Analysis
- max time kernel
149s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 02:44
General
- Target $R0/Uninstall Kavro.exe
- Size 327KB
- Sample261024-c8mdls11fs
- SHA256 51c4d12703878d29fdf47e5724d5b51ef37f7c190841f727d582f2d6253a6dae
Malware Config
Signatures
- 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
-
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⤵
- 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
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_tn2sa3nc.ilq.psm1
StdUtils.dll
System.dll
UAC.dll
WinShell.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
Un_A.exe
memory/2548-67-0x0000000007F70000-0x0000000008006000-memory.dmp
memory/2548-64-0x00000000705E0000-0x000000007062C000-memory.dmp
memory/2548-68-0x0000000007EE0000-0x0000000007EF1000-memory.dmp
memory/4156-45-0x0000000006DA0000-0x0000000006DC0000-memory.dmp
memory/4156-51-0x0000000007B60000-0x0000000007B7A000-memory.dmp
memory/4156-39-0x0000000006790000-0x00000000067AE000-memory.dmp
memory/4156-40-0x00000000067B0000-0x00000000067FC000-memory.dmp
memory/4156-42-0x00000000705E0000-0x000000007062C000-memory.dmp
memory/4156-34-0x0000000005B20000-0x0000000005B86000-memory.dmp
memory/4156-35-0x0000000005B90000-0x0000000005BF6000-memory.dmp
memory/4156-41-0x0000000007770000-0x00000000077A6000-memory.dmp
memory/4156-46-0x0000000073C20000-0x00000000743DC000-memory.dmp
memory/4156-47-0x0000000007A70000-0x0000000007B13000-memory.dmp
memory/4156-48-0x0000000073C20000-0x00000000743DC000-memory.dmp
memory/4156-49-0x0000000073C20000-0x00000000743DC000-memory.dmp
memory/4156-50-0x00000000081A0000-0x000000000881C000-memory.dmp
memory/4156-38-0x00000000062C0000-0x000000000661B000-memory.dmp
memory/4156-52-0x0000000007BD0000-0x0000000007BDA000-memory.dmp
memory/4156-54-0x0000000007DA0000-0x0000000007DC4000-memory.dmp
memory/4156-53-0x0000000007D70000-0x0000000007D9A000-memory.dmp
memory/4156-55-0x00000000707F0000-0x0000000070B4B000-memory.dmp
memory/4156-57-0x0000000073C20000-0x00000000743DC000-memory.dmp
memory/4156-33-0x00000000059C0000-0x00000000059E2000-memory.dmp
memory/4156-32-0x0000000073C20000-0x00000000743DC000-memory.dmp
memory/4156-31-0x0000000005C70000-0x00000000062BA000-memory.dmp
memory/4156-30-0x0000000073C20000-0x00000000743DC000-memory.dmp
memory/4156-28-0x0000000073C32000-0x0000000073C33000-memory.dmp
memory/4156-29-0x0000000002F10000-0x0000000002F46000-memory.dmp
memory/4372-77-0x00000000705E0000-0x000000007062C000-memory.dmp
memory/4372-80-0x0000000070740000-0x0000000070A9B000-memory.dmp
memory/4372-75-0x00000000058A0000-0x0000000005BFB000-memory.dmp