Analysis
- max time kernel
149s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
21/04/2026, 04:36
General
- Target b99435ec28ff6d4c90029f4161ceb2160a274969722f9df1d065753cd5f62f76.exe
- Size 618KB
- Sample260421-e8mqgshx2n
- SHA256 b99435ec28ff6d4c90029f4161ceb2160a274969722f9df1d065753cd5f62f76
Score
7/10
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 5 IoCs
- UPX packed file 8 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 8 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\9efe76f1C:\Windows\Syswow64\9efe76f11⤵
- 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
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Downloads
9efe76f1
memory/4736-3-0x00000000005E0000-0x0000000000669000-memory.dmp
memory/4736-12-0x00000000005E0000-0x0000000000669000-memory.dmp
memory/4736-25-0x00000000005E0000-0x0000000000669000-memory.dmp
memory/4748-0-0x0000000000230000-0x00000000002B9000-memory.dmp
memory/4748-10-0x0000000000230000-0x00000000002B9000-memory.dmp
memory/4748-24-0x0000000000230000-0x00000000002B9000-memory.dmp
memory/4748-43-0x0000000000230000-0x00000000002B9000-memory.dmp