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
  • Sample240323-nfzzsaff29
  • SHA256 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4
  • MD5 SHA1 SHA512 SSDEEP

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

          colorpicker.exe

          • Path C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
          • Size 2.2MB
          • SHA256 d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d
          • MD5 SHA1 SHA512 SSDEEP

          colorpicker.exe

          • Path C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
          • Size 1.6MB
          • SHA256 6ddc5e9e7a57881e03a53b843418751d7f07695f09bcc70c09b9523a07a01522
          • MD5 SHA1 SHA512 SSDEEP

          colorpicker.exe

          • Path C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
          • Size 320KB
          • SHA256 50885301504f0043653a7acd2aeb6d6af4b2cb8ef957c462ff58ea95bb5d5b23
          • MD5 SHA1 SHA512 SSDEEP

          _iscrypt.dll

          • Path C:\Users\Admin\AppData\Local\Temp\is-OCPCC.tmp\_isetup\_iscrypt.dll
          • Size 2KB
          • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
          • MD5 SHA1 SHA512

          9357e67e1024655f3302a794adc9c8da.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-U34LO.tmp\9357e67e1024655f3302a794adc9c8da.tmp
          • Size 677KB
          • SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
          • MD5 SHA1 SHA512 SSDEEP

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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