Analysis
- max time kernel
149s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
30/07/2026, 22:31
General
- Target $R0/Uninstall FNLB.exe
- Size 133KB
- Sample260730-2fvxqagf63
- SHA256 02d0422d9daf5cc7a9efc06c5b4ada553b861e2daadb34f64a884ca4db8182db
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
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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⤵
- Checks computer location settings
- 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
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_52d1klvy.odo.ps1
StdUtils.dll
System.dll
WinShell.dll
nsExec.dll
Un_A.exe
memory/1764-94-0x000000006FFF0000-0x000000007003C000-memory.dmp
memory/1764-91-0x0000000006180000-0x00000000064D4000-memory.dmp
memory/1764-93-0x0000000006860000-0x00000000068AC000-memory.dmp
memory/1764-102-0x0000000007930000-0x00000000079D3000-memory.dmp
memory/1764-103-0x0000000070150000-0x00000000704A4000-memory.dmp
memory/3096-43-0x0000000007A10000-0x0000000007AB3000-memory.dmp
memory/3096-29-0x0000000006800000-0x000000000684C000-memory.dmp
memory/3096-32-0x0000000070010000-0x000000007005C000-memory.dmp
memory/3096-42-0x0000000006D90000-0x0000000006DAE000-memory.dmp
memory/3096-41-0x00000000032E0000-0x00000000032F0000-memory.dmp
memory/3096-40-0x00000000032E0000-0x00000000032F0000-memory.dmp
memory/3096-30-0x000000007FB30000-0x000000007FB40000-memory.dmp
memory/3096-44-0x0000000008150000-0x00000000087CA000-memory.dmp
memory/3096-45-0x0000000007B00000-0x0000000007B1A000-memory.dmp
memory/3096-46-0x0000000007B70000-0x0000000007B7A000-memory.dmp
memory/3096-47-0x0000000007CF0000-0x0000000007D1A000-memory.dmp
memory/3096-48-0x0000000007D20000-0x0000000007D44000-memory.dmp
memory/3096-49-0x00000000701A0000-0x00000000704F4000-memory.dmp
memory/3096-31-0x0000000006DD0000-0x0000000006E02000-memory.dmp
memory/3096-13-0x00000000032E0000-0x00000000032F0000-memory.dmp
memory/3096-28-0x00000000067C0000-0x00000000067DE000-memory.dmp
memory/3096-14-0x0000000003200000-0x0000000003236000-memory.dmp
memory/3096-15-0x00000000032E0000-0x00000000032F0000-memory.dmp
memory/3096-16-0x0000000005A20000-0x0000000006048000-memory.dmp
memory/3096-27-0x0000000006230000-0x0000000006584000-memory.dmp
memory/3096-19-0x00000000060C0000-0x0000000006126000-memory.dmp
memory/3096-18-0x00000000058C0000-0x0000000005926000-memory.dmp
memory/3096-17-0x0000000005820000-0x0000000005842000-memory.dmp
memory/4172-74-0x0000000007240000-0x0000000007251000-memory.dmp
memory/4172-73-0x0000000007310000-0x00000000073A6000-memory.dmp
memory/4172-65-0x0000000070010000-0x000000007005C000-memory.dmp
memory/4172-56-0x0000000005680000-0x00000000059D4000-memory.dmp