Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/03/2024, 18:42

General

  • Target

    01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe

  • Size

    2.0MB

  • MD5

    2bf527f3af542725d6d7aa0891136a22

  • SHA1

    7db81c09e86e755642472c347e94cb95b4a62643

  • SHA256

    01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77

  • SHA512

    f6125c68f2a85ca4f832437a5751f367bd3859d8924350623589afaa14d041f52d57247d74957d9a53fa82f502bcf5163b7356d3611889c4675b6b10680dcab6

  • SSDEEP

    49152:32g1KvY8oHbk2HcrT/gwEbtsQeYiOIzU1OjkbXXuct9fIdcMDgz5I:mg1KvYFw/gwE5+DOIAsjkbOctBIdcMDH

Malware Config

Extracted

Family

socks5systemz

C2

http://aidmngn.ru/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c0ea9d983b

http://aidmngn.ru/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12eab517aa5c96bd86ee9c864c805a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94993bc8679416

Signatures

  • Detect Socks5Systemz Payload 5 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe
    "C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp" /SL5="$6004A,1762749,54272,C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
        "C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2744
      • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
        "C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2968

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

          Filesize

          2.0MB

          MD5

          60f9c5a74ac1ec0aec4e4b4a4d139486

          SHA1

          cfdaace9ecd3a8ad68af2d3758fa53d1de39d0df

          SHA256

          e5f000773b88a971d8039e00957cad8fabef01bf3db09b2f151cdf5d43576d84

          SHA512

          50594bb2c97cb439c3ba75880f4005dbf034eafbb16fcd58a218969b443ddcb512ec83e8619c2ba6d35b580f0df82085a055daf19192b985c594ebc69a2fc965

        • C:\Users\Admin\AppData\Local\Temp\is-INF9G.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp

          Filesize

          677KB

          MD5

          5a1e3d46cb5a24f8e50b2a59d2ba1cf3

          SHA1

          fe86894c4757c144449bc744649b7fb9e03346f1

          SHA256

          d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d

          SHA512

          a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

        • memory/1472-7-0x0000000002200000-0x0000000002201000-memory.dmp

          Filesize

          4KB

        • memory/1472-50-0x0000000002200000-0x0000000002201000-memory.dmp

          Filesize

          4KB

        • memory/1472-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2376-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2376-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2376-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2744-38-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2744-43-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2744-42-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2744-39-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-54-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-77-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-53-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-46-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-57-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-60-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-63-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-65-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/2968-68-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-69-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/2968-74-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-49-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-78-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/2968-81-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-84-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-87-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-90-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-91-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/2968-92-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/2968-96-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/2968-99-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB