Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 13:36

General

  • Target

    25cb7192c8f7a3bfec2a4817f8552ca7.exe

  • Size

    2.2MB

  • MD5

    25cb7192c8f7a3bfec2a4817f8552ca7

  • SHA1

    cc221059563e9e8025805a42a9a46154feedd55d

  • SHA256

    8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4

  • SHA512

    fafea40044db5c00ae813ed91da0aeb40eb35602dc4265a5a0d50f95c13cfe878d079e45f42c1eb533dc366f88576f00ab539122783aece8c46b338ef458687f

  • SSDEEP

    49152:32mFbq6TKK/DUgI/Guo+HoJ7P7Ea2ieZl53e7D:m+b1TKqqGXkopP2iex3c

Malware Config

Extracted

Family

socks5systemz

C2

http://aiisbpm.ru/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff10c0ed9c

http://aiisbpm.ru/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86e993864d865a8bbc896c58e713bc90c91c36b5281fc235a925ed3e5dd6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ed959b3bcf66

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\25cb7192c8f7a3bfec2a4817f8552ca7.exe
    "C:\Users\Admin\AppData\Local\Temp\25cb7192c8f7a3bfec2a4817f8552ca7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\is-1O0GJ.tmp\25cb7192c8f7a3bfec2a4817f8552ca7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1O0GJ.tmp\25cb7192c8f7a3bfec2a4817f8552ca7.tmp" /SL5="$40150,1960984,54272,C:\Users\Admin\AppData\Local\Temp\25cb7192c8f7a3bfec2a4817f8552ca7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2708
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.6MB

          MD5

          70f9fd2e4872edd94f95e86be4666306

          SHA1

          7d3416bade08cbdf81063a6c16ff5caa6f34fe79

          SHA256

          3ca0e2329788f0fc166d835f5237f620bfe8e9a2a749288d19e06e25dd5fd8c4

          SHA512

          b0447a5f4f5f238fd61ef79e7a148232a74e91b19e85a2af3e90cbf7d831ce27ac642cd01e9b12f4d294057328cf4b3d8dc817e0a6e1f37c17ae1126295e819e

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

          Filesize

          2.2MB

          MD5

          21fd5e2dba33cafdfc9574a3eb37aac5

          SHA1

          ac88f469467f09dc782024e5a6c78bdda925563a

          SHA256

          f338953864a2015f9d3a1a9543dd321c9fbc81123f8c3f303a741bef11ff60e7

          SHA512

          430f4ad309d8e42c5e7e31d5eb555db1dfcf4dc00d4398104ffce23c39a91340f360071bf138fe79e0385bc0cd2e29de89166f3d67fa8deb9bf11f08f65a998a

        • \Users\Admin\AppData\Local\Temp\is-1O0GJ.tmp\25cb7192c8f7a3bfec2a4817f8552ca7.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • \Users\Admin\AppData\Local\Temp\is-Q3N6N.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-Q3N6N.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/1160-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1160-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1672-12-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/1672-43-0x00000000034D0000-0x0000000003712000-memory.dmp

          Filesize

          2.3MB

        • memory/1672-57-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/1672-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2708-45-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2708-44-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2708-48-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2708-49-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-60-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-81-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-53-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-51-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-61-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-64-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-67-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-70-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-73-0x0000000002650000-0x00000000026F2000-memory.dmp

          Filesize

          648KB

        • memory/2996-75-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-76-0x0000000002650000-0x00000000026F2000-memory.dmp

          Filesize

          648KB

        • memory/2996-56-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-84-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-85-0x0000000002650000-0x00000000026F2000-memory.dmp

          Filesize

          648KB

        • memory/2996-88-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-91-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-94-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-97-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-98-0x0000000002650000-0x00000000026F2000-memory.dmp

          Filesize

          648KB

        • memory/2996-99-0x0000000002650000-0x00000000026F2000-memory.dmp

          Filesize

          648KB

        • memory/2996-103-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2996-106-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB