Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
05/06/2026, 22:23
General
- Target 2026-06-05_0d9dd11042e464d82a484e051022323a_elex_wannacry.exe
- Size 52KB
- Sample260605-2askeaev5v
- SHA256 29a542e1d7a68ceb95228f9cec5633ec296a6f8faab63ae1700299bf30c76026
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 13 IoCs
- Executes dropped EXE 6 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in System32 directory 2 IoCs
- UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 3 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 60 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Local\Temp\2026-06-05_0d9dd11042e464d82a484e051022323a_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-05_0d9dd11042e464d82a484e051022323a_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yuggct.exe"C:\Users\Admin\AppData\Local\Temp\yuggct.exe"2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Temp\yuggct.exeC:\Users\Admin\AppData\Local\Temp\yuggct.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\Intel(R) HD Graphics Manager.exe"C:\Windows\System32\Intel(R) HD Graphics Manager.exe"1⤵
- Executes dropped EXE
-
C:\Windows\System32\Intel(R) HD Graphics Manager.exe"C:\Windows\System32\Intel(R) HD Graphics Manager.exe"1⤵
- Executes dropped EXE
-
C:\Windows\System32\Intel(R) HD Graphics Manager.exe"C:\Windows\System32\Intel(R) HD Graphics Manager.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
system.ini
yuggct.exe
System.dll
memory/636-114-0x00000186FABC0000-0x00000186FABD0000-memory.dmp
memory/636-20-0x00000186FAB90000-0x00000186FABA0000-memory.dmp
memory/636-149-0x00000186FABC0000-0x00000186FABD0000-memory.dmp
memory/636-61-0x00000186FAB90000-0x00000186FABA0000-memory.dmp
memory/636-18-0x00000186FAB90000-0x00000186FABA0000-memory.dmp
memory/636-19-0x00000186FAB90000-0x00000186FABA0000-memory.dmp
memory/2220-12-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2220-15-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2716-3-0x0000000000C70000-0x0000000000C86000-memory.dmp
memory/2716-1-0x0000000000C70000-0x0000000000C86000-memory.dmp
memory/2716-7-0x0000000000401000-0x0000000000402000-memory.dmp
memory/2716-236-0x0000000000400000-0x000000000040D000-memory.dmp
memory/2716-2-0x0000000000C70000-0x0000000000C86000-memory.dmp
memory/2716-10-0x0000000000C70000-0x0000000000C86000-memory.dmp
memory/2716-142-0x0000000000C70000-0x0000000000C86000-memory.dmp
memory/2716-0-0x0000000000400000-0x000000000040D000-memory.dmp
memory/3180-87-0x0000000002370000-0x0000000002371000-memory.dmp
memory/3180-60-0x0000000071200000-0x000000007121A000-memory.dmp
memory/3180-24-0x0000000071200000-0x000000007121A000-memory.dmp
memory/3180-26-0x0000000071200000-0x000000007121A000-memory.dmp
memory/3464-44-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3464-25-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3616-138-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3616-121-0x0000000000400000-0x000000000040B000-memory.dmp