Analysis
- max time kernel
299s - max time network
301s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/09/2026, 00:54
General
- Target PO#23451.js
- Size 1KB
- Sample260924-a9ap4aac33
- SHA256 239f149d0a813f02a725bb41e3570eeb1e04552155003be166dbec2948a93018
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 1 IoCs
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- 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.
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO#23451.js1⤵
- Badlisted process makes network request
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C:\Windows\system32\cmd.execmd /c type "C:\Users\Admin\AppData\Local\Temp\rad7E3D1.log" | powershell -w h -nop -1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\rad7E3D1.log" "2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -w h -nop -2⤵
- Badlisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\2f4d5ktz\2f4d5ktz.cmdline"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESCCBC.tmp" "c:\Users\Admin\AppData\Local\Temp\2f4d5ktz\CSC2A2418F52C44BDF9F39F47D63F22472.TMP"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
2f4d5ktz.dll
RESCCBC.tmp
rad7E3D1.log
2f4d5ktz.0.cs
2f4d5ktz.cmdline
CSC2A2418F52C44BDF9F39F47D63F22472.TMP
memory/2308-11-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-2-0x00007FF9B24FF000-0x00007FF9B2500000-memory.dmp
memory/2308-9-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-12-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-13-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-14-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-19-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-8-0x00000296D9400000-0x00000296D9448000-memory.dmp
memory/2308-7-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-21-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-6-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-29-0x00000296D93D0000-0x00000296D93D8000-memory.dmp
memory/2308-5-0x00000296D8FF0000-0x00000296D9012000-memory.dmp
memory/2308-10-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-30-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-31-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-32-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-33-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/2308-36-0x00007FF9B2370000-0x00007FF9B2D14000-memory.dmp
memory/4860-34-0x000002255C7E0000-0x000002255C870000-memory.dmp
memory/4860-37-0x000002255E510000-0x000002255E59C000-memory.dmp
memory/4860-39-0x0000022576F30000-0x0000022576F80000-memory.dmp
memory/4860-38-0x0000022577100000-0x00000225772C2000-memory.dmp
memory/4860-40-0x0000022577000000-0x0000022577076000-memory.dmp
memory/4860-41-0x0000022577800000-0x0000022577D28000-memory.dmp
memory/4860-42-0x0000022576EF0000-0x0000022576F0E000-memory.dmp