Analysis

  • max time kernel
    142s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 00:23

General

  • Target

    66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe

  • Size

    4.9MB

  • MD5

    597cd753d6cacec49e9444c3e84189b0

  • SHA1

    042010cc2cb64d8775a4b62f6651fc902f02249d

  • SHA256

    66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050

  • SHA512

    4bdd328a1deb1752f44a81e76a2264a19cad093fb5ce43635be0af9a1f7d3dada02d96df0312d01fd66322fd5e080fa2968b18ddcb899a0125250e5a65bc7c8d

  • SSDEEP

    98304:m7ZuKbG9rWB851SQDmv/YymbABHqn6FAIgMPL5v1DL7hBg8IrQpCbXsk:WZuOGW61Swirm+qfIgy5Rvgvc+8k

Malware Config

Extracted

Family

socks5systemz

C2

bpwuxoj.com

http://bpwuxoj.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c4ec95923d

http://bpwuxoj.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d923fce6f9e10

Signatures

  • Detect Socks5Systemz Payload 3 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\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe
    "C:\Users\Admin\AppData\Local\Temp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\is-FI3U5.tmp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FI3U5.tmp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp" /SL5="$80060,4873376,54272,C:\Users\Admin\AppData\Local\Temp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
        "C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2052
      • C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
        "C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:516
  • 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 --field-trial-handle=1036,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=3916 /prefetch:8
    1⤵
      PID:3428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
      Filesize

      2.4MB

      MD5

      5ee79ca53483ee8c17b0ba572485b1de

      SHA1

      e6f61cdd233249afc42853557a387d6ab093ed10

      SHA256

      8d3bdc9d4ad2db9f3f5cbc38cdcae4d271a5250284252ec98e84d739e6d112b1

      SHA512

      a9bb745c7eab2d2b8b4fd271b7cb8ca743c8ae08f83942c6a6b8c14136a5ecb6fd70c3a17341ae3ce05b412d0129033ca23920471a7c3e1df7b5828eb174f20e

    • C:\Users\Admin\AppData\Local\Temp\is-7AF44.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-FI3U5.tmp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
      Filesize

      680KB

      MD5

      9c0c87dbb79871a4914149cd5acefbf8

      SHA1

      35627d4c709114e03240747deb05d154743ccb59

      SHA256

      0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

      SHA512

      6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

    • memory/516-96-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-99-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-117-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-114-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-110-0x00000000027E0000-0x0000000002882000-memory.dmp
      Filesize

      648KB

    • memory/516-109-0x00000000027E0000-0x0000000002882000-memory.dmp
      Filesize

      648KB

    • memory/516-68-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-108-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-105-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-102-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-71-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-74-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-77-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-80-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-83-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-86-0x00000000027E0000-0x0000000002882000-memory.dmp
      Filesize

      648KB

    • memory/516-90-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/516-93-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/1692-16-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/1692-70-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/2052-64-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/2052-65-0x0000000000400000-0x000000000047E000-memory.dmp
      Filesize

      504KB

    • memory/2052-61-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/2052-60-0x0000000000400000-0x0000000000666000-memory.dmp
      Filesize

      2.4MB

    • memory/3344-0-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/3344-69-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/3344-3-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB