Analysis
- max time kernel
149s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 12:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
TCPView.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target TCPView.exe
- Size 258KB
- Sample260910-psr1dacl7t
- SHA256 9aaa51258126aae9be5e535d1cd475054cff60d5a735c2a54e387b788aa49673
- MD5 dc0bfb19b2d47ee7826773e3a12487b0
- SHA1 ae0926db8212ec353b8932c564a4c679de8fc3cd
- SHA512 5a8085e035b4fdcd5a9fe935e1011bd87b5a011afb81f141cecad5b84a59c6162af37b1ab63f09789c2147c4bae58126a50f548812c68f3c510a6072050b223e
- SSDEEP 6144:CUrqA3AheuswyPnZDGfPzaiBBXfbpOu0HIeUHZC:CUWA3AheuswyZGfP/BBXfbpd0HpU5C
- TLSH T14E44AE2236F7C47BE16D6134FA65A3FB8174AD20F4299207EBA43C1D3A317E9980D653
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4816 Tcpview.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3644 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TCPView.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Tcpview.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4348 reg.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe 4816 Tcpview.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4816 Tcpview.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4816 Tcpview.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1324 wrote to memory of 3644 1324 TCPView.exe 88 PID 3644 wrote to memory of 4348 3644 cmd.exe 90 PID 3644 wrote to memory of 4816 3644 cmd.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\TCPView.exe"C:\Users\Admin\AppData\Local\Temp\TCPView.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\tcpview.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\SysWOW64\reg.exeREG ADD HKCU\Software\Sysinternals\TCPView /v EulaAccepted /t REG_DWORD /d 1 /f3⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4348
-
-
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Tcpview.exeTcpview.exe /accepteula3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4816
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-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\TCPView.bat
- Size 123B
- SHA256 0f88df2fb3d88d2d9f97cbcb9a8fb7dc607664665d2d590332d695b806243a08
- MD5 415ad70529115a60246b5717552eb862
- SHA1 7310a8e23285280f3e4d2ca3be7dfbdcb64b32e8
- SHA512 e94dc73f2643ca04d4473480171fa84dfc8101c7c4df70bad0552c6168143e832fa3106b98a3260c7554a5015afefbf0779cdc3bdd46ab898c746d035992b48f
- TLSH T1FFB02B3030C705D05C033E2434181101C507010B01C046C1D646502100CFE4844341E6
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\Tcpview.exe
- Size 193KB
- SHA256 5ad240fbbaf7bd0484a90a89e2f1190fc377e5af0f218b313c0d3ad756cb7327
- MD5 a9febede0fc4497d52e334c702363964
- SHA1 2fbbab18e44e77b96305f531a50d85e492f32a9f
- SHA512 a7bfb0f951b9216501051da1644c5573afbce3b6928a0edc22ed2abaa57065af53a41b34f3d23e7c248509845b9629d507ecc3e3007ba2093f8c0ca63bcdf47c
- SSDEEP 3072:u/NMu3fAzYFoyTywZH3TK/G2vJiYJFCnjZWKaSoX5ma9wn9lQHZ/Q:uh3IzYeyyaHmG270jQf9glkQ
- TLSH T18B147C2472C0C072E02B24714576C7F29A3A7CA55726A9AFBFD44EBA5F213E1DA3530D
- MD5 SHA1 SHA512 SSDEEP TLSH