Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/03/2024, 11:43

General

  • Target

    5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.exe

  • Size

    2.0MB

  • MD5

    da6e7f68ac31f00a8213f4d3989da997

  • SHA1

    d97455183c36e8e4186707994810287d6a90b816

  • SHA256

    5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962

  • SHA512

    ba1c98eb1f0619872d92d794e210526134748ec0607a076d1d6e7cdcfaa79e8981c5fa0c38ae0ed63a7bbd6e394cd1368408e77b57a18d0372b8a5f2f3fb2cd0

  • SSDEEP

    49152:32aPPzSAu1vy0vttbg2kyiXsRrF1RZGHIMSIByV6e7D:mUPWAuoagdy8srgooRc

Malware Config

Extracted

Family

socks5systemz

C2

http://bgguiqd.com/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9eb979d39

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\5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.exe
    "C:\Users\Admin\AppData\Local\Temp\5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\is-60DHB.tmp\5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-60DHB.tmp\5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.tmp" /SL5="$8020C,1779015,54272,C:\Users\Admin\AppData\Local\Temp\5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5036
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:780

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.2MB

          MD5

          6e092cca85268674585fc06e0cd511d5

          SHA1

          7aa52661c7b959d894903ec48a588f73e8d61f09

          SHA256

          7238b0887df176bb06149e5008e66ca41dc2c831614dcf61491b98fc01ef97d5

          SHA512

          75ee017d8c307953f0d2cfbfc8a11a7d6501a3d9255b7f0d31f89280f9c6309f7a9a989e3a8249c42d5a2cb9a5a7b6098e32c0f38f0cbab66697a948ac54c9ad

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

          Filesize

          576KB

          MD5

          9eccd14eee8998896b0419deb6cc7c38

          SHA1

          0e946c96cca6b5eb612a942dd1e457c378a025f4

          SHA256

          5d7186bee56ef3f5e00defadc7fe36599516de7f9adcc25cdae72d9d26cf2f7c

          SHA512

          70c9dfe38140736c133a54e4ebc763434c94e9629a646cece35a879770c799bd5376f512bd8e487c32b395f8477349af30245458cdc82e6bd6b395f94bf268e3

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

          Filesize

          2.0MB

          MD5

          f19172139302f009a31215e02c62c5ed

          SHA1

          7ab781637f4d8a2f6ec17e1840fbb657c7b1f8bc

          SHA256

          56120b5d4f3ecd47348b05856dab31f64fc0bca1f7984cdf11cd9084d1750996

          SHA512

          29bf6fbaab2279032582a08ff3d31ef66db6705cdb944dbd6a20446f9b726e4736c24111fa1a1bf07d5c0d4149b6f3bc9e53c80af043ad1f178b420930eb5293

        • C:\Users\Admin\AppData\Local\Temp\is-05PVU.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-60DHB.tmp\5006fc889256b4fb56361dccac441b764c6984725319b13b7f0d0010dd39b962.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/780-50-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-58-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-97-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-94-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-90-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-87-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-84-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-45-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-47-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-81-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-78-0x0000000000A20000-0x0000000000AC2000-memory.dmp

          Filesize

          648KB

        • memory/780-77-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-74-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-54-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-55-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-68-0x0000000000A20000-0x0000000000AC2000-memory.dmp

          Filesize

          648KB

        • memory/780-61-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-64-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/780-67-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/2160-51-0x0000000002340000-0x0000000002341000-memory.dmp

          Filesize

          4KB

        • memory/2160-49-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2160-7-0x0000000002340000-0x0000000002341000-memory.dmp

          Filesize

          4KB

        • memory/2820-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2820-48-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2820-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/5036-39-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/5036-43-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/5036-42-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB

        • memory/5036-38-0x0000000000400000-0x000000000060C000-memory.dmp

          Filesize

          2.0MB