Analysis

  • max time kernel
    150s
  • 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, 11:11

General

  • Target

    ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe

  • Size

    2.2MB

  • MD5

    9357e67e1024655f3302a794adc9c8da

  • SHA1

    ed8eb9f4da01fd739d21e8684e95bd381e103402

  • SHA256

    ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4

  • SHA512

    c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e

  • SSDEEP

    49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc

Malware Config

Extracted

Family

socks5systemz

C2

http://bmundmb.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed969238

http://bmundmb.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949b32cf6c9e15

Signatures

  • Detect Socks5Systemz Payload 5 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\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
    "C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\is-02F1R.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-02F1R.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp" /SL5="$A0062,1972866,54272,C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4140
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1272

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\Temp\is-02F1R.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • C:\Users\Admin\AppData\Local\Temp\is-RRB8Q.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/1272-77-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-78-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/1272-99-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-96-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-92-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/1272-91-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/1272-90-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-46-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-87-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-84-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-49-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-81-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-53-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-54-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-57-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-63-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-67-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-66-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/1272-60-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1272-69-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/1272-74-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2488-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2488-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2488-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2816-7-0x0000000002240000-0x0000000002241000-memory.dmp

          Filesize

          4KB

        • memory/2816-50-0x0000000002240000-0x0000000002241000-memory.dmp

          Filesize

          4KB

        • memory/2816-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4140-43-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/4140-42-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/4140-39-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/4140-38-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB