Analysis

  • max time kernel
    142s
  • 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
    10/08/2024, 20:57

General

  • Target

    e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.exe

  • Size

    4.6MB

  • MD5

    1c4daaec6eddaf0d4fe984ac3977df1a

  • SHA1

    9db18ada9215d38e71d285ef4b54d6b41119fcc0

  • SHA256

    e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44

  • SHA512

    c6a66c240d6f274791edcc5c46d5e691ad902281ec36a1648f8fa11c5dcd41809a1e17b6adf3ef0c22d2076e458a7ec5566b089435d91fb230cb648175a2429e

  • SSDEEP

    98304:N7S07OZTZCD4ywWrNvAsO2raDPhdk2vbwnk2JbyUm6NzDuokdJ:Z36Z0DZ3lriPh5CkmnVkD

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\e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.exe
    "C:\Users\Admin\AppData\Local\Temp\e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\is-D4I22.tmp\e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D4I22.tmp\e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.tmp" /SL5="$D002E,4589615,54272,C:\Users\Admin\AppData\Local\Temp\e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.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:1660
      • C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
        "C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3264
      • C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
        "C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1388

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe

          Filesize

          4.3MB

          MD5

          addca7c3ff5b5058c8dc8ac70dc94365

          SHA1

          4a8eefde122c3d25b5f306fa83035efe61f2e6f4

          SHA256

          47469991fb362ae07f48ec95ea7c5766ccdade3c5ec27ae8cc8f614af5c0d602

          SHA512

          f5d6e124f6ea108abc94de675035876bbf4d7833b1bf0eeac4747d0d9d851e25bfffd6f83244fe8293891da50b9195bb282ffc4ae57a7c652859ba9797da2a64

        • C:\Users\Admin\AppData\Local\Temp\is-D4I22.tmp\e24018c462caa7a9202a215b65c3c0b999de1874a2cba74c6756734347166b44.tmp

          Filesize

          692KB

          MD5

          85fc5b8836d8625fbfa40a092386e645

          SHA1

          a90bb83f5d8d024bb357a44682267a50406071d6

          SHA256

          6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950

          SHA512

          c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae

        • C:\Users\Admin\AppData\Local\Temp\is-OVID2.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-OVID2.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • memory/1388-93-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-99-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-114-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-111-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-107-0x0000000000970000-0x0000000000A12000-memory.dmp

          Filesize

          648KB

        • memory/1388-106-0x0000000000970000-0x0000000000A12000-memory.dmp

          Filesize

          648KB

        • memory/1388-105-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-102-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-96-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-68-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-71-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-74-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-77-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-80-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-83-0x0000000000970000-0x0000000000A12000-memory.dmp

          Filesize

          648KB

        • memory/1388-85-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1388-90-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/1660-67-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1660-13-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3264-63-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/3264-61-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/3264-59-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/3264-58-0x0000000000400000-0x0000000000846000-memory.dmp

          Filesize

          4.3MB

        • memory/3716-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3716-66-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3716-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB