Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 06:11

General

  • Target

    484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe

  • Size

    5.4MB

  • MD5

    9a1a2cdb18b0aaf93a02d07384c034e0

  • SHA1

    3e34b1b0d98e3caa86d8680dcf417595ccdb8ea3

  • SHA256

    484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc

  • SHA512

    0df3523b6c75a8b57e9ad0c756a83331dee7d30cf7df0a5090e533998d7dd67dfe1f76959252eef47716d95376f4b727d8ced2d341278a9c3826221d295edbae

  • SSDEEP

    98304:CrHuP7y7pohnrl/wze0Fs37IgHIWmLEnsPGi6V2SehJkBpTPoytQx2:GLVcoze+DdFpq+ctPoytQw

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe
    "C:\Users\Admin\AppData\Local\Temp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Users\Admin\AppData\Local\Temp\is-QCLD2.tmp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QCLD2.tmp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp" /SL5="$90116,5400263,54272,C:\Users\Admin\AppData\Local\Temp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
        "C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5392
      • C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
        "C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -s
        3⤵
        • Executes dropped EXE
        PID:5772
  • 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=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2440

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
      Filesize

      3.9MB

      MD5

      bf3e9c57eb8403846c7b7348ccde0989

      SHA1

      dec93de074563fcd45b8e2cbf9956d14399d93b3

      SHA256

      ffc679c9dff626c1ba8ad061a9134d3386b634b1d694c9de9fd2757fdc9b5714

      SHA512

      2b19fd1f7a83e95545c6cfc6c9ccf2ecdaa40c7f7dd7dcaf7d51e243aa8d1e6e2b39f26146895e34b189554d084dad609bf496a9bdccf8807e4240ea12d8ac16

    • C:\Users\Admin\AppData\Local\Temp\is-QCLD2.tmp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
      Filesize

      680KB

      MD5

      a8acbb635dadcdb78f1859944862815c

      SHA1

      83872731d4effcfa9d15612316210b2e76da02e4

      SHA256

      8727197eb8363c1c5fdb30b8a98323964d2444a38c3436d1d8c4e64e60c5789b

      SHA512

      f671adc769c422ef3eb651447c3aed365f70ce62f7f442b5b748d5f7f269be9b657711f2489c6a1b1132495f59f18fd6e4b683c029dd628b24b98a07da264cf7

    • C:\Users\Admin\AppData\Local\Temp\is-TE4EH.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/2260-2-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB

    • memory/2260-0-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/2260-68-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4996-69-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/4996-7-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/5392-59-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5392-60-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5392-63-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5392-64-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-74-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-86-0x0000000000900000-0x00000000009A2000-memory.dmp
      Filesize

      648KB

    • memory/5772-67-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-75-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-78-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-81-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-83-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-71-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-91-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-94-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-97-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-99-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-103-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-106-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-109-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB

    • memory/5772-112-0x0000000000400000-0x00000000007E9000-memory.dmp
      Filesize

      3.9MB