Analysis
- max time kernel
149s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
02/11/2026, 10:38
General
- Target $R0/Uninstall MALVO Chat.exe
- Size 220KB
- Sample261102-mpk2jsvt8n
- SHA256 6de39dec672ca3687187839984f39468af460cceb48b2baf9e0f279f6d061a15
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 14 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 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Kills process with taskkill 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 25 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall MALVO Chat.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall MALVO Chat.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\taskkill.exetaskkill /F /T /IM "MALVO Chat.exe"3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -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" -NoProfile -NonInteractive -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" -NoProfile -NonInteractive -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Programs\MALVO Chat', '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_2yixcebt.nzg.ps1
StdUtils.dll
System.dll
UAC.dll
WinShell.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
Un_A.exe
memory/212-52-0x0000000006D60000-0x0000000006D92000-memory.dmp
memory/212-66-0x0000000007CC0000-0x0000000007CEA000-memory.dmp
memory/212-40-0x00000000060F0000-0x0000000006156000-memory.dmp
memory/212-49-0x00000000061D0000-0x0000000006524000-memory.dmp
memory/212-50-0x0000000006790000-0x00000000067AE000-memory.dmp
memory/212-51-0x00000000067C0000-0x000000000680C000-memory.dmp
memory/212-39-0x00000000057F0000-0x0000000005812000-memory.dmp
memory/212-61-0x0000000006D40000-0x0000000006D5E000-memory.dmp
memory/212-53-0x000000006F900000-0x000000006F94C000-memory.dmp
memory/212-62-0x0000000007960000-0x0000000007A03000-memory.dmp
memory/212-63-0x0000000008110000-0x000000000878A000-memory.dmp
memory/212-64-0x0000000007AD0000-0x0000000007AEA000-memory.dmp
memory/212-65-0x0000000007B40000-0x0000000007B4A000-memory.dmp
memory/212-41-0x0000000006160000-0x00000000061C6000-memory.dmp
memory/212-67-0x0000000007CF0000-0x0000000007D14000-memory.dmp
memory/212-68-0x000000006FEB0000-0x0000000070204000-memory.dmp
memory/212-38-0x0000000005950000-0x0000000005F78000-memory.dmp
memory/212-35-0x0000000005310000-0x0000000005320000-memory.dmp
memory/212-37-0x0000000005310000-0x0000000005320000-memory.dmp
memory/212-36-0x00000000051B0000-0x00000000051E6000-memory.dmp
memory/936-92-0x0000000007660000-0x00000000076F6000-memory.dmp
memory/936-93-0x00000000075D0000-0x00000000075E1000-memory.dmp
memory/936-84-0x000000006F900000-0x000000006F94C000-memory.dmp
memory/936-80-0x00000000059F0000-0x0000000005D44000-memory.dmp
memory/4648-100-0x0000000005980000-0x0000000005CD4000-memory.dmp
memory/4648-107-0x000000006F900000-0x000000006F94C000-memory.dmp
memory/4648-115-0x00000000700B0000-0x0000000070404000-memory.dmp