Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/07/2026, 14:29
General
- Target b02cede52e5a06655b7ed2ba0fe8934084caf4cc696724734d3c389a9c6a706e.exe
- Size 45KB
- Sample260711-rtnqfset4x
- SHA256 b02cede52e5a06655b7ed2ba0fe8934084caf4cc696724734d3c389a9c6a706e
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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schijndelse.nl:80
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schijndelse.nl:22
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schijndelse.nl:8080
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schijndelse.nl:8880
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schijndelse.nl:2052
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schijndelse.nl:2082
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schijndelse.nl:2086
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schijndelse.nl:2095
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schijndelse.nl:443
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schijndelse.nl:2053
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schijndelse.nl:2083
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schijndelse.nl:2087
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schijndelse.nl:2096
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schijndelse.nl:8443
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www.schijndelse.nl:80
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www.schijndelse.nl:22
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www.schijndelse.nl:8080
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www.schijndelse.nl:8880
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www.schijndelse.nl:2052
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www.schijndelse.nl:2082
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4xg8ygwQMc1Q
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delay
0
-
install
true
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install_file
3qbf8khc.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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b02cede52e5a06655b7ed2ba0fe8934084caf4cc696724734d3c389a9c6a706e.exe"C:\Users\Admin\AppData\Local\Temp\b02cede52e5a06655b7ed2ba0fe8934084caf4cc696724734d3c389a9c6a706e.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 "3qbf8khc" /tr '"C:\Users\Admin\AppData\Roaming\3qbf8khc.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 "3qbf8khc" /tr '"C:\Users\Admin\AppData\Roaming\3qbf8khc.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\tmp3A50.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\3qbf8khc.exe"C:\Users\Admin\AppData\Roaming\3qbf8khc.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\3qbf8khc.exe"C:\Users\Admin\AppData\Roaming\3qbf8khc.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
tmp3A50.tmp.bat
3qbf8khc.exe
memory/5660-0-0x00000000750E2000-0x00000000750E3000-memory.dmp
memory/5660-1-0x00000000000C0000-0x00000000000D2000-memory.dmp
memory/5660-2-0x00000000750D0000-0x000000007588C000-memory.dmp
memory/5660-3-0x0000000004C10000-0x0000000004CAC000-memory.dmp
memory/5660-8-0x00000000750D0000-0x000000007588C000-memory.dmp
memory/6000-12-0x0000000074F60000-0x000000007571C000-memory.dmp
memory/6000-14-0x0000000074F60000-0x000000007571C000-memory.dmp