Analysis

  • max time kernel
    147s
  • max time network
    155s
  • 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, 11:14

General

  • Target

    5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe

  • Size

    2.0MB

  • MD5

    ff576bc35cf98eee07585ae5b7c88efc

  • SHA1

    df8c450c6966db774d06ab8d2feeb97374cda260

  • SHA256

    5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3

  • SHA512

    a5303ab816eb67f3d517757d07fc8cd1b8a2e6bd4869ca9744405c9ea75c95f5f058301a9ce7ebf99e407504a51d6c879b06018f44dfde24b38d3c1eed815317

  • SSDEEP

    49152:32pu+svTDBZMqdkzssuHTSJf20pom5PRXLFzGHWkme7D:mpfMTDBmeUss8TS52teJXc2kmc

Malware Config

Extracted

Family

socks5systemz

C2

http://aicxjai.ru/search/?q=67e28dd83e08a72b4108ad4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f671ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed909e3f

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.

  • 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\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe
    "C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Users\Admin\AppData\Local\Temp\is-V18UM.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V18UM.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp" /SL5="$B0050,1756523,54272,C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4720
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.1MB

          MD5

          77c8e87124cd5534656bf23a7bc21509

          SHA1

          1531df44ea2092e5e0f89a12a3e77a19400d9451

          SHA256

          c12f75445e83c4dbe480cc92afc4bdd584f6489811b78f7041fb6fd06488a7aa

          SHA512

          7389ddaa558867edf903b3e81bc432833dc055324a52f3e56638ac6fee1834b557a5e2b96266c9ed7f969dd7f51a6b6dc820b5b1f58b88a0972f7192647224e7

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

          Filesize

          2.0MB

          MD5

          10b61d3f396d0db3112f701ff1eeef0e

          SHA1

          1c0d6cd7b50df2699641a62cce8133b8e372177f

          SHA256

          7b9f88ce378d3481a7a437570f4e73f6e18ab4a7f9b1289a528978a953c52584

          SHA512

          8395bb347cc2ed412576026fa5c8934369de1cfc5d510fd71476956e08c807d9475968423126cdb2a1214ac4989293d8dce2d678eee7f8c6c97d679734b6bbb8

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

          Filesize

          768KB

          MD5

          125bcf326a556a09d26b4cb30f33a41f

          SHA1

          570ef4eacf435ef527a1a3b732b3117d4fed668b

          SHA256

          1b71d871aa5801f13c2f88f122276c6a6a3133bed0ebaf20ae754c47a7e0a799

          SHA512

          b8473e5f7511695a4f0342b4b88ab41e0cd42416fd9f5ab50b0cea98d1e1611e445fae9593dca658d63d126648ec2e3dc87251b7cb04b2465df3b3ace87e9b06

        • C:\Users\Admin\AppData\Local\Temp\is-MN9KM.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-V18UM.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/1292-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1292-46-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2292-73-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-62-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-96-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-93-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-45-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-89-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-86-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-48-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-83-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-52-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-56-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-59-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-80-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-65-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2292-67-0x00000000007F0000-0x0000000000892000-memory.dmp

          Filesize

          648KB

        • memory/2292-66-0x00000000007F0000-0x0000000000892000-memory.dmp

          Filesize

          648KB

        • memory/2292-77-0x00000000007F0000-0x0000000000892000-memory.dmp

          Filesize

          648KB

        • memory/2292-76-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-6-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/3960-49-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/3960-47-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4720-42-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4720-37-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4720-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4720-41-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB