Analysis

  • max time kernel
    145s
  • max time network
    146s
  • 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, 11:21

General

  • Target

    9357e67e1024655f3302a794adc9c8da.exe

  • Size

    2.2MB

  • MD5

    9357e67e1024655f3302a794adc9c8da

  • SHA1

    ed8eb9f4da01fd739d21e8684e95bd381e103402

  • SHA256

    ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4

  • SHA512

    c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e

  • SSDEEP

    49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc

Malware Config

Extracted

Family

socks5systemz

C2

http://bwdddqe.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed9c9932

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\9357e67e1024655f3302a794adc9c8da.exe
    "C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Temp\is-U34LO.tmp\9357e67e1024655f3302a794adc9c8da.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-U34LO.tmp\9357e67e1024655f3302a794adc9c8da.tmp" /SL5="$601C8,1972866,54272,C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3924
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1316
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2464
  • 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=4228 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1128

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            2.2MB

            MD5

            db2e42972e6f72f623ec6cadf8180747

            SHA1

            be60e50f957eb7d9c88f52e234671701fc8fc7a0

            SHA256

            d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d

            SHA512

            ce8f3bc9f10f588472c936d8163427bc123a15c49d95533b0707faa146cec89f5f525be8ad7cd3a6b8459c4db4561fd8273908884e1420e1ef4251eaa9ec1dd8

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

            Filesize

            1.6MB

            MD5

            ab05b101cf20446a4d5c37394d99e29d

            SHA1

            7c650fc052617e7544af790a65a3a2169745c9dd

            SHA256

            6ddc5e9e7a57881e03a53b843418751d7f07695f09bcc70c09b9523a07a01522

            SHA512

            f86da8b154df8d61f3cf3e4618eb4a5e88f646d7db3b9ff3463d3d411035282f30a9f3a8c76c8688605f04031f486f68aaafcb521050d9187de047e58fa05d35

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

            Filesize

            320KB

            MD5

            c11048197e42dde02bb7d10254517ebc

            SHA1

            ecc6561b0b54b5bd2e5c7875fd7458a37865f577

            SHA256

            50885301504f0043653a7acd2aeb6d6af4b2cb8ef957c462ff58ea95bb5d5b23

            SHA512

            1e554c297519c34e4ed9017f77a94036a70b0274c0cb42994b91c59743717dae356ba5044211d77dbec98abf53d71884da42e1603f063c81766d90c2816db5d6

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

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • C:\Users\Admin\AppData\Local\Temp\is-U34LO.tmp\9357e67e1024655f3302a794adc9c8da.tmp

            Filesize

            677KB

            MD5

            92f7775908bb12183914bb0753782913

            SHA1

            8d1091da36832942d48f2fe9a1a216fdd556b9c4

            SHA256

            a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

            SHA512

            7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

          • memory/656-48-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/656-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/656-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/1316-38-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/1316-39-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/1316-42-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/1316-43-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-50-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-67-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-45-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-98-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-95-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-91-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-54-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-55-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-58-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-61-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-64-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-47-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-69-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/2464-68-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/2464-75-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-78-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-79-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/2464-82-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-85-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/2464-88-0x0000000000400000-0x0000000000642000-memory.dmp

            Filesize

            2.3MB

          • memory/3924-51-0x0000000002350000-0x0000000002351000-memory.dmp

            Filesize

            4KB

          • memory/3924-7-0x0000000002350000-0x0000000002351000-memory.dmp

            Filesize

            4KB

          • memory/3924-49-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB