Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 10:00

General

  • Target

    d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe

  • Size

    3.8MB

  • MD5

    985c983c80f9584809f7b2492414128c

  • SHA1

    3751e51aa1badf207741e3f5578c52696f9f01ad

  • SHA256

    d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290

  • SHA512

    7a988a01934a94d3e9d79ff9977114e252ab081220b70f1c73d1df9d7f98fdaabf2c0912e32d57a17ffe0ed4582aeda4bc26b2382948d624b9d6248710ead7c6

  • SSDEEP

    98304:N6mFN62H+FUqw9cRaialtNgLR+4C8OkPWbKwAEVkQkdRR:zFbH+FUqwcd+H8O8WbjACkd

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.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe
    "C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\is-DGF4E.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DGF4E.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp" /SL5="$C011A,3708907,54272,C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1256
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4920
  • 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 --field-trial-handle=3984,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:8
    1⤵
      PID:4472

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\is-DGF4E.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp

            Filesize

            692KB

            MD5

            d541b0e8d95d631badc9ff20ed59afdd

            SHA1

            617063202f52daa60cb4a04f505418b2e4778d18

            SHA256

            9450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad

            SHA512

            edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c

          • C:\Users\Admin\AppData\Local\Temp\is-OFJF7.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

            Filesize

            4.0MB

            MD5

            eb127174a7c64ddd56edbcd093ec6157

            SHA1

            a76d43956139b7cc6378e6da90abe1944b2240c6

            SHA256

            75b2bf968f967f930d74b3d063d82b4535aaa169b02c5716a8da2b476f81bb7d

            SHA512

            a50005e6a61e380bda4c8dbbd330d8e2aaba53bdc433cbe83ce26720ac0b158b1a3fbebe7576f77a8be6a3caa6686daae46fc0a1cd3b8b214702198aa38fec7b

          • memory/1256-52-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/1256-54-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/1256-55-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/1256-57-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/2020-60-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2020-2-0x0000000000401000-0x000000000040B000-memory.dmp

            Filesize

            40KB

          • memory/2020-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/4920-62-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-84-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-106-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-65-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-68-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-71-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-74-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-77-0x00000000009D0000-0x0000000000A72000-memory.dmp

            Filesize

            648KB

          • memory/4920-79-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-103-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-87-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-90-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-93-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-96-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/4920-99-0x0000000000400000-0x000000000080B000-memory.dmp

            Filesize

            4.0MB

          • memory/5068-61-0x0000000000400000-0x00000000004BD000-memory.dmp

            Filesize

            756KB

          • memory/5068-10-0x0000000000400000-0x00000000004BD000-memory.dmp

            Filesize

            756KB