Analysis

  • max time kernel
    145s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 01:58

General

  • Target

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe

  • Size

    2.0MB

  • MD5

    603489e0ce3e4c942d3cb6badafb76f7

  • SHA1

    c1eb47d815760f03c49d892f7ffcd048ee7b24ac

  • SHA256

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6

  • SHA512

    dbeb9f836b0b39b48e7cdc1551477bac601907f7c3cd61736dd90b2ba68b5345078bc6223c01998aeccc8087bd2fd9c259e87d353d9391766707e3e4e3c81288

  • SSDEEP

    49152:32pF1TdGP/ATkjneFyIzQFzMGCjTHTjowMRmPCb8OKxRe7D:mpXT2YUpIzAMowGhbrKxRc

Malware Config

Extracted

Family

socks5systemz

C2

http://boyljnd.com/search/?q=67e28dd83a08f628140aae1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc10c9e89d

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
    "C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\is-JEJLB.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JEJLB.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$4014E,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2356
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2388

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.0MB

          MD5

          ecd25bbe932879f7b1104322f0338e11

          SHA1

          03e574a7f06a85bc0cbbabfb86e1cfb621031056

          SHA256

          31a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811

          SHA512

          e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232

        • \Users\Admin\AppData\Local\Temp\is-D0KJP.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-D0KJP.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-JEJLB.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/1668-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/1668-9-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/1668-43-0x0000000003510000-0x000000000371B000-memory.dmp

          Filesize

          2.0MB

        • memory/1668-59-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2356-45-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2356-44-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2356-49-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2356-48-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-70-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-74-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2388-104-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-56-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-53-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-60-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-63-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-64-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-67-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-51-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-73-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-101-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-75-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2388-81-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-84-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-87-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2388-88-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-91-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-94-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2388-97-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2868-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2868-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB