Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/05/2026, 16:19
General
- Target af9c18a4dea00353ef1efa814f063ff9964c3fbf6a2f32ab55ec58c2ca007a2c.exe
- Size 45KB
- Sample260531-tsk92scv5y
- SHA256 af9c18a4dea00353ef1efa814f063ff9964c3fbf6a2f32ab55ec58c2ca007a2c
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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gaitrinh.net:443
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gaitrinh.net:80
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gaitrinh.net:7797
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gaitrinh.net:8707
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gaitrinh.net:6620
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www.gaitrinh.net:443
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www.gaitrinh.net:80
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www.gaitrinh.net:7797
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www.gaitrinh.net:8707
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www.gaitrinh.net:6620
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blacklotus.gaitrinh.net:443
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blacklotus.gaitrinh.net:80
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blacklotus.gaitrinh.net:7797
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blacklotus.gaitrinh.net:8707
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blacklotus.gaitrinh.net:6620
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cl0p.gaitrinh.net:443
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cl0p.gaitrinh.net:80
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cl0p.gaitrinh.net:7797
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cl0p.gaitrinh.net:8707
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cl0p.gaitrinh.net:6620
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OwoFwLBsWBAk
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delay
0
-
install
true
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install_file
2axte.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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 23 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\af9c18a4dea00353ef1efa814f063ff9964c3fbf6a2f32ab55ec58c2ca007a2c.exe"C:\Users\Admin\AppData\Local\Temp\af9c18a4dea00353ef1efa814f063ff9964c3fbf6a2f32ab55ec58c2ca007a2c.exe"1⤵
- Checks computer location settings
- 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 "2axte" /tr '"C:\Users\Admin\AppData\Roaming\2axte.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 "2axte" /tr '"C:\Users\Admin\AppData\Roaming\2axte.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\tmpB6F7.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\2axte.exe"C:\Users\Admin\AppData\Roaming\2axte.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\2axte.exe"C:\Users\Admin\AppData\Roaming\2axte.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
tmpB6F7.tmp.bat
2axte.exe
memory/3136-10-0x00000000055A0000-0x00000000055B0000-memory.dmp
memory/3136-13-0x00000000055A0000-0x00000000055B0000-memory.dmp
memory/4132-0-0x0000000000A40000-0x0000000000A52000-memory.dmp
memory/4132-1-0x0000000005470000-0x0000000005480000-memory.dmp
memory/4132-2-0x0000000005480000-0x000000000551C000-memory.dmp