Analysis

  • max time kernel
    115s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 19:02

General

  • Target

    83e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7.dll

  • Size

    1.2MB

  • MD5

    f35b671fda2603ec30ace10946f11a90

  • SHA1

    059ad6b06559d4db581b1879e709f32f80850872

  • SHA256

    83e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7

  • SHA512

    b5fa27d08c64727cef7fdda5e68054a4359cd697df50d70d1d90da583195959a139066a6214531bbc5f20cd4f9bc1ca3e4244396547381291a6a1d2df9cf8705

  • SSDEEP

    24576:2vkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dggv4+yC7:2sMPSYcS5wPi095PbgS4

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      2⤵
        PID:1424
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\904519900954_Desktop.zip' -CompressionLevel Optimal
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2084
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=2304,i,7548677271533893574,11048237606705436109,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjaddgiy.zpm.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2084-9-0x000002164EF00000-0x000002164EF22000-memory.dmp

        Filesize

        136KB

      • memory/2084-11-0x000002164ECF0000-0x000002164ED00000-memory.dmp

        Filesize

        64KB

      • memory/2084-10-0x00007FFBC2830000-0x00007FFBC32F1000-memory.dmp

        Filesize

        10.8MB

      • memory/2084-12-0x000002164ECF0000-0x000002164ED00000-memory.dmp

        Filesize

        64KB

      • memory/2084-13-0x000002164EF70000-0x000002164EF82000-memory.dmp

        Filesize

        72KB

      • memory/2084-14-0x000002164ECE0000-0x000002164ECEA000-memory.dmp

        Filesize

        40KB

      • memory/2084-20-0x00007FFBC2830000-0x00007FFBC32F1000-memory.dmp

        Filesize

        10.8MB