Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
30/07/2026, 22:31
General
- Target $R0/Uninstall FNLB.exe
- Size 133KB
- Sample260730-2fvxqagf63
- SHA256 02d0422d9daf5cc7a9efc06c5b4ada553b861e2daadb34f64a884ca4db8182db
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 8 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
- Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs
Command interpreters often include specific commands/flags that ignore errors and other hangups.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall FNLB.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall FNLB.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if (Get-Command Get-CimInstance -ErrorAction SilentlyContinue) { exit 0 } else { exit 1 }"3⤵
- Hide Artifacts: Ignore Process Interrupts
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if ((Get-ExecutionPolicy -Scope Process) -eq 'Restricted') { exit 1 } else { exit 0 }"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Temp\$R0', 'CurrentCultureIgnoreCase')}).Count -gt 0) { exit 0 } else { exit 1 }"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_fi5o305c.mhr.ps1
StdUtils.dll
System.dll
WinShell.dll
nsExec.dll
Un_A.exe
memory/916-49-0x0000000007EE0000-0x0000000007EF1000-memory.dmp
memory/916-48-0x0000000007F80000-0x0000000008016000-memory.dmp
memory/916-45-0x000000006FB20000-0x000000006FB6C000-memory.dmp
memory/4108-59-0x0000000005E30000-0x000000000618B000-memory.dmp
memory/4108-63-0x00000000063C0000-0x000000000640C000-memory.dmp
memory/4108-64-0x000000006FB00000-0x000000006FB4C000-memory.dmp
memory/4108-67-0x0000000007630000-0x00000000076D3000-memory.dmp
memory/4108-68-0x000000006FD30000-0x000000007008B000-memory.dmp
memory/4932-15-0x00000000055E0000-0x0000000005646000-memory.dmp
memory/4932-22-0x00000000061A0000-0x00000000061D6000-memory.dmp
memory/4932-28-0x0000000006E70000-0x0000000006F13000-memory.dmp
memory/4932-29-0x0000000073180000-0x000000007393C000-memory.dmp
memory/4932-32-0x0000000006F20000-0x0000000006F3A000-memory.dmp
memory/4932-31-0x00000000075A0000-0x0000000007C1C000-memory.dmp
memory/4932-30-0x0000000073180000-0x000000007393C000-memory.dmp
memory/4932-33-0x0000000006F90000-0x0000000006F9A000-memory.dmp
memory/4932-34-0x0000000007160000-0x000000000718A000-memory.dmp
memory/4932-35-0x0000000007190000-0x00000000071B4000-memory.dmp
memory/4932-36-0x000000006FCA0000-0x000000006FFFB000-memory.dmp
memory/4932-38-0x0000000073180000-0x000000007393C000-memory.dmp
memory/4932-26-0x0000000006BB0000-0x0000000006BD0000-memory.dmp
memory/4932-27-0x0000000073180000-0x000000007393C000-memory.dmp
memory/4932-23-0x000000006FB20000-0x000000006FB6C000-memory.dmp
memory/4932-21-0x0000000005C60000-0x0000000005CAC000-memory.dmp
memory/4932-20-0x0000000005BB0000-0x0000000005BCE000-memory.dmp
memory/4932-19-0x00000000056C0000-0x0000000005A1B000-memory.dmp
memory/4932-16-0x0000000005650000-0x00000000056B6000-memory.dmp
memory/4932-14-0x0000000005440000-0x0000000005462000-memory.dmp
memory/4932-13-0x0000000073180000-0x000000007393C000-memory.dmp
memory/4932-12-0x0000000004DC0000-0x000000000540A000-memory.dmp
memory/4932-11-0x0000000073180000-0x000000007393C000-memory.dmp
memory/4932-10-0x00000000026A0000-0x00000000026D6000-memory.dmp
memory/4932-9-0x0000000073192000-0x0000000073193000-memory.dmp