Analysis

  • max time kernel
    142s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/08/2024, 00:55

General

  • Target

    7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe

  • Size

    4.1MB

  • MD5

    f6cdc03bd96539e1bb0281cae0537cfc

  • SHA1

    522d13270760b7bbea900665c0d8fdc45632bf5a

  • SHA256

    7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f

  • SHA512

    2043019fff3588ff8fac3af9749b234dbe7c51016c98fe2a7c51d862e5b01bea1bff5c3732d35fcc0ddb48239210b60311d7ff5e6e075704b0bf20af314d7cfc

  • SSDEEP

    98304:N0rlP7nTgC3VrAr0ETH2AgjnUlyVJKXx8B7NKnWdX:urN78Gr00UWrVVcuNFV

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe
    "C:\Users\Admin\AppData\Local\Temp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Local\Temp\is-60VI7.tmp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-60VI7.tmp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp" /SL5="$50244,4071062,54272,C:\Users\Admin\AppData\Local\Temp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.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:3892
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4352
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-60VI7.tmp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp

          Filesize

          692KB

          MD5

          00f15ee57af82fc40ac1ec609d1810a4

          SHA1

          6abfae4f73ade5af54d267c02389daf49abd6a51

          SHA256

          20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847

          SHA512

          f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

        • C:\Users\Admin\AppData\Local\Temp\is-HRVT7.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-HRVT7.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

          Filesize

          3.5MB

          MD5

          9b1f4bc7cfd0aad817f3eebe261cb60a

          SHA1

          544ebda2aedfb78e62cc71083851a1d92e98595a

          SHA256

          d5b2d9616fe44cef316aa7009054dcf1b9656f0b11dca0d50e0ccb19cc392439

          SHA512

          337170f36a640b1ad8890d6f342a0eaf0621523f87a8f39b12d6315b36e1d5bfdfd740cd1f2c47c7d42596be8af95b1c4d472a180ec1127784a80856925549a7

        • memory/804-67-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/804-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/804-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2988-91-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-97-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-115-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-112-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-66-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-108-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/2988-107-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/2988-69-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-72-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-75-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-78-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-81-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-82-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/2988-86-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-106-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-94-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-103-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/2988-100-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/3892-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3892-68-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4352-63-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/4352-58-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/4352-59-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB

        • memory/4352-62-0x0000000000400000-0x0000000000779000-memory.dmp

          Filesize

          3.5MB