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, 04:23

General

  • Target

    1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe

  • Size

    3.6MB

  • MD5

    62a32f950ef2d1e98a83b34faeddfdec

  • SHA1

    18652e2fb5bf8c4be5a2d7bc9e74e4e79be07db5

  • SHA256

    1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290

  • SHA512

    1c234fdf6a4ed26eca021a790cf07e9f743268db817424f6c84efc03c7907fd8c79d62cefa3d50204d9b9aff754c6e77d367541a140b86e18f1436908b27e72f

  • SSDEEP

    98304:NRCTfgz3CAx9tv0Tbj8aFRARPv+nE1/aPdf4:OTfgzSApv0Pj8yKPv9aPd4

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\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe
    "C:\Users\Admin\AppData\Local\Temp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Users\Admin\AppData\Local\Temp\is-9R2K8.tmp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9R2K8.tmp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp" /SL5="$80060,3555686,54272,C:\Users\Admin\AppData\Local\Temp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.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:1156
      • 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:4972
      • 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:4876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-4O2R0.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-9R2K8.tmp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp

          Filesize

          692KB

          MD5

          5e86b0ec372d2fc1fd230de780e7e967

          SHA1

          b4f60e0014da39c3e7a443deaaaf086aa01f7139

          SHA256

          e8cdcf3e17f27f736c3a131ea7510764087d28909effa27f03de54746452956f

          SHA512

          759f5874ac78a3d630350bbf22a1393cfe41d0914d43452292bce139b6063c045f0f7582aefa197c8c9e37f1bf4e3dd84ce5f5b792bdbabd5e62c419d1b4541d

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

          Filesize

          3.9MB

          MD5

          fbdd20f0f35f3d2a0469aa8abea235fc

          SHA1

          1c4997e8c2e4c7e6926a02797b00f247997b1e48

          SHA256

          f4caa0ff52e59d1211078d1993e67b97eda20cb600055421b1db892c0e399218

          SHA512

          ae6e73a454b7121dfdc60a1bc587d984293d05138a3791efc41e32e7c6b284f58eae50f2da90585c7988c94952c99cd95295dc647be8cf9f1a36c533b12435d3

        • memory/1156-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1156-62-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3348-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3348-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3348-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4876-88-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-80-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-59-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-109-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-106-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-63-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-66-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-69-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-72-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-75-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-78-0x0000000000950000-0x00000000009F2000-memory.dmp

          Filesize

          648KB

        • memory/4876-102-0x0000000000950000-0x00000000009F2000-memory.dmp

          Filesize

          648KB

        • memory/4876-85-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-101-0x0000000000950000-0x00000000009F2000-memory.dmp

          Filesize

          648KB

        • memory/4876-91-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-94-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-97-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4876-100-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4972-52-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4972-57-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4972-53-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/4972-55-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB