Analysis

  • max time kernel
    154s
  • 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, 11:26

General

  • Target

    d85357190e6be1331036f8cf9225d5c2.exe

  • Size

    2.0MB

  • MD5

    d85357190e6be1331036f8cf9225d5c2

  • SHA1

    f5c994accc9fc16df9cd4f3e9e13fdea952c17be

  • SHA256

    d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

  • SHA512

    82dbbd85980edda224365afca6cd75a5f18c4d967a20aec7b2d180f559a90e3772a8c125cb59f03f7465bfee60b42cb93ed037a202f0e7c1bc7c68385430aa0c

  • SSDEEP

    49152:32VR72rAMT8ztu+OmTPjrF13w6GCDiIXSMr09sYe7D:mVR72cMT8zt8sF13wDCDiarQbc

Malware Config

Extracted

Family

socks5systemz

C2

http://bobvamm.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ec979e38

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\d85357190e6be1331036f8cf9225d5c2.exe
    "C:\Users\Admin\AppData\Local\Temp\d85357190e6be1331036f8cf9225d5c2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\is-3OJLP.tmp\d85357190e6be1331036f8cf9225d5c2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3OJLP.tmp\d85357190e6be1331036f8cf9225d5c2.tmp" /SL5="$D0052,1779906,54272,C:\Users\Admin\AppData\Local\Temp\d85357190e6be1331036f8cf9225d5c2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2592
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3340
  • 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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1468

    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

            7d196988eb734b40f3cdeb7fcfca2ac7

            SHA1

            936ec9251680709686e08afee2b21947fba3d078

            SHA256

            d1c4a6fdab2ee9d3e29cff002c76f83ece20f08806a11d44432313ae43d061f0

            SHA512

            c91705865a852d3e3a0a4dec16d075705b78c9e5547b9e169896400c6080d4c28b2c58183ac837ab1f858b06ecd5f68d5495a6534dd145ef3c0f15c381d1e91e

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

            Filesize

            654KB

            MD5

            5c19aa654c7eb6615248d85fd146613f

            SHA1

            83f5ecf7acf78497d720616107d80424060cbaa2

            SHA256

            103368c032198f3ed267ee8d3cb512fe540a20790514a3a9d2de38aedbf9f215

            SHA512

            b62700deac947af213090e4f33ce6c13438af7105624da11972c925f8e96b9dbd463babea3c035ad8ef5097d3f1b70f8c2d89b4df22b442a8afd7e653a363d59

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

            Filesize

            8KB

            MD5

            0fa3089df4d717485d2b8033e93e5a7f

            SHA1

            4437273ba6db118d1b3bdbe8e083403853503974

            SHA256

            cffbaf01dd866fc8afd7a8420578fe4d4bd3995d9b39b434d225ec39ab5e2589

            SHA512

            fe5c3f601d6195c171e3772ce59a97fc1a0c54a9729deb2926fccfb7fb53a4365c09c9e8e51fd3a608c6b4c937b5eacebb79183fad1d7075eb1224c8a2f3b85c

          • C:\Users\Admin\AppData\Local\Temp\is-3OJLP.tmp\d85357190e6be1331036f8cf9225d5c2.tmp

            Filesize

            677KB

            MD5

            92f7775908bb12183914bb0753782913

            SHA1

            8d1091da36832942d48f2fe9a1a216fdd556b9c4

            SHA256

            a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

            SHA512

            7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

          • C:\Users\Admin\AppData\Local\Temp\is-UI34Q.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/548-7-0x0000000002340000-0x0000000002341000-memory.dmp

            Filesize

            4KB

          • memory/548-51-0x0000000002340000-0x0000000002341000-memory.dmp

            Filesize

            4KB

          • memory/548-48-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB

          • memory/1464-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/1464-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/1464-47-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2592-40-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/2592-38-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/2592-43-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/2592-39-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-66-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-73-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-54-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-55-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-57-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-60-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-63-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-46-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-67-0x0000000000760000-0x0000000000802000-memory.dmp

            Filesize

            648KB

          • memory/3340-50-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-76-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-78-0x0000000000760000-0x0000000000802000-memory.dmp

            Filesize

            648KB

          • memory/3340-81-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-83-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-86-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-89-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-93-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB

          • memory/3340-96-0x0000000000400000-0x0000000000619000-memory.dmp

            Filesize

            2.1MB