Analysis

  • max time kernel
    143s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 15:20

General

  • Target

    942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.exe

  • Size

    7.2MB

  • MD5

    b60f686390a8dbe26bcbeccb8d05b9cc

  • SHA1

    e8fc1d6538dcfe007d88d34d73b96d7472e41db9

  • SHA256

    942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190

  • SHA512

    acf3a11a9414301c919513d77d7194c4ff3cb51c979577c62f2e40cf4acea5a1dc1bb6a2cf8ce7988a3754c1212065996abf232969eebf245910f7d98efbfc9a

  • SSDEEP

    196608:jxm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:hcjEEAJWEh65C30GW9lCkzj

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\942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.exe
    "C:\Users\Admin\AppData\Local\Temp\942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\is-O5NN3.tmp\942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-O5NN3.tmp\942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.tmp" /SL5="$B0062,7269570,121856,C:\Users\Admin\AppData\Local\Temp\942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4492
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4408
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4968
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2668
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:1532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.4MB

        MD5

        d4fb4e5d808c8059674d45888d4e7ea5

        SHA1

        7125e7561a82c5c3a66da401116895ec81fc4701

        SHA256

        624cf719788f9b714f72744c4b05cee7a595a26b2ff1806e1330b7ef609d8be1

        SHA512

        1a5bd6f0a9b86f3b7e6ec85f226d421568df573c49cba3f76954fb911252ce89d9be70ced8d3a601fc132874eaf638f0dd6310941f23a77ae5f43f429856b243

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.0MB

        MD5

        2d8c9b568e7b466a6f2a04200241b448

        SHA1

        c7692b19550086742242f5588ce27c3c221be124

        SHA256

        353662c8cecb405f5455e5a592a502f3d6de80bd9df8890969477329a726be26

        SHA512

        81cd0775db0590da538ba9b11c04d55eb61908af7b7a2de1e8d2dcb163b81ba9478c417e625f42d800aa564029c051ce6c6590936fabde8d3012a69ce848be53

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        815KB

        MD5

        76ea88d31077afa22581b085f3af9ef0

        SHA1

        3ec778967d9982bd37df16addd6401552e5b61d8

        SHA256

        354c05a77ca553d9e107f9b3377bcf121d45dbc6d7273eb8c640219b8d14ea0f

        SHA512

        424dc79121489e158cb062f4bf7b97f6dac870edde080aff6796f9da0ea043f1898cc675d2b51ac985779b7b1c8352547e53f1eda3e87293aeb01689a5701088

      • C:\Users\Admin\AppData\Local\Temp\is-O5NN3.tmp\942eb93e09ac35ef4c0f85bd2b2720055d99d87502864e931e944eceb1bfd190.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-34S1T.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-34S1T.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1728-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1728-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4408-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4408-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4408-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4728-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4728-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4728-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4968-178-0x0000000000830000-0x00000000008CE000-memory.dmp

        Filesize

        632KB

      • memory/4968-179-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-182-0x0000000000830000-0x00000000008CE000-memory.dmp

        Filesize

        632KB

      • memory/4968-185-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-188-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-189-0x0000000000830000-0x00000000008CE000-memory.dmp

        Filesize

        632KB

      • memory/4968-192-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-195-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-198-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-202-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-205-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-208-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB