Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
21/04/2026, 10:38
General
- Target c18fcd5ffc7476f7bf1c27ebd2fb8010f6a1366f3782f31877164e8e1ed2a29e.exe
- Size 560KB
- Sample260421-mpff3af17t
- SHA256 c18fcd5ffc7476f7bf1c27ebd2fb8010f6a1366f3782f31877164e8e1ed2a29e
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 11 IoCs
- UPX packed file 6 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
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c18fcd5ffc7476f7bf1c27ebd2fb8010f6a1366f3782f31877164e8e1ed2a29e.exe"C:\Users\Admin\AppData\Local\Temp\c18fcd5ffc7476f7bf1c27ebd2fb8010f6a1366f3782f31877164e8e1ed2a29e.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\a4fb44a8C:\Windows\Syswow64\a4fb44a81⤵
- 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
a4fb44a8
memory/3208-0-0x0000000000730000-0x00000000007BC000-memory.dmp
memory/3208-10-0x0000000000730000-0x00000000007BC000-memory.dmp
memory/3208-19-0x0000000003310000-0x0000000003329000-memory.dmp
memory/3208-27-0x0000000003310000-0x0000000003329000-memory.dmp
memory/3208-40-0x0000000003310000-0x0000000003329000-memory.dmp
memory/3888-4-0x00000000008F0000-0x000000000097C000-memory.dmp
memory/3888-11-0x0000000001C90000-0x0000000001CA9000-memory.dmp
memory/3888-12-0x00000000008F0000-0x000000000097C000-memory.dmp
memory/3888-36-0x00000000008F0000-0x000000000097C000-memory.dmp