Analysis
- max time kernel
119s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 03:52
General
- Target $R0/Uninstall sparkle.exe
- Size 140KB
- Sample260415-ee672aes7j
- SHA256 5edc9b41eeaa5bcda096c99036da31ca288ecfd9b1b371d8c87b4efc1a464abf
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
-
C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall sparkle.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall sparkle.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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
-
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
-
-
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
-
-
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
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_4tg4b1fp.re0.ps1
StdUtils.dll
System.dll
WinShell.dll
nsExec.dll
Un_A.exe
memory/1120-96-0x0000000006CC0000-0x0000000006D0C000-memory.dmp
memory/1120-97-0x0000000070060000-0x00000000700AC000-memory.dmp
memory/1120-94-0x0000000006360000-0x00000000066B4000-memory.dmp
memory/1120-105-0x0000000007BB0000-0x0000000007C53000-memory.dmp
memory/1120-106-0x0000000070610000-0x0000000070964000-memory.dmp
memory/1120-108-0x0000000005290000-0x00000000052EF000-memory.dmp
memory/4136-75-0x0000000007D20000-0x0000000007DB6000-memory.dmp
memory/4136-78-0x0000000003010000-0x000000000306F000-memory.dmp
memory/4136-76-0x0000000007C90000-0x0000000007CA1000-memory.dmp
memory/4136-67-0x0000000070080000-0x00000000700CC000-memory.dmp
memory/4372-31-0x00000000021B0000-0x000000000220F000-memory.dmp
memory/4372-125-0x00000000021B0000-0x000000000220F000-memory.dmp
memory/4788-4-0x00000000021C0000-0x000000000221F000-memory.dmp
memory/4960-46-0x0000000007B50000-0x00000000081CA000-memory.dmp
memory/4960-29-0x00000000061C0000-0x00000000061DE000-memory.dmp
memory/4960-47-0x0000000007510000-0x000000000752A000-memory.dmp
memory/4960-48-0x0000000007580000-0x000000000758A000-memory.dmp
memory/4960-49-0x0000000007700000-0x000000000772A000-memory.dmp
memory/4960-50-0x0000000007730000-0x0000000007754000-memory.dmp
memory/4960-51-0x00000000701E0000-0x0000000070534000-memory.dmp
memory/4960-54-0x0000000002B20000-0x0000000002B7F000-memory.dmp
memory/4960-45-0x00000000073C0000-0x0000000007463000-memory.dmp
memory/4960-30-0x0000000006200000-0x000000000624C000-memory.dmp
memory/4960-42-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4960-32-0x000000007FA10000-0x000000007FA20000-memory.dmp
memory/4960-43-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4960-44-0x00000000067E0000-0x00000000067FE000-memory.dmp
memory/4960-28-0x0000000005D10000-0x0000000006064000-memory.dmp
memory/4960-19-0x0000000005AC0000-0x0000000005B26000-memory.dmp
memory/4960-20-0x0000000005BA0000-0x0000000005C06000-memory.dmp
memory/4960-18-0x0000000005230000-0x0000000005252000-memory.dmp
memory/4960-17-0x0000000005420000-0x0000000005A48000-memory.dmp
memory/4960-16-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4960-15-0x0000000002C10000-0x0000000002C46000-memory.dmp
memory/4960-14-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4960-34-0x0000000070080000-0x00000000700CC000-memory.dmp
memory/4960-33-0x00000000067A0000-0x00000000067D2000-memory.dmp