Analysis
- max time kernel
149s - max time network
92s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 09:02
General
- Target 493555f293389e6e41828289be8f1b463f6b95277d33d46b35f7e796e619a1d4.exe
- Size 1016KB
- Sample260421-kzn5vaby3p
- SHA256 493555f293389e6e41828289be8f1b463f6b95277d33d46b35f7e796e619a1d4
Malware Config
Signatures
- Deletes itself 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\493555f293389e6e41828289be8f1b463f6b95277d33d46b35f7e796e619a1d4.exe"C:\Users\Admin\AppData\Local\Temp\493555f293389e6e41828289be8f1b463f6b95277d33d46b35f7e796e619a1d4.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
VBS3.vbs
svchcst.exe
memory/1120-25-0x0000000000960000-0x00000000009AA000-memory.dmp
memory/2220-26-0x0000000003820000-0x000000000386A000-memory.dmp
memory/2220-27-0x0000000005E10000-0x0000000005E30000-memory.dmp
memory/3032-23-0x0000000003670000-0x00000000036BA000-memory.dmp
memory/3032-24-0x0000000005460000-0x0000000005480000-memory.dmp
memory/3892-19-0x0000000000BE0000-0x0000000000C2A000-memory.dmp
memory/3892-18-0x0000000000400000-0x0000000000533000-memory.dmp
memory/3892-14-0x0000000000400000-0x0000000000533000-memory.dmp
memory/3892-11-0x0000000000BE0000-0x0000000000C2A000-memory.dmp
memory/3892-10-0x0000000000400000-0x0000000000533000-memory.dmp
memory/4708-28-0x00000000009C0000-0x0000000000A0A000-memory.dmp