Analysis
- max time kernel
150s - max time network
157s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
03/08/2026, 20:21
General
- Target d809b54ef2380ce2a72f5c37bfa980bc88034b231a8fb4a60d46180c6e1a905b.exe
- Size 45KB
- Sample260803-y495rsfb69
- SHA256 d809b54ef2380ce2a72f5c37bfa980bc88034b231a8fb4a60d46180c6e1a905b
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sextinvl.blog:80
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sextinvl.blog:22
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sextinvl.blog:8080
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sextinvl.blog:8880
-
sextinvl.blog:2052
-
sextinvl.blog:2082
-
sextinvl.blog:2086
-
sextinvl.blog:2095
-
sextinvl.blog:443
-
sextinvl.blog:2053
-
sextinvl.blog:2083
-
sextinvl.blog:2087
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sextinvl.blog:2096
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sextinvl.blog:8443
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www.sextinvl.blog:80
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www.sextinvl.blog:22
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www.sextinvl.blog:8080
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www.sextinvl.blog:8880
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www.sextinvl.blog:2052
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www.sextinvl.blog:2082
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ylrDlE7yAjtG
-
delay
0
-
install
true
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install_file
8sgeq9m4.exe
-
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
- Outbound SSH connection to public host 2 TTPs 2 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d809b54ef2380ce2a72f5c37bfa980bc88034b231a8fb4a60d46180c6e1a905b.exe"C:\Users\Admin\AppData\Local\Temp\d809b54ef2380ce2a72f5c37bfa980bc88034b231a8fb4a60d46180c6e1a905b.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 "8sgeq9m4" /tr '"C:\Users\Admin\AppData\Roaming\8sgeq9m4.exe"' & exit2⤵
- Executes a command shell one-liner
- 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 "8sgeq9m4" /tr '"C:\Users\Admin\AppData\Roaming\8sgeq9m4.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp55F6.tmp.bat""2⤵
- Executes a command shell one-liner
- 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\8sgeq9m4.exe"C:\Users\Admin\AppData\Roaming\8sgeq9m4.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\8sgeq9m4.exe"C:\Users\Admin\AppData\Roaming\8sgeq9m4.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp55F6.tmp.bat
8sgeq9m4.exe
memory/3932-12-0x0000000074710000-0x0000000074ECC000-memory.dmp
memory/3932-14-0x0000000074710000-0x0000000074ECC000-memory.dmp
memory/4364-0-0x0000000074722000-0x0000000074723000-memory.dmp
memory/4364-1-0x0000000000730000-0x0000000000742000-memory.dmp
memory/4364-2-0x0000000074710000-0x0000000074ECC000-memory.dmp
memory/4364-3-0x0000000005100000-0x000000000519C000-memory.dmp
memory/4364-9-0x0000000074710000-0x0000000074ECC000-memory.dmp