Analysis

  • max time kernel
    153s
  • max time network
    164s
  • 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 21:54

General

  • Target

    451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe

  • Size

    5.1MB

  • MD5

    cd591ebef2fb36e6d0c67b0237d3b1be

  • SHA1

    2bea8eaa1e588a0f7fc3a73044d7b10a43659441

  • SHA256

    451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419

  • SHA512

    29ccd09717fe83c8d7dddae145a4a446550a3a6c7a7656a1cd9add832d8003177e4d73df23047e45c7a1950434549c1d9f4756f8d1b7f537675f9b8880f5ce7c

  • SSDEEP

    98304:CEYQC32wcQ37FUnAh6faD0bIdGFqC21B5oVfQWcl2+tUQxy:VYDPl3CVaD0ctCWjoV7TiUQE

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\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe
    "C:\Users\Admin\AppData\Local\Temp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Users\Admin\AppData\Local\Temp\is-GTACB.tmp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GTACB.tmp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp" /SL5="$501D2,5141152,54272,C:\Users\Admin\AppData\Local\Temp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
        "C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:380
      • C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
        "C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2436
  • 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=3712 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4680

    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 2020\mp3doctorfree32_64.exe
      Filesize

      3.8MB

      MD5

      0918c3dc6a1e6cce306fa4ff996e66bb

      SHA1

      abb776446c0697a8ae8c790a0c838ea5d1fbf406

      SHA256

      6ed20f480c9170a3e77e0c8e1ac4a0eea697be7e9d9199c19dbde47ccada3ed3

      SHA512

      e9f8e550e91e4b4d09cb63c0c6bd263d89c461687a32e6d68642441818c65f216cd79fc117cb6e92252567fb0a4c09142ac95f828da1bfc860dd65de02b7017d

    • C:\Users\Admin\AppData\Local\Temp\is-A93B6.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-GTACB.tmp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
      Filesize

      680KB

      MD5

      6f995e2d6c8d0d1d03cb3afcd1deafaf

      SHA1

      0319dbd8c7b44067b82fed5272059757a526b3aa

      SHA256

      cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

      SHA512

      207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

    • memory/380-62-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/380-67-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/380-64-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/380-63-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2180-8-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/2180-61-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/2436-73-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-96-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-111-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-108-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-70-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-106-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-76-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-77-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-80-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-83-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-86-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-89-0x0000000000A50000-0x0000000000AF2000-memory.dmp
      Filesize

      648KB

    • memory/2436-92-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-102-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/2436-99-0x0000000000400000-0x00000000007C6000-memory.dmp
      Filesize

      3.8MB

    • memory/3700-60-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/3700-2-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB

    • memory/3700-0-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/3700-7-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB