Analysis

  • max time kernel
    112s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 22:58

General

  • Target

    14fd83efa15721e152b8f8fec9af80e0N.exe

  • Size

    4.7MB

  • MD5

    14fd83efa15721e152b8f8fec9af80e0

  • SHA1

    a48186400a0b77829d07950aff9dd797f5170f18

  • SHA256

    5c37bbaf5ef64b987f5e7d2e7ab5696b945ec6b2418e35e476354ed06974d0df

  • SHA512

    5326f0f6cd55cea30681882c5afb7fa309fa01234440916d3e49b0602459ac4428ef0137f8086f6815faebb8ebb31533102283d444c636b029f2da9bd52413f7

  • SSDEEP

    98304:NGj/8Ray4m1LcDZAbcBfFVRe2CRUp3nzwptcN9jbP7ixpq9sdo:YGa1m1LqWCfFVRU4C0vjiTN2

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • 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\14fd83efa15721e152b8f8fec9af80e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp" /SL5="$90060,4634103,54272,C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.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:1468
      • C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe
        "C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:880
      • C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe
        "C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe

          Filesize

          4.3MB

          MD5

          b39a7e7ca422d1ca0b74c51ca795eb0e

          SHA1

          bfc6ee7f7b179ee16531a6a8eb0bf4399b53c867

          SHA256

          8bf2fa2cd96a7c6fa873609f7716c55a98dd1b224873bce5263eb86f5896da8a

          SHA512

          24a30ee12fbf77ab18fa4807e357b7194545078e1f6a87ed50ebc771e14bf7135558c5947cf2ba0026a2a3f20171ec0ac771cf7b2fd16913fe8198030e42e1bf

        • C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp

          Filesize

          692KB

          MD5

          3762f8a096cfe22083d6c5b226263039

          SHA1

          c827939ed24cd2100f22036407a18c03ba317082

          SHA256

          747927b87649bc678fb189152989435985b60e8109975ebc88964e11451143be

          SHA512

          be3fda17939e36ca1e53d3012dad7ce40322cdf1d7dd2caecf9726c6a5cede3e0d016bfa9c0d5b4f176c8a76903c73dd87825f97e7bb5f209611b42782698d63

        • C:\Users\Admin\AppData\Local\Temp\is-P9J1H.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-P9J1H.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • memory/860-79-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-85-0x0000000000B20000-0x0000000000BC2000-memory.dmp

          Filesize

          648KB

        • memory/860-104-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-101-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-98-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-95-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-92-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-66-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-89-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-82-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-69-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-72-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-73-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/860-76-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/880-63-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/880-59-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/880-61-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/880-58-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1468-68-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1468-7-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2932-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2932-67-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2932-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB