Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 11:26

General

  • Target

    9e8ff48c9d1e5d038c8dfabf68eb03dd.exe

  • Size

    2.1MB

  • MD5

    9e8ff48c9d1e5d038c8dfabf68eb03dd

  • SHA1

    fbd2bf503a35a325a43fe5570da654f9b080d553

  • SHA256

    54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4

  • SHA512

    11401d38d069fe211ec4e9e91c9153463d7db5a72196cb4c2f1339ae05fbf9a8be7af4f6284b839b844e11dd3c0debfeb510f160fe4572ea9bca0a85c7974b6a

  • SSDEEP

    49152:32m/7tt7CbxyTitGhOLx2GsE1y+f4A2xEhoOJae7D:mOvGbcTmFkEYFwac

Malware Config

Extracted

Family

socks5systemz

C2

http://aifziaj.ru/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff612c2ed9c

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\9e8ff48c9d1e5d038c8dfabf68eb03dd.exe
    "C:\Users\Admin\AppData\Local\Temp\9e8ff48c9d1e5d038c8dfabf68eb03dd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\is-C4OLU.tmp\9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-C4OLU.tmp\9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp" /SL5="$5014E,1794777,54272,C:\Users\Admin\AppData\Local\Temp\9e8ff48c9d1e5d038c8dfabf68eb03dd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2568
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2624

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.1MB

          MD5

          96c16e2bceadd4e59d87afb9875a8b25

          SHA1

          48724af63b06f21b42596e34a698457d380ccae0

          SHA256

          f62ba6f6c6b7637faee1a92c764f2c925ccb81a200d1b1181a21a44116e51424

          SHA512

          8c991e1449671373a78dec2248d67ba787e512a473532a83a20f995f41c1fcd01be729dbaa28db38d8c8ccc42fe2279dc9a4d462d7337422015474512a0a05b2

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

          Filesize

          379KB

          MD5

          2c6bb18b54802d3d0dfd8043de009c4e

          SHA1

          7cdf404839eeb1502bc99d9a7f6c2112214e2733

          SHA256

          a7d57c125fc3db83ec4fd447e59c30600e02341fdae94a99b0b9e39b87d1df4e

          SHA512

          31f41d9e5e9d548414fe84428ef91a130410fd522fa4d474b1c25070cdab5712b6231c4608476a2e8f4b89c245db77ea44bfa8227aa94acbc63495464a4e053b

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

          Filesize

          2.1MB

          MD5

          2b9cd72d2188e739c982dd6eeb7d734b

          SHA1

          fcb9b736c8987c20cac62abb17726917fe0ed224

          SHA256

          f9eee992963a615a1bbcddfd7bb18ee977d2c207602bdb19fcc76aa52f54bdbc

          SHA512

          32296c818ddb1daf53837f387b73e03ee2dbd878031278dab979c172ab928d86f63f04190ceaea967ffb143ffde25d9a283c1f92d6d7bb354e936c39b779d341

        • \Users\Admin\AppData\Local\Temp\is-C4OLU.tmp\9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • \Users\Admin\AppData\Local\Temp\is-QF4PH.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-QF4PH.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/1768-57-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/1768-42-0x0000000003550000-0x0000000003761000-memory.dmp

          Filesize

          2.1MB

        • memory/1768-12-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/1768-58-0x0000000003550000-0x0000000003761000-memory.dmp

          Filesize

          2.1MB

        • memory/1768-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2372-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2372-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2568-45-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2568-48-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2568-49-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2568-44-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-62-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-75-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-61-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-51-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-65-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-68-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-71-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-74-0x0000000002690000-0x0000000002732000-memory.dmp

          Filesize

          648KB

        • memory/2624-56-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-76-0x0000000002690000-0x0000000002732000-memory.dmp

          Filesize

          648KB

        • memory/2624-82-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-85-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-86-0x0000000002690000-0x0000000002732000-memory.dmp

          Filesize

          648KB

        • memory/2624-89-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-92-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-95-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-98-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-102-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2624-105-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB