Analysis
- max time kernel
6s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/07/2026, 14:29
General
- Target 0c3a4c15f748dcc924cf03d911fa0d4e6e9698acffe30ab9b8056931c6c1dbf3.exe
- Size 45KB
- Sample260717-rtjrhads6r
- SHA256 0c3a4c15f748dcc924cf03d911fa0d4e6e9698acffe30ab9b8056931c6c1dbf3
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sexsexviet.com:80
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sexsexviet.com:22
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sexsexviet.com:8080
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sexsexviet.com:8880
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sexsexviet.com:2052
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sexsexviet.com:2082
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sexsexviet.com:2086
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sexsexviet.com:2095
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sexsexviet.com:443
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sexsexviet.com:2053
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sexsexviet.com:2083
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sexsexviet.com:2087
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sexsexviet.com:2096
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sexsexviet.com:8443
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www.sexsexviet.com:80
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www.sexsexviet.com:22
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www.sexsexviet.com:8080
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www.sexsexviet.com:8880
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www.sexsexviet.com:2052
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www.sexsexviet.com:2082
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MhCXwYCWZteb
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delay
0
-
install
true
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install_file
lj4cps66.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\0c3a4c15f748dcc924cf03d911fa0d4e6e9698acffe30ab9b8056931c6c1dbf3.exe"C:\Users\Admin\AppData\Local\Temp\0c3a4c15f748dcc924cf03d911fa0d4e6e9698acffe30ab9b8056931c6c1dbf3.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 "lj4cps66" /tr '"C:\Users\Admin\AppData\Roaming\lj4cps66.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 "lj4cps66" /tr '"C:\Users\Admin\AppData\Roaming\lj4cps66.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\tmpCD7.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\lj4cps66.exe"C:\Users\Admin\AppData\Roaming\lj4cps66.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\lj4cps66.exe"C:\Users\Admin\AppData\Roaming\lj4cps66.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
tmpCD7.tmp.bat
lj4cps66.exe
memory/2104-12-0x00000000744D0000-0x0000000074C8C000-memory.dmp
memory/2104-14-0x00000000744D0000-0x0000000074C8C000-memory.dmp
memory/5676-0-0x0000000074682000-0x0000000074683000-memory.dmp
memory/5676-1-0x00000000003C0000-0x00000000003D2000-memory.dmp
memory/5676-2-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/5676-3-0x0000000004ED0000-0x0000000004F6C000-memory.dmp
memory/5676-8-0x0000000074670000-0x0000000074E2C000-memory.dmp