Analysis

  • max time kernel
    148s
  • 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, 12:21

General

  • Target

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe

  • Size

    2.0MB

  • MD5

    603489e0ce3e4c942d3cb6badafb76f7

  • SHA1

    c1eb47d815760f03c49d892f7ffcd048ee7b24ac

  • SHA256

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6

  • SHA512

    dbeb9f836b0b39b48e7cdc1551477bac601907f7c3cd61736dd90b2ba68b5345078bc6223c01998aeccc8087bd2fd9c259e87d353d9391766707e3e4e3c81288

  • SSDEEP

    49152:32pF1TdGP/ATkjneFyIzQFzMGCjTHTjowMRmPCb8OKxRe7D:mpXT2YUpIzAMowGhbrKxRc

Malware Config

Extracted

Family

socks5systemz

C2

http://bdxbpnz.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9e9909c33

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\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
    "C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$A011E,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:64
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3788
  • 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=4204 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4864

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            2.0MB

            MD5

            ecd25bbe932879f7b1104322f0338e11

            SHA1

            03e574a7f06a85bc0cbbabfb86e1cfb621031056

            SHA256

            31a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811

            SHA512

            e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232

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

            Filesize

            128KB

            MD5

            5ce49878104e1a35529927d4e5da0dcf

            SHA1

            0051814458e92cb618fcb9e2ab501e02b56e0554

            SHA256

            c456b0ebe27c6d94bbce0d37351efe7ca59c5d9ff004c307aa42ca83f1971a82

            SHA512

            882cf7cfccc2903fb4cecf6969614900204eb64ab94d77dcbb52ec3520df8a9175768eb75b78c3b77018c91e4078799866d51bf6c1d96f361f06d7a498b8e25b

          • C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

            Filesize

            677KB

            MD5

            92f7775908bb12183914bb0753782913

            SHA1

            8d1091da36832942d48f2fe9a1a216fdd556b9c4

            SHA256

            a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

            SHA512

            7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

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

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/64-38-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/64-39-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/64-42-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/64-43-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/404-48-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/404-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/404-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2232-51-0x0000000002240000-0x0000000002241000-memory.dmp

            Filesize

            4KB

          • memory/2232-49-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB

          • memory/2232-7-0x0000000002240000-0x0000000002241000-memory.dmp

            Filesize

            4KB

          • memory/3788-68-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/3788-67-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-45-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-54-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-55-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-58-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-61-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-64-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-47-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-50-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-74-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-77-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-78-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/3788-81-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-84-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-87-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-90-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-94-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB

          • memory/3788-97-0x0000000000400000-0x000000000060B000-memory.dmp

            Filesize

            2.0MB