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Analysis

  • max time kernel
    145s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 04:46

General

  • Target

    5f4371e9fcc21652c9fb3867f64d4941.exe

  • Size

    4.5MB

  • MD5

    5f4371e9fcc21652c9fb3867f64d4941

  • SHA1

    a19d69302a3993f2aca91d73bdc128e47b6ce174

  • SHA256

    9397e1a3bd7e94ae5213d8dc4edef5e73fe8c6f0306196a1ffae832a3976e9ac

  • SHA512

    3c736528fd01383b6fb37a30b306ccd0cfa6b2129cea650263d0a5488e1052c6348acac115ad394c7c70b647d42dc55f4811bd2321b11c3c4c6a37f9c8d21536

  • SSDEEP

    98304:QDC5jNxoKkMBuu/KJmiuK3gqLkWSTGHVs49M4dm8:YCj6KPBuh8XUgqLXHLM4dD

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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.

  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f4371e9fcc21652c9fb3867f64d4941.exe
    "C:\Users\Admin\AppData\Local\Temp\5f4371e9fcc21652c9fb3867f64d4941.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\is-ALCPP.tmp\5f4371e9fcc21652c9fb3867f64d4941.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ALCPP.tmp\5f4371e9fcc21652c9fb3867f64d4941.tmp" /SL5="$30150,4446766,54272,C:\Users\Admin\AppData\Local\Temp\5f4371e9fcc21652c9fb3867f64d4941.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 1103
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 1103
          4⤵
            PID:2932
        • C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe
          "C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2884
        • C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe
          "C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe

      Filesize

      648KB

      MD5

      fa32d12b2dd88c3a6c022a5eca44ec2e

      SHA1

      0b755b61a8281075ee01d7e717a93a8087883e68

      SHA256

      46a782559d3f61a55faa65da4ee89b1e058874fdeea33ac285dd27c440cc0739

      SHA512

      09d9077443acae7b64193587c42aa83c88b7e3821294d41b3c3f29eaad6c666b3d497165b17cf2eae853c53d0570da9b5044c955255de0b2787b96dbe2776191

    • C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe

      Filesize

      74KB

      MD5

      a56aa62a6261a89638cd55d932a94e44

      SHA1

      068a3db90c26b8520c80ebab9ca687bde78e4e13

      SHA256

      ba34b5f671cbd5eca78f481a450efda1b75d1c1995850e49f967460a04e2eaa0

      SHA512

      9c28aafb152324139c08400e7c404cb6ef2437dde614f6649dd4f0da3a2e8dc2386ee5e3edb83e31bf3cdc25b259f58ed0e4c4a7505a96b55ddea8fd756e8ed2

    • C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe

      Filesize

      645KB

      MD5

      8242d28a7ea8a052b8f60c0839b31584

      SHA1

      a946f25f2fccd6071eee92201e9b2563f146e3be

      SHA256

      0c4ed52165a0d8d86a2f69ed8242ebf9922787b33ed92b2d478b2aa113442d28

      SHA512

      b47e868de1f45ba935d03dc41ecfbbe91292e6d4229a3124fb5d7ed6db99c5206a53255e5e38ad174e92c78d91faeb163bdf75570d88d1eae7566231ff3ac5b3

    • C:\Users\Admin\AppData\Local\Temp\is-ALCPP.tmp\5f4371e9fcc21652c9fb3867f64d4941.tmp

      Filesize

      688KB

      MD5

      a7662827ecaeb4fc68334f6b8791b917

      SHA1

      f93151dd228d680aa2910280e51f0a84d0cad105

      SHA256

      05f159722d6905719d2d6f340981a293f40ab8a0d2d4a282c948066809d4af6d

      SHA512

      e9880b3f3ec9201e59114850e9c570d0ad6d3b0e04c60929a03cf983c62c505fcb6bb9dc3adeee88c78d43bd484159626b4a2f000a34b8883164c263f21e6f4a

    • \Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe

      Filesize

      1.6MB

      MD5

      318cd1cf0a1e96ed5bfbf8679833e385

      SHA1

      e4b6d1aa044843c7c774c81625b2bd1bcf7d48dd

      SHA256

      af654c7a101f940b8acddfdcaf730f3df80f4fe6993597cba96f00fd2bfad982

      SHA512

      1407d7252af6f84a4f55c9eccf18a092a6404414283b09dfdba201718196e13c9a2605bb53a409246db59f0b2234027ffa4bb9f669cb9c17c45840ff02cd0025

    • \Users\Admin\AppData\Local\Temp\is-ALCPP.tmp\5f4371e9fcc21652c9fb3867f64d4941.tmp

      Filesize

      608KB

      MD5

      b43d74fa6adb3f52af55acba5a74d660

      SHA1

      63975bbf05865fce22ffa58e13a93762ffb8cb0b

      SHA256

      835f1f672859761160dd969febb80c99f64681bf1e3269a30edb9a40990a3c73

      SHA512

      b8923b0c2c63211300556b60f05c9673a4e4d73c2e2d652fdf42e256fe1e70796ce68644a9282eed6dd5b85c28d8b14f6175f7addc01da816b91dfdb4bb00166

    • \Users\Admin\AppData\Local\Temp\is-MGD4P.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • \Users\Admin\AppData\Local\Temp\is-MGD4P.tmp\_isetup\_isdecmp.dll

      Filesize

      13KB

      MD5

      a813d18268affd4763dde940246dc7e5

      SHA1

      c7366e1fd925c17cc6068001bd38eaef5b42852f

      SHA256

      e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

      SHA512

      b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

    • \Users\Admin\AppData\Local\Temp\is-MGD4P.tmp\_isetup\_shfoldr.dll

      Filesize

      22KB

      MD5

      92dc6ef532fbb4a5c3201469a5b5eb63

      SHA1

      3e89ff837147c16b4e41c30d6c796374e0b8e62c

      SHA256

      9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

      SHA512

      9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

    • memory/1632-155-0x0000000002730000-0x00000000027D2000-memory.dmp

      Filesize

      648KB

    • memory/1632-161-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-184-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-181-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-177-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-174-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-171-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-132-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-168-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-167-0x0000000002730000-0x00000000027D2000-memory.dmp

      Filesize

      648KB

    • memory/1632-135-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-164-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-156-0x0000000002730000-0x00000000027D2000-memory.dmp

      Filesize

      648KB

    • memory/1632-140-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-141-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-144-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-145-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-148-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-151-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/1632-154-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/2288-137-0x0000000002EC0000-0x0000000003089000-memory.dmp

      Filesize

      1.8MB

    • memory/2288-136-0x00000000003C0000-0x00000000003C1000-memory.dmp

      Filesize

      4KB

    • memory/2288-134-0x0000000000400000-0x00000000004BC000-memory.dmp

      Filesize

      752KB

    • memory/2288-8-0x00000000003C0000-0x00000000003C1000-memory.dmp

      Filesize

      4KB

    • memory/2288-122-0x0000000002EC0000-0x0000000003089000-memory.dmp

      Filesize

      1.8MB

    • memory/2652-1-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2652-133-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2884-124-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/2884-129-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/2884-128-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB

    • memory/2884-125-0x0000000000400000-0x00000000005C9000-memory.dmp

      Filesize

      1.8MB