Analysis

  • max time kernel
    143s
  • max time network
    128s
  • 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, 07:17

General

  • Target

    be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe

  • Size

    3.7MB

  • MD5

    7df87cdce523d073c7714b86cee76868

  • SHA1

    6f2346ef05d4fe379995160807b209fc2cac1319

  • SHA256

    be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c

  • SHA512

    99d695ccd05fb9dd7c856507dd698992365447500cbff6a910c40637a87df9dc29cb3b815443522204d683632cbff531a859ec409a841fcfe3d09b65813c9ee8

  • SSDEEP

    98304:NvljcRWLNU+EFm1antJQblLj40S3GpiexdRR:FlTWBXtJQIK5d

Malware Config

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.

  • 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\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe
    "C:\Users\Admin\AppData\Local\Temp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Users\Admin\AppData\Local\Temp\is-88Q5L.tmp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-88Q5L.tmp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp" /SL5="$B0068,3564278,54272,C:\Users\Admin\AppData\Local\Temp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.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:2840
      • 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:1600
      • 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:3324

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-88Q5L.tmp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp

          Filesize

          692KB

          MD5

          d541b0e8d95d631badc9ff20ed59afdd

          SHA1

          617063202f52daa60cb4a04f505418b2e4778d18

          SHA256

          9450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad

          SHA512

          edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c

        • C:\Users\Admin\AppData\Local\Temp\is-J7UGE.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

          Filesize

          3.9MB

          MD5

          f0cb188d0abc95494f10b3d5bc7366c0

          SHA1

          b59364f1baf7bbefae9db9d14963f77dc6b7f894

          SHA256

          7361ab2a774986f096cc2d6c9008646d2d5265849b05d7bdd69802149fe19983

          SHA512

          0be346b9554b3c922d868fe0b81773d4e109177726c530d0f612caca19a7c12f67d60ee67992279db41bb397d630483c9f3a3a55fb1936f51e7498c55b654d26

        • memory/1600-52-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/1600-53-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/1600-54-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/1600-57-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/2840-16-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2840-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3168-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3168-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3168-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3324-68-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-90-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-62-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-71-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-74-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-77-0x0000000000A20000-0x0000000000AC2000-memory.dmp

          Filesize

          648KB

        • memory/3324-81-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-84-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-87-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-65-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-93-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-96-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-99-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-100-0x0000000000A20000-0x0000000000AC2000-memory.dmp

          Filesize

          648KB

        • memory/3324-101-0x0000000000A20000-0x0000000000AC2000-memory.dmp

          Filesize

          648KB

        • memory/3324-105-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3324-108-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB