Resubmissions
05/08/2026, 11:13
260805-nbpcgsem6w1005/08/2026, 11:07
260805-m7zyeswcrb1005/08/2026, 11:01
260805-m4kdkazwez10Analysis
- geolocation tags
- user interaction
yes - max time kernel
171s - max time network
162s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/08/2026, 11:13
General
- Target WinRAR-723.exe
- Size 319KB
- Sample260805-nbpcgsem6w
- SHA256 0501b47b11467d4ca1d2a3e1325fc1cf24614c89228ea884fbb7d0227323a244
Malware Config
Extracted
-
ps1
-
exe.dropper
https://www.win-rar.com/fileadmin/winrar-versions/downloader/versions.xml
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
- Loads dropped DLL 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\WinRAR-723.exe"C:\Users\Admin\AppData\Local\Temp\WinRAR-723.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -Command "try { $WebClient = New-Object System.Net.WebClient; $WebClient.DownloadFile('https://www.win-rar.com/fileadmin/winrar-versions/downloader/versions.xml', 'C:\Users\Admin\AppData\Local\Temp\wrtmp\versions.xml'); Write-Host 'SUCCESS' -NoNewline; exit 0 } catch { if ($_.Exception -is [System.Net.WebException]) { Write-Host $_.Exception.Response.StatusCode.value__ -NoNewline; exit 1 } else { Write-Host $_.Exception.Message -NoNewline; exit 2 } }"2⤵
- Badlisted process makes network request
- 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.exepowershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -Command "try { $WebClient = New-Object System.Net.WebClient; $WebClient.DownloadFile('https://www.win-rar.com/fileadmin/winrar-versions/downloader/versions.xml', 'C:\Users\Admin\AppData\Local\Temp\wrtmp\versions.xml'); Write-Host 'SUCCESS' -NoNewline; exit 0 } catch { if ($_.Exception -is [System.Net.WebException]) { Write-Host $_.Exception.Response.StatusCode.value__ -NoNewline; exit 1 } else { Write-Host $_.Exception.Message -NoNewline; exit 2 } }"2⤵
- Badlisted process makes network request
- 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
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Downloads
ModuleAnalysisCache
StartupProfileData-NonInteractive
Banner.dll
System.dll
nsExec.dll
memory/2840-23-0x0000000006250000-0x000000000629C000-memory.dmp
memory/2840-27-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/2840-16-0x0000000005B60000-0x0000000005B82000-memory.dmp
memory/2840-17-0x0000000005C00000-0x0000000005C66000-memory.dmp
memory/2840-18-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/2840-21-0x0000000005E80000-0x00000000061DB000-memory.dmp
memory/2840-22-0x0000000006200000-0x000000000621E000-memory.dmp
memory/2840-14-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/2840-24-0x0000000007A30000-0x00000000080AC000-memory.dmp
memory/2840-25-0x0000000006750000-0x000000000676A000-memory.dmp
memory/2840-26-0x0000000073B42000-0x0000000073B43000-memory.dmp
memory/2840-15-0x00000000053E0000-0x0000000005A2A000-memory.dmp
memory/2840-30-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/2840-12-0x0000000073B42000-0x0000000073B43000-memory.dmp
memory/2840-13-0x0000000004D10000-0x0000000004D46000-memory.dmp
memory/6088-36-0x0000000006110000-0x000000000646B000-memory.dmp
memory/6088-39-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/6088-35-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/6088-34-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/6088-42-0x0000000073B30000-0x00000000742EC000-memory.dmp
memory/6088-44-0x0000000073B30000-0x00000000742EC000-memory.dmp