Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 02:18

General

  • Target

    9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.exe

  • Size

    2.2MB

  • MD5

    f3f25d297e62930f87471d53806c9a40

  • SHA1

    595ed64b276faac81f0a2d6380f64295b0674119

  • SHA256

    9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8

  • SHA512

    c464f0880e7cac9a6efe7cf010a8660402d9f1921112d386f491a93de8c7cbf49961490315951604a5c0f2f548be1faf87cd00c111e70dc86f291350b10d006e

  • SSDEEP

    49152:32JVLn+sUNYgQEu8SQ1MaoHd82o4vEoO9iws+SmL967+NHz1PncM:mJV7+srQuak1vEoFwzL9++N5PncM

Malware Config

Extracted

Family

socks5systemz

C2

http://bbnvsid.com/search/?q=67e28dd86a55a428420bf81f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f371ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc12c1ea90

http://bbnvsid.com/search/?q=67e28dd86a55a428420bf81f7c27d78406abdd88be4b12eab517aa5c96bd86ee948e45815a8bbc896c58e713bc90c91936b5281fc235a925ed3e50d6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec96993ac86a

Signatures

  • Detect Socks5Systemz Payload 4 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 19 IoCs
  • 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\9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.exe
    "C:\Users\Admin\AppData\Local\Temp\9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\is-V1C5H.tmp\9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V1C5H.tmp\9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.tmp" /SL5="$70120,1914285,54272,C:\Users\Admin\AppData\Local\Temp\9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2520
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2452

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          384KB

          MD5

          b51bb53db8015912cb74b241c1073bc3

          SHA1

          ae2017617119287face7f368e23722a414a19c9c

          SHA256

          d29e7f02af1063d29aad98e562ee15a3fdf2835a3d026742546b3d1c3ddea067

          SHA512

          63c274a0dceae23ae183b48e6356a670924b04675a52c3539f9c4a952e0d256de3e5eebd2e6916deb72e90506e9124060805e37592b768644710d91f5db5a16a

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

          Filesize

          2.2MB

          MD5

          10bf146172bcde2849cbfeb3cbac382f

          SHA1

          aae482c85194e288c3b8ceaf716d3482fe4abee6

          SHA256

          6ba8e8e7f8ec7b6c56afd67ee2b9869a249d0390b5a8d513d2937f100c600edc

          SHA512

          2df767f1cb9604a99ab1d5931515269f197c1fe8c443c35e256835d9aa2b20d6edf6724f2b2b5bfae832f27dc7e90e623c7656f907f07b537ac4d0772e001857

        • \Users\Admin\AppData\Local\Temp\is-88OFS.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-88OFS.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-V1C5H.tmp\9f03088fe6d06a375fcfeefb08d11cedf5b8865ddd29ec5e593309555c55d0e8.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

        • memory/2128-9-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2128-43-0x0000000003380000-0x00000000035BA000-memory.dmp

          Filesize

          2.2MB

        • memory/2128-58-0x0000000003380000-0x00000000035BA000-memory.dmp

          Filesize

          2.2MB

        • memory/2128-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2128-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2452-84-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-88-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-51-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-53-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-105-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-102-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2452-56-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-101-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2452-100-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-61-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-64-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-65-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-68-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-71-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-74-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-75-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2452-81-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-97-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-87-0x0000000002590000-0x0000000002632000-memory.dmp

          Filesize

          648KB

        • memory/2452-94-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2452-91-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2520-49-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2520-44-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2520-45-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2520-46-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/2992-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2992-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB