Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 01:34

General

  • Target

    6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe

  • Size

    2.0MB

  • MD5

    3de482d7dcd58f07bb3fc5a5081a0b84

  • SHA1

    0765fe3c19f259e414eb31ad6b6437dfd1d6f4e0

  • SHA256

    6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd

  • SHA512

    fc0c744e93da348537af0297212ddee88b5f5c1bc6d0dfb033625b8800408b96806a4bf3361a5d6e3485619ca17d19a6556ac1e255b0cf4d3aad256b676d929f

  • SSDEEP

    49152:32zOOTSIsjV93c/hvYnYG+7Ptx2J3ViH8Rf/M:m9kMqT+DDOcHiM

Malware Config

Extracted

Family

socks5systemz

C2

http://csacpcy.net/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ef909c3b

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\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe
    "C:\Users\Admin\AppData\Local\Temp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Users\Admin\AppData\Local\Temp\is-OO1ME.tmp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OO1ME.tmp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp" /SL5="$601EC,1781274,54272,C:\Users\Admin\AppData\Local\Temp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2272
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3288
  • 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=3412 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2448

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

            Filesize

            896KB

            MD5

            79af2edc7eea75db289d6375a8b62803

            SHA1

            60d8c8ab0a2c0f8a9c5652807aee07509d05ea4c

            SHA256

            e62dc8f2f795a665d5a247f20c15ff6d19637dc403dea506e54f1ad9e53522a7

            SHA512

            a3cb2e10cc806249a83991056cad643b7bef4e110333a69e3ab1ea7b5390f751b15f0a0ce7b71ed9533f0853b9eee253abbb198ea18c815bfc6322ff12684d8b

          • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

            Filesize

            2.1MB

            MD5

            0b20792abe21048cd21360dd176336b9

            SHA1

            7600286a1fb40729ec7f87161e9afc0d420d5f37

            SHA256

            f94ff415ed24572403c145bb89c31abb74d9aef2299da29c3534ffb229a31c10

            SHA512

            67c3817c39b73c9071b198b781f62e60758a54c6945108335db8873db621f681fbf231ec2408806cdb1e682c3024b343cea3d205e74902b17ba5e508388b72ca

          • C:\Users\Admin\AppData\Local\Temp\is-1C2GM.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • C:\Users\Admin\AppData\Local\Temp\is-OO1ME.tmp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp

            Filesize

            677KB

            MD5

            bb16a1aed23a42be299fa83942dc45cc

            SHA1

            eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

            SHA256

            2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

            SHA512

            bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

          • memory/1312-48-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB

          • memory/1312-7-0x0000000000760000-0x0000000000761000-memory.dmp

            Filesize

            4KB

          • memory/1312-50-0x0000000000760000-0x0000000000761000-memory.dmp

            Filesize

            4KB

          • memory/2272-38-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/2272-39-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/2272-42-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/2272-43-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3236-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3236-47-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3236-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3288-53-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-73-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-46-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-54-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-57-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-60-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-63-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-66-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-67-0x00000000008F0000-0x0000000000992000-memory.dmp

            Filesize

            648KB

          • memory/3288-49-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-76-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-77-0x00000000008F0000-0x0000000000992000-memory.dmp

            Filesize

            648KB

          • memory/3288-80-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-83-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-86-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-89-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-93-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3288-96-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB