Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2024, 11:11

General

  • Target

    54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe

  • Size

    2.1MB

  • MD5

    9e8ff48c9d1e5d038c8dfabf68eb03dd

  • SHA1

    fbd2bf503a35a325a43fe5570da654f9b080d553

  • SHA256

    54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4

  • SHA512

    11401d38d069fe211ec4e9e91c9153463d7db5a72196cb4c2f1339ae05fbf9a8be7af4f6284b839b844e11dd3c0debfeb510f160fe4572ea9bca0a85c7974b6a

  • SSDEEP

    49152:32m/7tt7CbxyTitGhOLx2GsE1y+f4A2xEhoOJae7D:mOvGbcTmFkEYFwac

Malware Config

Extracted

Family

socks5systemz

C2

http://ezztswi.ua/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed969233

Signatures

  • Detect Socks5Systemz Payload 2 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\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe
    "C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp" /SL5="$5005E,1794777,54272,C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2156
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          1.9MB

          MD5

          ccb545e9cd91d33b6304ab0dd7df8bb9

          SHA1

          961136d74337db630e421a00698ddde2e80ba606

          SHA256

          bd09e37d0164824172ef0ae09e75523f2ec8cdc3ba9c514e179d743cfb5db029

          SHA512

          215bc75e1862ac117e73806e6701f40bd95706a81280df3b42f88e1a631ce103e7160bad985147e86753a638a8e85bf8e9b3bd23d2be8c79b093b421629258b6

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          640KB

          MD5

          4cce64d05608e8296910dc725e612498

          SHA1

          23f359c8f01b4d810ea534e687d541f963f50c90

          SHA256

          3e223bf7f7daca76245199b6dc80aa4298e10345cecffb2b88ebfe45c3349e46

          SHA512

          f7a79f8e56d67cbcce124ed6e0ac085bf466505bafbf967d0b66bd439b29ca82ef3912598577ebbf38fe267af0169f44fa0dd64f1d3a6bc508360226664a332d

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          2.1MB

          MD5

          2b9cd72d2188e739c982dd6eeb7d734b

          SHA1

          fcb9b736c8987c20cac62abb17726917fe0ed224

          SHA256

          f9eee992963a615a1bbcddfd7bb18ee977d2c207602bdb19fcc76aa52f54bdbc

          SHA512

          32296c818ddb1daf53837f387b73e03ee2dbd878031278dab979c172ab928d86f63f04190ceaea967ffb143ffde25d9a283c1f92d6d7bb354e936c39b779d341

        • C:\Users\Admin\AppData\Local\Temp\is-A6PL4.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/2156-41-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2156-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2156-39-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2156-43-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3192-50-0x0000000002240000-0x0000000002241000-memory.dmp

          Filesize

          4KB

        • memory/3192-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3192-7-0x0000000002240000-0x0000000002241000-memory.dmp

          Filesize

          4KB

        • memory/4716-60-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-68-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/4716-46-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-49-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-97-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-54-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-57-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-94-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-63-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-66-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-90-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-74-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-77-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-78-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/4716-81-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-84-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4716-87-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4984-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4984-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4984-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB