Analysis
- max time kernel
149s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
24/10/2026, 02:44
General
- Target $R0/Uninstall Kavro.exe
- Size 327KB
- Sample261024-c8mdls11fs
- SHA256 51c4d12703878d29fdf47e5724d5b51ef37f7c190841f727d582f2d6253a6dae
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 13 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 Kavro.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Kavro.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\Programs\Kavro', '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_h0odavd4.qfj.ps1
StdUtils.dll
System.dll
UAC.dll
WinShell.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
Un_A.exe
memory/1808-59-0x0000000002A40000-0x0000000002A50000-memory.dmp
memory/1808-66-0x00000000073A0000-0x00000000073C4000-memory.dmp
memory/1808-46-0x0000000005840000-0x0000000005B94000-memory.dmp
memory/1808-47-0x0000000005E30000-0x0000000005E4E000-memory.dmp
memory/1808-48-0x0000000005E70000-0x0000000005EBC000-memory.dmp
memory/1808-49-0x000000007F8D0000-0x000000007F8E0000-memory.dmp
memory/1808-51-0x0000000070210000-0x000000007025C000-memory.dmp
memory/1808-50-0x0000000006FF0000-0x0000000007022000-memory.dmp
memory/1808-37-0x0000000005020000-0x0000000005086000-memory.dmp
memory/1808-60-0x0000000006410000-0x000000000642E000-memory.dmp
memory/1808-61-0x0000000007030000-0x00000000070D3000-memory.dmp
memory/1808-62-0x00000000077D0000-0x0000000007E4A000-memory.dmp
memory/1808-63-0x0000000007180000-0x000000000719A000-memory.dmp
memory/1808-64-0x00000000071F0000-0x00000000071FA000-memory.dmp
memory/1808-65-0x0000000007370000-0x000000000739A000-memory.dmp
memory/1808-38-0x00000000057D0000-0x0000000005836000-memory.dmp
memory/1808-67-0x0000000070380000-0x00000000706D4000-memory.dmp
memory/1808-36-0x0000000004E80000-0x0000000004EA2000-memory.dmp
memory/1808-32-0x0000000002A40000-0x0000000002A50000-memory.dmp
memory/1808-35-0x00000000050A0000-0x00000000056C8000-memory.dmp
memory/1808-33-0x0000000002850000-0x0000000002886000-memory.dmp
memory/1808-34-0x0000000002A40000-0x0000000002A50000-memory.dmp
memory/2312-104-0x0000000005A20000-0x0000000005D74000-memory.dmp
memory/2312-106-0x0000000070210000-0x000000007025C000-memory.dmp
memory/2312-114-0x0000000070390000-0x00000000706E4000-memory.dmp
memory/4748-92-0x0000000007940000-0x0000000007951000-memory.dmp
memory/4748-91-0x0000000007A10000-0x0000000007AA6000-memory.dmp
memory/4748-83-0x0000000070210000-0x000000007025C000-memory.dmp
memory/4748-81-0x0000000005D50000-0x00000000060A4000-memory.dmp