Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 14:41

General

  • Target

    7447d5db9ccf93f6a8ecf22ae9fec082.exe

  • Size

    2.2MB

  • MD5

    7447d5db9ccf93f6a8ecf22ae9fec082

  • SHA1

    0c3a044c669e1cce8e6d9ec103a9d3e587fa1acb

  • SHA256

    92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269

  • SHA512

    a8761937c73267aeeefb6093903c74c8e8119e65632e1130cb77617f4cf53c8a4a8f177cd464fe849b455bf430f28599d6433f2350fb5b348afa10f5070d0461

  • SSDEEP

    49152:32DbrhTeTjpdvbXKGJ1X2nIIT6yXaHs4NgJH:mDbrMjpdjJTX2n+VM4NgJH

Malware Config

Extracted

Family

socks5systemz

C2

http://airzuwu.ru/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff15c9ec9c

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\7447d5db9ccf93f6a8ecf22ae9fec082.exe
    "C:\Users\Admin\AppData\Local\Temp\7447d5db9ccf93f6a8ecf22ae9fec082.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\is-LL28S.tmp\7447d5db9ccf93f6a8ecf22ae9fec082.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LL28S.tmp\7447d5db9ccf93f6a8ecf22ae9fec082.tmp" /SL5="$70120,1943765,54272,C:\Users\Admin\AppData\Local\Temp\7447d5db9ccf93f6a8ecf22ae9fec082.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2700
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.4MB

          MD5

          b6b2a72b1573d42c24fe5487bffe5cc3

          SHA1

          40fc96591c9f6432e45dc42b6c1ffe579b692caf

          SHA256

          62e816ecaa0b48be90017cf1c26c2049545a518bce7ae68b3f8546761d69ec83

          SHA512

          11b674ec0e9cf91b953f125b2348a88a7e1d765820001131bd2165ad1fea2fd4fda96bf2d97f428163f05319f1b79f1b81c58abcd7d4d8538a2549d12bc19f0d

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

          Filesize

          2.2MB

          MD5

          4fb7c9f8330a5f6e5c1fd0b95f4bcebe

          SHA1

          e634bf322484061ef0bc5e32714c3f239b1142d5

          SHA256

          9e88759b12e04e21199bb9c536f5a0f56ca9e291fad87270573e94de1d79eb9d

          SHA512

          9eecf2791448a3020292fe7a90fb0966a21433f03ff9b4bf57ff5ed8f71b6cfdae985978a7547e3fd336ae9fa51f788841f9308bb264fcd0256121fb4b9ee46e

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

          Filesize

          1.9MB

          MD5

          eb006ab6bc3b384b8ae562fbc7ac1a88

          SHA1

          92cc438402777f486a0c3b67fb33880907dde137

          SHA256

          aa6e16bb2544457023bb50b30c8362c925db062a7131093cafb9f6ab85c6c9e7

          SHA512

          a5a957c58352b9b7808f1050feb9c153de2b3501d0d0237e57797be65bf64f1457047d1738037ffc5e8d4eeab5c36209e5fc8f588a84c9820f22318c31b4ec4c

        • \Users\Admin\AppData\Local\Temp\is-LL28S.tmp\7447d5db9ccf93f6a8ecf22ae9fec082.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • \Users\Admin\AppData\Local\Temp\is-TSAB0.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-TSAB0.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2428-87-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-83-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-100-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-93-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-90-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-103-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-80-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-51-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-74-0x0000000002670000-0x0000000002712000-memory.dmp

          Filesize

          648KB

        • memory/2428-86-0x0000000002670000-0x0000000002712000-memory.dmp

          Filesize

          648KB

        • memory/2428-54-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-96-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-73-0x0000000002670000-0x0000000002712000-memory.dmp

          Filesize

          648KB

        • memory/2428-59-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-62-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-63-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-66-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-69-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2428-72-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2456-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2456-52-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2560-56-0x00000000033F0000-0x0000000003629000-memory.dmp

          Filesize

          2.2MB

        • memory/2560-55-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2560-53-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2560-42-0x00000000033F0000-0x0000000003629000-memory.dmp

          Filesize

          2.2MB

        • memory/2560-7-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2700-48-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2700-45-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2700-44-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2700-43-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB