Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
- submitted
26/06/2026, 10:46
General
- Target plaslclasc.exe
- Size 45KB
- Sample260626-mvb1tsbv2p
- SHA256 bfa3769d868815f427810a314efb62f4b2ee3fa674b967d3222befaae7b3ab11
Malware Config
Extracted
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asyncrat
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0.5.8
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Admin
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sexkola.com:80
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sexkola.com:443
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www.sexkola.com:80
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www.sexkola.com:443
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7jlUqsdtpD4d
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delay
3
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install
true
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install_file
plaslclasc.exe
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install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 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 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\plaslclasc.exe"C:\Users\Admin\AppData\Local\Temp\plaslclasc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "plaslclasc" /tr '"C:\Users\Admin\AppData\Roaming\plaslclasc.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "plaslclasc" /tr '"C:\Users\Admin\AppData\Roaming\plaslclasc.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7E24.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\plaslclasc.exe"C:\Users\Admin\AppData\Roaming\plaslclasc.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\plaslclasc.exe"C:\Users\Admin\AppData\Roaming\plaslclasc.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp7E24.tmp.bat
plaslclasc.exe
memory/3932-12-0x00000000744E0000-0x0000000074C9C000-memory.dmp
memory/3932-14-0x00000000744E0000-0x0000000074C9C000-memory.dmp
memory/6724-0-0x00000000745C2000-0x00000000745C3000-memory.dmp
memory/6724-1-0x0000000000B70000-0x0000000000B82000-memory.dmp
memory/6724-2-0x00000000745B0000-0x0000000074D6C000-memory.dmp
memory/6724-3-0x0000000005680000-0x000000000571C000-memory.dmp
memory/6724-8-0x00000000745B0000-0x0000000074D6C000-memory.dmp