Analysis

  • max time kernel
    112s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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 6 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\is-3VFBU.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3VFBU.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp" /SL5="$400C6,4634103,54272,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:2664
      • 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:2544
      • 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:1656

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          4.3MB

          MD5

          b39a7e7ca422d1ca0b74c51ca795eb0e

          SHA1

          bfc6ee7f7b179ee16531a6a8eb0bf4399b53c867

          SHA256

          8bf2fa2cd96a7c6fa873609f7716c55a98dd1b224873bce5263eb86f5896da8a

          SHA512

          24a30ee12fbf77ab18fa4807e357b7194545078e1f6a87ed50ebc771e14bf7135558c5947cf2ba0026a2a3f20171ec0ac771cf7b2fd16913fe8198030e42e1bf

        • \Users\Admin\AppData\Local\Temp\is-3VFBU.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp

          Filesize

          692KB

          MD5

          3762f8a096cfe22083d6c5b226263039

          SHA1

          c827939ed24cd2100f22036407a18c03ba317082

          SHA256

          747927b87649bc678fb189152989435985b60e8109975ebc88964e11451143be

          SHA512

          be3fda17939e36ca1e53d3012dad7ce40322cdf1d7dd2caecf9726c6a5cede3e0d016bfa9c0d5b4f176c8a76903c73dd87825f97e7bb5f209611b42782698d63

        • \Users\Admin\AppData\Local\Temp\is-UJV2K.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-UJV2K.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • \Users\Admin\AppData\Local\Temp\is-UJV2K.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/1656-86-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-66-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-83-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-105-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-102-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-99-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-96-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-80-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-77-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-93-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-70-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/1656-87-0x0000000002840000-0x00000000028E2000-memory.dmp

          Filesize

          648KB

        • memory/1656-74-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/2084-68-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2084-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2084-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/2544-64-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/2544-61-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/2544-60-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/2664-71-0x0000000003440000-0x000000000388F000-memory.dmp

          Filesize

          4.3MB

        • memory/2664-69-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2664-16-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2664-59-0x0000000003440000-0x000000000388F000-memory.dmp

          Filesize

          4.3MB