Resubmissions

24/03/2024, 17:36

240324-v6mkpseb47 10

24/03/2024, 17:25

240324-vzb6dsea48 10

24/03/2024, 15:03

240324-sfgknagb51 10

24/03/2024, 14:25

240324-rrgjcsdb88 10

Analysis

  • max time kernel
    95s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/03/2024, 17:36

General

  • Target

    e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe

  • Size

    2.1MB

  • MD5

    530e5b703869db00c3b0814025c199c0

  • SHA1

    bacd94bd03b21e5f5ecae37acf070340f7f33222

  • SHA256

    e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46

  • SHA512

    8d5711efea6b95cb74f2b298dd193241f29941311009240787a7930ecbc625686b8f56a9807b711b351fbc2e964c3c817c253ccc75f9db1a5bdff2b9e9e550b8

  • SSDEEP

    49152:32IonT/SO6ZebdP47Q2jsCKC3LAxIJ57SCD7T0S/48I:mIZDZkQ70b1xInxD/48I

Malware Config

Signatures

  • Detect Socks5Systemz Payload 2 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • 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\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
    "C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\is-T4B3R.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T4B3R.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$5010A,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
        "C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2676
      • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
        "C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

          Filesize

          320KB

          MD5

          b75bd7a678e7bf6e81382433626db9f2

          SHA1

          230aa0be900b4411c7e63b101b4dd7bddd6b6bd9

          SHA256

          7cadfaaf77ce3b070b7a22121848854ad7aab455ef03a51740e1f630f3a3a53b

          SHA512

          366545e70aab3d93373295b21d1e1c8cbf862034618a79ed3dbeea68bd9ee28b8585bcb9e5b6ea6efc576b9a9c75957ec0954db5782ed1ba453cfe1203d44e8b

        • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

          Filesize

          2.2MB

          MD5

          f5accb44aea64489ee12bd31c9c3dbb7

          SHA1

          34341d42e3664cc7a1682af3a0c98e566fb96d26

          SHA256

          c8055d97a9d2d52abfccbef80d16a3f38d7c2108c1524c1e5aee14002aab98fe

          SHA512

          1edbe7b50dd0bb1170dd0da0eeb53c33e52401453c0d6bf9b7bf1dd5dad670180d026091d92d022cb43f17cc0aef9b80414b1ee2baa8d1f518d53ca2b195ade4

        • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

          Filesize

          1.5MB

          MD5

          c53ed8d0ca5a0b96c4102833f67ba819

          SHA1

          4ae11ab35d21180a67e8435d3af9f1d62f8275c0

          SHA256

          38cab3e2a8dc18c5d9ad6b46b73bf9068d0a6bfc3533f893005b0399efb1d18b

          SHA512

          a2cc6598b814140a2b58d65fbc886053d8c5f4713b00b6c2930713aa66f157ea302b1a2a5073b9b05016d5bea8bbaca403198e19019d99a56a1d7a5f7c56e296

        • \Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

          Filesize

          1.4MB

          MD5

          a22d5d885b83a0f4af74d943e18e015a

          SHA1

          2fe4de0036f3735446532be02a82d573716ad005

          SHA256

          7074c2e1fd69a23124adf14865331ca8e96f5871b0fa91261b2ea8779275f50a

          SHA512

          c5b2fcaf04846460c4bcaef3f55964c47f4d7f693b07804ec8003ec4d51b721c2d7550599d0cd6de95088960559cb01c9b64c38eabfac277aece5eacfe6f7198

        • \Users\Admin\AppData\Local\Temp\is-T4B3R.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp

          Filesize

          677KB

          MD5

          5a1e3d46cb5a24f8e50b2a59d2ba1cf3

          SHA1

          fe86894c4757c144449bc744649b7fb9e03346f1

          SHA256

          d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d

          SHA512

          a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2236-52-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2236-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2512-51-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-72-0x00000000021D0000-0x0000000002272000-memory.dmp

          Filesize

          648KB

        • memory/2512-86-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-83-0x00000000021D0000-0x0000000002272000-memory.dmp

          Filesize

          648KB

        • memory/2512-82-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-79-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-73-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-69-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-54-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-66-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-63-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-59-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2512-60-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2600-56-0x0000000003C70000-0x0000000003E9F000-memory.dmp

          Filesize

          2.2MB

        • memory/2600-55-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2600-53-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2600-11-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2600-41-0x0000000003C70000-0x0000000003E9F000-memory.dmp

          Filesize

          2.2MB

        • memory/2676-44-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2676-43-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2676-47-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/2676-48-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB