Analysis
- max time kernel
6s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
14/07/2026, 17:14
General
- Target ec8de225213d630520f55578484957c314f7d65fa3d40c9d921784bd723cbb6b.exe
- Size 45KB
- Sample260714-vsb7tab18s
- SHA256 ec8de225213d630520f55578484957c314f7d65fa3d40c9d921784bd723cbb6b
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sexphimhayw.pro:80
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sexphimhayw.pro:22
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sexphimhayw.pro:8080
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sexphimhayw.pro:8880
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sexphimhayw.pro:2052
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sexphimhayw.pro:2082
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sexphimhayw.pro:2086
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sexphimhayw.pro:2095
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sexphimhayw.pro:443
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sexphimhayw.pro:2053
-
sexphimhayw.pro:2083
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sexphimhayw.pro:2087
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sexphimhayw.pro:2096
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sexphimhayw.pro:8443
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www.sexphimhayw.pro:80
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www.sexphimhayw.pro:22
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www.sexphimhayw.pro:8080
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www.sexphimhayw.pro:8880
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www.sexphimhayw.pro:2052
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www.sexphimhayw.pro:2082
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CqJ4g6h3RNce
-
delay
0
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install
true
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install_file
y2cho6.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\ec8de225213d630520f55578484957c314f7d65fa3d40c9d921784bd723cbb6b.exe"C:\Users\Admin\AppData\Local\Temp\ec8de225213d630520f55578484957c314f7d65fa3d40c9d921784bd723cbb6b.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 "y2cho6" /tr '"C:\Users\Admin\AppData\Roaming\y2cho6.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 "y2cho6" /tr '"C:\Users\Admin\AppData\Roaming\y2cho6.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\tmpEA27.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\y2cho6.exe"C:\Users\Admin\AppData\Roaming\y2cho6.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\y2cho6.exe"C:\Users\Admin\AppData\Roaming\y2cho6.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
tmpEA27.tmp.bat
y2cho6.exe
memory/1304-0-0x0000000074E22000-0x0000000074E23000-memory.dmp
memory/1304-1-0x0000000000F30000-0x0000000000F42000-memory.dmp
memory/1304-2-0x0000000074E10000-0x00000000755CC000-memory.dmp
memory/1304-3-0x0000000005AB0000-0x0000000005B4C000-memory.dmp
memory/1304-8-0x0000000074E10000-0x00000000755CC000-memory.dmp
memory/4532-12-0x0000000074CA0000-0x000000007545C000-memory.dmp
memory/4532-14-0x0000000074CA0000-0x000000007545C000-memory.dmp