4B000-memory.dmp
memory/4584-196-0x00007FF758800000-0x00007FF75C67B000-memory.dmp