Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
02/08/2026, 01:09
General
- Target a84daa15e33ee52110c3d66abd5e17d74762b48cbb8290780d0c4ea0c98b28c2.exe
- Size 10.2MB
- Sample260802-bh58csbk2v
- SHA256 a84daa15e33ee52110c3d66abd5e17d74762b48cbb8290780d0c4ea0c98b28c2
Malware Config
Signatures
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- UPX packed file 25 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Executes a command shell one-liner 1 TTPs 2 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a84daa15e33ee52110c3d66abd5e17d74762b48cbb8290780d0c4ea0c98b28c2.exe"C:\Users\Admin\AppData\Local\Temp\a84daa15e33ee52110c3d66abd5e17d74762b48cbb8290780d0c4ea0c98b28c2.exe"1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c netstat -an2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NETSTAT.EXEnetstat -an3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe/c netstat -an2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NETSTAT.EXEnetstat -an3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
c_login_2[1].js
memory/4092-52-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-2-0x0000000003760000-0x0000000003761000-memory.dmp
memory/4092-1-0x0000000003740000-0x0000000003741000-memory.dmp
memory/4092-6-0x00000000037D0000-0x00000000037D1000-memory.dmp
memory/4092-7-0x00000000037E0000-0x00000000037E1000-memory.dmp
memory/4092-5-0x00000000037C0000-0x00000000037C1000-memory.dmp
memory/4092-3-0x0000000003790000-0x0000000003791000-memory.dmp
memory/4092-10-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-17-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-19-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-21-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-22-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-30-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-38-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-46-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-64-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-62-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-60-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-58-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-56-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-50-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-54-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-0-0x000000000079F000-0x0000000000E47000-memory.dmp
memory/4092-48-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-44-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-42-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-40-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-36-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-34-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-32-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-28-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-26-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-24-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-23-0x0000000010000000-0x000000001003E000-memory.dmp
memory/4092-66-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-67-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-68-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-69-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-70-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-71-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-72-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-73-0x0000000000400000-0x0000000001881000-memory.dmp
memory/4092-74-0x000000000079F000-0x0000000000E47000-memory.dmp
memory/4092-4-0x00000000037B0000-0x00000000037B1000-memory.dmp