Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 02:07

General

  • Target

    fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe

  • Size

    2.2MB

  • MD5

    63e8b616cf52885a6e08c0fa8035bba9

  • SHA1

    d1c0d63e590a28cfc44abaa90f05e6d6e8677672

  • SHA256

    fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088

  • SHA512

    3daaf2a5658956b8ee69f5a087b1d4bc289b07e633d662c7a739890bd13aa80ae6111d9541c71399f223795aff86036c45057d2b11025075fd981888934a2a48

  • SSDEEP

    49152:32TsLSQNQWFvBNHiS0uO7a1n4XRApYm0hSUKvbko4tH:mQtKWF7Hr87NXRAOm02EtH

Malware Config

Extracted

Family

socks5systemz

C2

http://bbqvagk.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc13c5ef9c

http://bbqvagk.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12eab517aa5c96bd86ef91804f815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec96983ecd66

Signatures

  • Detect Socks5Systemz Payload 5 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\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe
    "C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\is-TUFOU.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TUFOU.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp" /SL5="$50150,1993719,54272,C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2720
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.0MB

          MD5

          034e077c7db775b1c4aac74421d7e4b8

          SHA1

          b066d6bf7ee72f19fbf5097c417da59ebc0367e4

          SHA256

          d26d228ea4c6b5934cb256b7d943f820465d9ed5331c1379476169533e2e0269

          SHA512

          8878e4136ae5d6b2e5bd02901340c1f87396c92ac37e6ab784fb7279c4df1d659f34678aa4477be9811acbbc7bad32504165f833e8a0f6a836debdc3bedc6335

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

          Filesize

          1.4MB

          MD5

          9acf2c19e78ec664f8a14b651cd2bf49

          SHA1

          8a11e29086baddb63ca32c5c98da3f14ce5f92f9

          SHA256

          408e31c11aa855f4ee4152bdab1fa30a6817746de54c16c6b84a1c864df44271

          SHA512

          e890f1c2c694d42cc46e82c1a75112e5bedb4e041e04e5ee39472c6bed99aca73509bb6d352f0720a27fe6f693e04d66ee2f380c313fda6fd72c3f1ea25fdffb

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

          Filesize

          2.2MB

          MD5

          8e349bff47839474545f2217a5bddcc5

          SHA1

          4ac10a9dbb090a56c5139c00c81bf35eb35bf359

          SHA256

          ba225cea18c80260836604d13bcc8d9934741be009ee19fed27af92952c44c05

          SHA512

          6cf7cc4abcb7b3f3b3d15676c408dac175a2f9192ef61c7a87786f5d129e17e7be75d9b256b8c95e05b4d606a4abfbf740ac05e298fc624754baee117573a453

        • \Users\Admin\AppData\Local\Temp\is-SB00I.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-SB00I.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-TUFOU.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • memory/1788-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/1788-58-0x00000000035A0000-0x00000000037E0000-memory.dmp

          Filesize

          2.2MB

        • memory/1788-43-0x00000000035A0000-0x00000000037E0000-memory.dmp

          Filesize

          2.2MB

        • memory/1788-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/1788-12-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2292-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2292-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2564-68-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-76-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-51-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-107-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-56-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-104-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-100-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2564-61-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-62-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-65-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-99-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2564-71-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-74-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2564-53-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-77-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2564-82-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-85-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-86-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2564-89-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-92-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-95-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2564-98-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2720-44-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2720-45-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2720-48-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2720-49-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB