Analysis

  • max time kernel
    147s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 01:49

General

  • Target

    24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe

  • Size

    2.0MB

  • MD5

    587a7d1a4bba6440512fd5e0c1335f8d

  • SHA1

    9a51b01a79c54e4c75a84e5adbbb5fc55e0c6306

  • SHA256

    24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c

  • SHA512

    7f2a3e4ce40b49150abf66752e74062d85da8754447b5b6cd23c83d48d2a500c614f58eab4e52d43069c8f0be3ee7c0c9a0a6b972c24ccd05dcfc0c6b7df9107

  • SSDEEP

    49152:32SWtN598t4X2HVLbkidv6DqFG25GpshOwSNmhdFwWHM:mSfrm8vEq2pshFOeM

Malware Config

Extracted

Family

socks5systemz

C2

http://ckhkerb.net/search/?q=67e28dd83958f721120bac1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f471ea771795af8e05c647db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc10c4e892

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\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe
    "C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\is-3MPLN.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3MPLN.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp" /SL5="$70126,1748293,54272,C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2488
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2692

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.0MB

          MD5

          871fd344700785c54d1bf670315fb68c

          SHA1

          a7b83a9961ae703a642a06aa9e0c669d4641dfe9

          SHA256

          fdc767beb7a18a284c43a49fdf13bf4b97d44e7a593fbdcaa9fec31f42549255

          SHA512

          c5248d45f759def945a4040ffd3c13699af8630daf93aef73a8e5e8b93854209285ee89bac8110d47b85d4cd34bbe9285518cde2d50fc05f292d488af7e6bab5

        • \Users\Admin\AppData\Local\Temp\is-3MPLN.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

        • \Users\Admin\AppData\Local\Temp\is-UO24H.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-UO24H.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2056-8-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2056-42-0x00000000033E0000-0x00000000035ED000-memory.dmp

          Filesize

          2.1MB

        • memory/2056-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2056-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2184-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2184-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2488-45-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2488-46-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2488-44-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2488-49-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-70-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-76-0x00000000021F0000-0x0000000002292000-memory.dmp

          Filesize

          648KB

        • memory/2692-53-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-60-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-63-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-64-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-67-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-51-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-73-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-56-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-77-0x00000000021F0000-0x0000000002292000-memory.dmp

          Filesize

          648KB

        • memory/2692-81-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-84-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-87-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-88-0x00000000021F0000-0x0000000002292000-memory.dmp

          Filesize

          648KB

        • memory/2692-91-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-94-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-97-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-101-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB

        • memory/2692-104-0x0000000000400000-0x000000000060D000-memory.dmp

          Filesize

          2.1MB