Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 15:47

General

  • Target

    f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.exe

  • Size

    7.0MB

  • MD5

    48ce532665dd13e2c8c5971c035357d4

  • SHA1

    487a7a81431310685e899782c2dc4afe853b04d6

  • SHA256

    f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520

  • SHA512

    ba0ecd1124004ec9b73afce8e46b0a02d3d63ac5329963fa392dc08a32d3903e1d5693d236da14129bd6992922521bd45a59782c2905b78e88ce104c3fa0c58c

  • SSDEEP

    196608:xxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:e7RjWtfj95dLASWyzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.exe
    "C:\Users\Admin\AppData\Local\Temp\f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp\is-A377O.tmp\f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-A377O.tmp\f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.tmp" /SL5="$100056,7089240,121856,C:\Users\Admin\AppData\Local\Temp\f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2352
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2240
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1116
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4424
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1336

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        9bd6dc34fcea7f81a46d4f4ca7b76f39

        SHA1

        1e432ffe0f486352aa4103ea052a7d43cfe04366

        SHA256

        c01104008295bdf88fd00daa1d3aeb6314a87a4603908e143020dbecd43fc3e8

        SHA512

        47f6be45141eca71e789406d3749a6017221565ba77eaab08df3a6ed89e21b87e141b4d19f1e30dc85f805b72aa8f2b72841c06f64de50408c25f9458371a42e

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

        Filesize

        1.6MB

        MD5

        8d822d79f01ad7cd1b60653385960d90

        SHA1

        92ed1177ce7c4420e29211dcccfa920999f91e19

        SHA256

        932a5082c5852c2fe154580c21ec0e3ed1b87c5cbb9ce9c50ecf25961ec89e85

        SHA512

        45c90883ac5bc9d618d4173fa33657ef83bdad8c6a391e492b51884441ad50aaca5158c668ea38f54ba535d8d654745afc72ef7075d89ba34555a7b76a37d6b9

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

        Filesize

        1.2MB

        MD5

        59d9dcb8fdeab0ce1692e5ec901a5ae8

        SHA1

        7140b4d69562c0217b244e264701121afe67af13

        SHA256

        f92835a04d7f6f79ec9e9c8c0674ca9edcf896603948a64a8337fc5672a3357e

        SHA512

        b99840223f13d8d17d7c9153738197fdc4eb214a9ea96972a8186e46dfc47b016abb432c30bf896865da5f34a7edd8973bbdd1c48ce181ef98e834c3325764e4

      • C:\Users\Admin\AppData\Local\Temp\is-6S7N0.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-6S7N0.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-A377O.tmp\f24f122463f2679f44e1225adb45845a31fe9b7a8866e637e38231caf4945520.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/548-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/548-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/548-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1336-179-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-175-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-207-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-204-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-158-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-201-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-198-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-161-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-195-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-165-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-166-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-169-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-172-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-192-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-178-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/1336-189-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/1336-182-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/1336-185-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/1336-188-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2240-154-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2240-151-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2240-152-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2240-155-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2744-10-0x00000000020F0000-0x00000000020F1000-memory.dmp

        Filesize

        4KB

      • memory/2744-162-0x00000000020F0000-0x00000000020F1000-memory.dmp

        Filesize

        4KB

      • memory/2744-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB