Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/08/2026, 15:17
General
- Target Factura y lista de embalaje.js
- Size 489KB
- Sample260831-spdkcsxvey
- SHA256 fe148538fba22444ce8076cf7454ae8cae26265d711205e98dab9030037e9cab
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
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Host
ftp://ftp.brightlearning.com.my
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Port
21
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Username
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Password
MQ*H0OeM0ASl
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Temporarily bypasses Powershell execution policy 1 TTPs 1 IoCs
Using Set-ExecutionPolicy to permit execution of unsigned or restricted scripts in that process.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Executes a command shell one-liner 1 TTPs 1 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 10 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.
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Factura y lista de embalaje.js"1⤵
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C:\Windows\system32\wscript.exewscript.exe1⤵
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\3rwa36eh\svc_86956_dad4.cmd1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -w h -nop -c "Set-ExecutionPolicy Bypass -Scope Process -Force; & 'C:\Users\Admin\AppData\Local\Temp\3rwa36eh\log_41993_dac4.ps1'"2⤵
- Temporarily bypasses Powershell execution policy
- 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
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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\etxxlrqd\etxxlrqd.cmdline"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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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\RES56D5.tmp" "c:\Users\Admin\AppData\Local\Temp\etxxlrqd\CSCA8468FF2EC7A4433918DA2AB37D5341F.TMP"4⤵
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-
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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\kri5b3nh\kri5b3nh.cmdline"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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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\RES57A1.tmp" "c:\Users\Admin\AppData\Local\Temp\kri5b3nh\CSC87FDF2685D98455A845387B72D864599.TMP"4⤵
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-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
clr_55671_dac4
log_41993_dac4.ps1
run_88216_dac4
svc_86956_dad4.cmd
RES56D5.tmp
RES57A1.tmp
__PSScriptPolicyTest_a1zuf4qa.yyg.ps1
etxxlrqd.dll
kri5b3nh.dll
CSCA8468FF2EC7A4433918DA2AB37D5341F.TMP
etxxlrqd.0.cs
etxxlrqd.cmdline
CSC87FDF2685D98455A845387B72D864599.TMP
kri5b3nh.0.cs
kri5b3nh.cmdline
memory/1092-23-0x0000000006650000-0x000000000669C000-memory.dmp
memory/1092-13-0x0000000005A80000-0x0000000005AE6000-memory.dmp
memory/1092-26-0x0000000070EC0000-0x0000000070F0C000-memory.dmp
memory/1092-37-0x0000000007290000-0x0000000007333000-memory.dmp
memory/1092-38-0x00000000079E0000-0x000000000805A000-memory.dmp
memory/1092-39-0x00000000073A0000-0x00000000073BA000-memory.dmp
memory/1092-40-0x0000000007400000-0x000000000740A000-memory.dmp
memory/1092-41-0x0000000007630000-0x00000000076C6000-memory.dmp
memory/1092-42-0x00000000075A0000-0x00000000075B1000-memory.dmp
memory/1092-35-0x00000000027F0000-0x0000000002800000-memory.dmp
memory/1092-36-0x00000000065F0000-0x000000000660E000-memory.dmp
memory/1092-25-0x0000000007250000-0x0000000007282000-memory.dmp
memory/1092-24-0x000000007F360000-0x000000007F370000-memory.dmp
memory/1092-22-0x0000000006050000-0x000000000606E000-memory.dmp
memory/1092-21-0x0000000005AF0000-0x0000000005E44000-memory.dmp
memory/1092-34-0x00000000027F0000-0x0000000002800000-memory.dmp
memory/1092-58-0x0000000007600000-0x0000000007608000-memory.dmp
memory/1092-12-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/1092-11-0x00000000058D0000-0x00000000058F2000-memory.dmp
memory/1092-10-0x0000000005270000-0x0000000005898000-memory.dmp
memory/1092-9-0x00000000027F0000-0x0000000002800000-memory.dmp
memory/1092-8-0x0000000002780000-0x00000000027B6000-memory.dmp
memory/1092-71-0x0000000007610000-0x0000000007618000-memory.dmp
memory/1092-7-0x00000000027F0000-0x0000000002800000-memory.dmp
memory/1092-72-0x00000000076D0000-0x00000000076EA000-memory.dmp
memory/1092-73-0x0000000004DE0000-0x0000000004DE8000-memory.dmp
memory/1092-76-0x00000000077A0000-0x00000000077C2000-memory.dmp
memory/4104-75-0x0000000005F10000-0x00000000064B4000-memory.dmp
memory/4104-74-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4104-79-0x00000000068E0000-0x0000000006930000-memory.dmp
memory/4104-80-0x00000000069D0000-0x0000000006A62000-memory.dmp
memory/4104-81-0x0000000006960000-0x000000000696A000-memory.dmp