Analysis

  • max time kernel
    143s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 08:59

General

  • Target

    7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.exe

  • Size

    6.9MB

  • MD5

    251cb555d3aba39348aa8ebed21c3597

  • SHA1

    f54556a9e5fb661913bda8828a6667a76e9e69d7

  • SHA256

    7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262

  • SHA512

    32aa59e6c012acc90887a9d6b9eff156ea8f7eb5c19464b28e8bb11e8714c2db6b9d176d2e499ed6d6504c668f842fd35e1e6b1ea4a2b408fa70e381971565fd

  • SSDEEP

    196608:hH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:YcOhoGE1ArRvqlgM7xtAT0Hzj

Score
7/10

Malware Config

Signatures

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

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.exe
    "C:\Users\Admin\AppData\Local\Temp\7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\is-NMP2D.tmp\7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NMP2D.tmp\7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.tmp" /SL5="$60138,6982471,68096,C:\Users\Admin\AppData\Local\Temp\7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4648
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2180
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3268
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4652
          • C:\Program Files (x86)\WMAFormat\wmaformat.exe
            "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4608

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.8MB

        MD5

        c343c906aaa2e2ac5b3ae9ab154c80a4

        SHA1

        b1ed930436a743821a403f3c185a222f41a2af44

        SHA256

        ea6a69b2b6f3893ac9963afcb168abc24e5c879ea1c600f6c54723564bfbe135

        SHA512

        df1ebb33e8675a5decd77cc66ba0befb7dad77442b5447009301123e868332a520dca4177b7db2fa9e39846b916daa2e77b172e238a251b80a40990931a94eb6

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.5MB

        MD5

        d258cecf5b4914715a3338846597a1fb

        SHA1

        a22199cbaf85423a0ae0ea55461a0181a2e748d2

        SHA256

        bc0687ec41de5e51dc9bc4393e7e6e211147104501cdbac60fc862be818e95db

        SHA512

        86a616252ac9f1ccdf0d761c2ce8cb5cfda05fa3291c5f03774c38377b31917b8a2d8df98cb8a127dd54bc7af254db5a4d03b3a01117a890d8f2f7e28af45fd7

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        898KB

        MD5

        1fd11ace0736fef47d828f13131b08dd

        SHA1

        25ea5c39929cf44f9f955a3216616c358782c3ea

        SHA256

        c64ac308c6c1d681e5ce041504ea34421dc704121a0f94ef229bfc0d37a459b2

        SHA512

        4e8e8b8b03bfb06dd7fda56dff5f8a216853b7479e5f44d453905f66d7988e8cdaab127f672712941f188e1f312a7ef47ae45dd128b4da724b261da3d6285080

      • C:\Users\Admin\AppData\Local\Temp\is-NMP2D.tmp\7ac19cc39a99717288095520ac4f8cb233cdc0601e438db914fa69e8c77d9262.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-G4DGI.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-G4DGI.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2180-150-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2180-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2180-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2180-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2780-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2780-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4608-161-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-178-0x0000000000720000-0x00000000007BE000-memory.dmp

        Filesize

        632KB

      • memory/4608-156-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-169-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-172-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-175-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-182-0x0000000000720000-0x00000000007BE000-memory.dmp

        Filesize

        632KB

      • memory/4608-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-189-0x0000000000720000-0x00000000007BE000-memory.dmp

        Filesize

        632KB

      • memory/4608-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4608-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5028-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/5028-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/5028-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB