Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/08/2026, 07:58
General
- Target Đơn đặt hàng mới Inv.534.js
- Size 263KB
- Sample260820-jt2cjssdpf
- SHA256 8033b0d221ed734e6e14eeb4f9b11f3379f7a32fb44a8e5c77c05cac7a00d604
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
64.89.160.127:6680
-
hJF0mOkFuWCU
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Đơn đặt hàng mới Inv.534.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\khwybaeu\dat_45910_e544.ps1"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\sabsieqn\sabsieqn.cmdline"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB5BE.tmp" "c:\Users\Admin\AppData\Local\Temp\sabsieqn\CSC62184472D95D41DC98BB77A871E82EA7.TMP"4⤵
-
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
RESB5BE.tmp
__PSScriptPolicyTest_qa5henb3.coc.ps1
dat_45910_e544.ps1
sabsieqn.dll
CSC62184472D95D41DC98BB77A871E82EA7.TMP
sabsieqn.0.cs
sabsieqn.cmdline
memory/456-9-0x0000000005F30000-0x0000000005F96000-memory.dmp
memory/456-7-0x00000000056A0000-0x00000000056C2000-memory.dmp
memory/456-18-0x0000000006560000-0x000000000657E000-memory.dmp
memory/456-19-0x00000000065B0000-0x00000000065FC000-memory.dmp
memory/456-3-0x00000000050F0000-0x0000000005100000-memory.dmp
memory/456-21-0x0000000007D50000-0x00000000083CA000-memory.dmp
memory/456-22-0x0000000006B30000-0x0000000006B4A000-memory.dmp
memory/456-23-0x0000000007570000-0x0000000007586000-memory.dmp
memory/456-8-0x0000000005DD0000-0x0000000005E36000-memory.dmp
memory/456-17-0x0000000005FA0000-0x00000000062F4000-memory.dmp
memory/456-6-0x0000000005730000-0x0000000005D58000-memory.dmp
memory/456-5-0x00000000050F0000-0x0000000005100000-memory.dmp
memory/456-4-0x0000000004FA0000-0x0000000004FD6000-memory.dmp
memory/456-36-0x0000000007580000-0x0000000007588000-memory.dmp
memory/456-37-0x00000000075A0000-0x00000000075A8000-memory.dmp
memory/456-41-0x0000000008980000-0x0000000008F24000-memory.dmp
memory/456-39-0x00000000078D0000-0x0000000007966000-memory.dmp
memory/456-40-0x0000000007620000-0x0000000007642000-memory.dmp
memory/4720-38-0x0000000000400000-0x0000000000412000-memory.dmp