Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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, 17:19

General

  • Target

    69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe

  • Size

    2.0MB

  • MD5

    8d1d005a951e83b713c55d9742197814

  • SHA1

    9b725b293cae35da4073d0a5a4f6a2b59f0e2d6c

  • SHA256

    69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c

  • SHA512

    acf5e64caedc62fe9020cc104c0454b1933984c71b1733a2be1ff458a3eefe9cf7b4401a56cbecd45bd72544f1d1e03d3aa376b259c7bf92aede02442c0dd95c

  • SSDEEP

    49152:32OL6WRiIlaLhyQJTpWm/l7xGgASdt49CDQidXL11:mOL1+LhvTpWm/b86dQilLj

Malware Config

Extracted

Family

socks5systemz

C2

http://bubdeoj.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c1eb919e3d

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\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe
    "C:\Users\Admin\AppData\Local\Temp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\is-51UV2.tmp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-51UV2.tmp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp" /SL5="$C0058,1735427,54272,C:\Users\Admin\AppData\Local\Temp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3444
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1276
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3140
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3908

    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

            a44885994053e2bd4c5a71cfdff9c1e4

            SHA1

            6ecf41f4e26cc82b1e8ba60669f236b19d7021aa

            SHA256

            72848f23f999566824252b8d75ec5aa70df8bfd4bdaeb5a4b80ea3dd6ad6de7d

            SHA512

            5a733ad487a6db3e59a5fe848da9bd8a8ff2eac172dea293715b4939cf0c55a50e3beb2e3e6f9b643602ff43f1b59dbafc5cbced8a4eaf8e4c1f307ec869662f

          • C:\Users\Admin\AppData\Local\Temp\is-51UV2.tmp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp

            Filesize

            677KB

            MD5

            0f880dcf813dfae46e94e0fd721c3e2a

            SHA1

            f5faad2d2a72412682461ebfaa82e6ed2a1f5db0

            SHA256

            4cacfd4b9ca43a9396f2c50ccfe1f01d4f8215a26258b00b6e7ea2051d1c6e75

            SHA512

            4c826809562cb9f7c63c008c44592fb47f53f5a5ca99f15f7bbe59a9776514472da8bb469fdf933dfe52f22e52b77689d460afef1b40c779e867d7bd4f3a7f38

          • C:\Users\Admin\AppData\Local\Temp\is-5A0NN.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/1276-44-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1276-39-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1276-40-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1276-41-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/2940-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2940-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2940-17-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3140-51-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-68-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-48-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-95-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-91-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-88-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-56-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-57-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-60-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-63-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-65-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-46-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-70-0x00000000008E0000-0x0000000000982000-memory.dmp

            Filesize

            648KB

          • memory/3140-75-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-78-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-81-0x00000000008E0000-0x0000000000982000-memory.dmp

            Filesize

            648KB

          • memory/3140-83-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3140-86-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3444-52-0x0000000002340000-0x0000000002341000-memory.dmp

            Filesize

            4KB

          • memory/3444-7-0x0000000002340000-0x0000000002341000-memory.dmp

            Filesize

            4KB

          • memory/3444-49-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB