Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
23/10/2026, 12:09
General
- Target startonlinejs.js
- Size 84KB
- Sample261023-pbx53axybv
- SHA256 b48b2ea769e8c20756804cb3ddff8db12e232c1cda07356b2af27b9d3bfc7dc0
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.darlenemarino.cyou
-
Port
21
-
Username
-
Password
AA22551100bb@@##
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 34 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 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\startonlinejs.js1⤵
- Badlisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -ep bypass -file "C:\Temp\ICTNRDVRHH.ps1"2⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- 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
ICTNRDVRHH.ps1
__PSScriptPolicyTest_fsqauwcz.zz2.ps1
memory/1376-16-0x0000000005B10000-0x00000000060B4000-memory.dmp
memory/1376-20-0x00000000069C0000-0x00000000069CA000-memory.dmp
memory/1376-19-0x0000000006880000-0x00000000068D0000-memory.dmp
memory/1376-18-0x00000000067E0000-0x0000000006872000-memory.dmp
memory/1376-17-0x0000000005660000-0x00000000056C6000-memory.dmp
memory/1376-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2356-3-0x00000264E2DC0000-0x00000264E2DD0000-memory.dmp
memory/2356-14-0x00000264E2F00000-0x00000264E2F16000-memory.dmp
memory/2356-13-0x00000264E2DC0000-0x00000264E2DD0000-memory.dmp
memory/2356-2-0x00000264E2DC0000-0x00000264E2DD0000-memory.dmp
memory/2356-11-0x00000264E2ED0000-0x00000264E2EF2000-memory.dmp
memory/2356-21-0x00000264E2DC0000-0x00000264E2DD0000-memory.dmp
memory/2356-22-0x00000264E2DC0000-0x00000264E2DD0000-memory.dmp
memory/2356-23-0x00000264E2DC0000-0x00000264E2DD0000-memory.dmp