Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 07:14

General

  • Target
    readjustService.ps1
  • Size 23KB
  • Sample260804-h2zy1sfa87
  • SHA256 61c2e0e293226e87c9d149b2304799c064b83051e70e41e1a305159621a0196c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

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

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\readjustService.ps1
    1⤵
    • Drops file in System32 directory
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\n2si0cvo\n2si0cvo.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7EFF.tmp" "c:\Users\Admin\AppData\Local\Temp\n2si0cvo\CSCD90CADF45CC14EA08CBC2885C89283E3.TMP"
        3⤵
          PID:2104

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RES7EFF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES7EFF.tmp
          • Size 1KB
          • SHA256 480dbd724c08d5f073150cfd25f1c95fceeaf967b3b3f74d082a07934da073d1
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_up3ybrx0.gbf.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_up3ybrx0.gbf.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          n2si0cvo.dll

          • Path C:\Users\Admin\AppData\Local\Temp\n2si0cvo\n2si0cvo.dll
          • Size 6KB
          • SHA256 ec771ecadfb8d4de57b821fc3aa6496d55850fa1287cb2c54ac1c6e99795c9db
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSCD90CADF45CC14EA08CBC2885C89283E3.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\n2si0cvo\CSCD90CADF45CC14EA08CBC2885C89283E3.TMP
          • Size 652B
          • SHA256 ce0eb688dc5184cedb545c14ccf02a240905adff516c786688b0e29b9b0b64d6
          • MD5 SHA1 SHA512 TLSH

          n2si0cvo.0.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\n2si0cvo\n2si0cvo.0.cs
          • Size 6KB
          • SHA256 a880aba85837c89c2130739707448814120940bc031ae04ab29c8f85efaca14c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          n2si0cvo.cmdline

          • Path \??\c:\Users\Admin\AppData\Local\Temp\n2si0cvo\n2si0cvo.cmdline
          • Size 369B
          • SHA256 54aa68f6ba0bc8234bb018fbae9eb2b447bac064972c2554baf2d60d8e3bd810
          • MD5 SHA1 SHA512 TLSH

          memory/1732-1-0x0000029377EB0000-0x0000029377EC0000-memory.dmp

          memory/1732-0-0x0000029377EB0000-0x0000029377EC0000-memory.dmp

          memory/1732-9-0x0000029377E70000-0x0000029377E92000-memory.dmp

          memory/1732-22-0x0000029377EA0000-0x0000029377EA8000-memory.dmp

          memory/1732-24-0x0000029377EB0000-0x0000029377EC0000-memory.dmp