Analysis
- max time kernel
150s - max time network
162s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 04:36
General
- Target b99435ec28ff6d4c90029f4161ceb2160a274969722f9df1d065753cd5f62f76.exe
- Size 618KB
- Sample260421-e8mqgshx2n
- SHA256 b99435ec28ff6d4c90029f4161ceb2160a274969722f9df1d065753cd5f62f76
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Drops file in System32 directory 15 IoCs
- UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 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 9 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b99435ec28ff6d4c90029f4161ceb2160a274969722f9df1d065753cd5f62f76.exe"C:\Users\Admin\AppData\Local\Temp\b99435ec28ff6d4c90029f4161ceb2160a274969722f9df1d065753cd5f62f76.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\939e8971C:\Windows\Syswow64\939e89711⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
939e8971
memory/5504-20-0x0000000000EB0000-0x0000000000F8F000-memory.dmp
memory/5504-18-0x0000000000020000-0x00000000000A9000-memory.dmp
memory/5504-0-0x0000000000020000-0x00000000000A9000-memory.dmp
memory/5504-35-0x0000000000020000-0x00000000000A9000-memory.dmp
memory/5504-59-0x0000000000020000-0x00000000000A9000-memory.dmp
memory/5504-69-0x0000000000020000-0x00000000000A9000-memory.dmp
memory/5932-4-0x0000000000FB0000-0x0000000001039000-memory.dmp
memory/5932-21-0x0000000000FB0000-0x0000000001039000-memory.dmp
memory/5932-22-0x0000000000A90000-0x0000000000B6F000-memory.dmp
memory/5932-25-0x0000000000FB0000-0x0000000001039000-memory.dmp
memory/5932-37-0x0000000000FB0000-0x0000000001039000-memory.dmp
memory/5932-45-0x0000000000FB0000-0x0000000001039000-memory.dmp