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Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/12/2023, 11:56

General

  • Target

    f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.exe

  • Size

    7.2MB

  • MD5

    7103cca9f43fefae6305527ebc3891d0

  • SHA1

    a40992f9909124289eeea9f5d820c628e0bdf0b4

  • SHA256

    f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779

  • SHA512

    d8bef8a1098ed4f26519eed025b1bd20569f64ff752ca976ba481371222c58d1ae988a677d659a83402552cf1feb5c91f378abd984ef7caccd777c3be330e406

  • SSDEEP

    196608:dxm5vSfkhLnRaUXNvQKOmYuX5ORBs2J32NS8Pu2XYeWs8hckg7inWzj:0Sfs8WIKOluX+stSCvR9L9GnWzj

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\f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.exe
    "C:\Users\Admin\AppData\Local\Temp\f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Local\Temp\is-ANBNE.tmp\f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ANBNE.tmp\f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.tmp" /SL5="$5021C,7264750,121856,C:\Users\Admin\AppData\Local\Temp\f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4664
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3044
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2328
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4040
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:5116
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4260

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        70fb55504eea6aae5921766f91482193

        SHA1

        02f33a7c5b771b1a119affbadb3d46cf045a5ca5

        SHA256

        8528ed15b96e3fd0966650c356a7485d43fa80d7f5cfbfe9cc6c047e0d14de7e

        SHA512

        57594ccfc41bb478fe2c49c42ad9b3aaa5890796bde970d6e994cb50e4afff4baa387e0c18b373d792468d42b8124c08719c827c0936a09d80c7752188ba742e

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

        Filesize

        1.6MB

        MD5

        537be4582dbbc104cc8ca43919ee1c55

        SHA1

        e2f799b3ed30cd4200afd34bfe4e92c5e4fd557c

        SHA256

        ab35d93ca063a54a0e2c3ba15bc824cf9fb30df578f4e0a50b556e552683b647

        SHA512

        a2d3bfd5d2759ae9e9f1d175fe0ce654d47d899428657cc87c87d22e749b975dc758cf15450db418b164afc64a4c6b1f0f0436632f6deb08e3821ba912d43d97

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

        Filesize

        2.1MB

        MD5

        aab955261cc696267ab7c34d093f9471

        SHA1

        8e393fa53d5ca9799813e76cc3beb538a2b43a9a

        SHA256

        0a46428420254eeae5101f2e3778b3a111b8b368af9c7c397d564698d6047e59

        SHA512

        830152e5f1ada7ec73e80302c78a0f903f0145200cb17ae6dca8c0afdeefd931bc7bef8e741b63034a1db85e88cefcdef4eb9b4f2dfdda55126bbcacab259868

      • C:\Users\Admin\AppData\Local\Temp\is-ANBNE.tmp\f72237bee311662ccceb38e84c9d9b951ae7a8d09b20a5ab69b2fb4cfc787779.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1912-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1912-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2328-150-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2328-151-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2328-154-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2328-153-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-181-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/4260-178-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-206-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-160-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-203-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-164-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-165-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-168-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-171-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-174-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-177-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/4260-157-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-200-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-184-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-187-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-188-0x0000000000910000-0x00000000009AE000-memory.dmp

        Filesize

        632KB

      • memory/4260-191-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-194-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4260-197-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4664-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4664-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4664-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB