Analysis

  • max time kernel
    143s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

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

General

  • Target

    6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe

  • Size

    2.0MB

  • MD5

    295e0a6b24d257762e105940104b3474

  • SHA1

    f069fafdc6b2ddec149344f9a72a568ba9689373

  • SHA256

    6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c

  • SHA512

    0091be0aed7b3448b1ce0fbf4a13a2f87cd563f4a6dea2b36c497fda663ce4217a14e6022f433ce4e1916b5e9bf96a84e6e2545fa240ff8f43671b888edb54d3

  • SSDEEP

    49152:32yPZXKlPAQi3UdbOOjkpRs9vsIOUoGM5M:myPZXKlPldKmkvsxsIOU0M

Malware Config

Extracted

Family

socks5systemz

C2

http://ckdecad.net/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfd18c9e792

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\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe
    "C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\is-1G78S.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1G78S.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp" /SL5="$3013A,1728895,54272,C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2664
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2748

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

          Filesize

          1.5MB

          MD5

          c7b5e422c856c254c5c5ece224dfd218

          SHA1

          788cb554b64c295a7ab55edba8ccb2b533705d73

          SHA256

          b2379fc1d256ae0c3580ceffa991f70d2451ae16bd6b6e7371d7183f56e0a949

          SHA512

          58cd7a54edfbeb6c47ddeaf5f82edce8bb6083deec919ba1af623237e2acdba65997e3cb99a9d1b3754a0ee115605fd7041069661717dd3d3c6ec3ed890bc345

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

          Filesize

          974KB

          MD5

          2fc6356ce098ab2fdd3202c3ce36e6a8

          SHA1

          41ad89cd2b72423c9b33bfc0388a1f547ffa9faf

          SHA256

          fdadd30e1fc065dc41bc88559dced69a4ef7a0d51c842e16579ceb787cab861f

          SHA512

          2b297aa36748c4757e2483b4490578522d399425c1cf34b360c8eaafc0dca5d8337c2207972577aabb813de6301bc5eaf7c5b0be20e643cc54df44998a7abb11

        • \Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

          Filesize

          2.0MB

          MD5

          0e81e2d8117095ac40229a099eb0e435

          SHA1

          00dc652c42ac21dd028ac637c94d4d888a425eef

          SHA256

          f210ff1e50c2e1663bac2a858511c19c30e6b64e3161e4af6150150a50a9a584

          SHA512

          82aed29f1a59f25916bf1fda1b51c9b700a1d65e253439d9360ffc0429b651819b39e340cb2bca17f9030435ffc6ab19fb904cb7b773324c36aa01c1aecdb321

        • \Users\Admin\AppData\Local\Temp\is-1G78S.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2200-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2200-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2200-42-0x0000000003520000-0x0000000003724000-memory.dmp

          Filesize

          2.0MB

        • memory/2200-8-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2200-58-0x0000000003520000-0x0000000003724000-memory.dmp

          Filesize

          2.0MB

        • memory/2664-45-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2664-48-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2664-49-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2664-44-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-62-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-75-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-56-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-105-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-53-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-61-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-51-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-65-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-68-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-71-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-74-0x00000000025E0000-0x0000000002682000-memory.dmp

          Filesize

          648KB

        • memory/2748-102-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-77-0x00000000025E0000-0x0000000002682000-memory.dmp

          Filesize

          648KB

        • memory/2748-82-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-85-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-86-0x00000000025E0000-0x0000000002682000-memory.dmp

          Filesize

          648KB

        • memory/2748-89-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-92-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-95-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2748-98-0x0000000000400000-0x0000000000604000-memory.dmp

          Filesize

          2.0MB

        • memory/2940-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2940-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB