Analysis

  • max time kernel
    144s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 22:27

General

  • Target

    377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.exe

  • Size

    7.5MB

  • MD5

    78e25e2e9ec1187ae1c24fe51718613c

  • SHA1

    5ac7b4104b748340f2afe67c2e7f598aa1a499d6

  • SHA256

    377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9

  • SHA512

    ed70ba5dbb84fa9df31c0186026873c06e933e01320bcd302d626457ba42e16dc493c31b294e1b5eb9231d7405ccc72e07a2f30ad48efb6eba01e8fcdbec5947

  • SSDEEP

    196608:Wq/iLRC0OLkYNew6tjCtD2RQVsBp4UAzj:WHC9Lkuew6t2oCO9Azj

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\377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.exe
    "C:\Users\Admin\AppData\Local\Temp\377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Users\Admin\AppData\Local\Temp\is-SC712.tmp\377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SC712.tmp\377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.tmp" /SL5="$70206,7577497,68096,C:\Users\Admin\AppData\Local\Temp\377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:720
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1272
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4788
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1508
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4996
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2456

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        1.8MB

        MD5

        64714df63480d2a098c4b439c76a2f07

        SHA1

        d435f621cf028ba5b8fa5ac5567424c26e64e28d

        SHA256

        777aaff4f182e7b1fb4f9e9cd5e0b94a75d60c6e3362a4c603a8e8aacfb56111

        SHA512

        523597ba9b362ee7a3f13a9bcd5ce5e680b61dd2ef938942fca3d67a86c56ca89ed81a8f4140e68c4adf950e77877c1eb71f90a9031aa2a3dff2ba1a86133ae0

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        2.4MB

        MD5

        9056116e76422c73266bbb874b76fb22

        SHA1

        224f0788f1900b92a97d00fba7db9ffb1ad0952f

        SHA256

        56b59bebfedf9415aa1de40f8881a44238e587685c9d0eea7d23d0ad7cd41952

        SHA512

        beefdbee09c77983befb3ea64788b258831f7569009730c773a3e545ef2112a7d46e9f44082286fea4153d439ec138265482a14b88ad9dcfcad5426134d107ff

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        1.2MB

        MD5

        1d419788577056981823165441cc2095

        SHA1

        f5be34d6fe700f6bd7f0a0a828c710b0e6e20a11

        SHA256

        74220df8ef48162a42ea30ae7d12590b337bd2b8ad483573c58b14183471de1e

        SHA512

        59500bedc8cd9ec0c249c3df14e1fa50f7c9003a8c038d35ccb6d06ed5ce1704109d505dad3aba4920bb9cd3bacfe29cae33a68cb378ba724b29667079997931

      • C:\Users\Admin\AppData\Local\Temp\is-SC712.tmp\377fab74dda5a2f55259b7f1e079ad16b910dfd44f374887a3df98e6e2b866d9.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-8BFK4.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-8BFK4.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/672-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/672-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/672-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/720-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/720-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/720-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1508-181-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/1508-179-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-158-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-209-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-162-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-206-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-166-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-167-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-170-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-173-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-176-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-159-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-202-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-180-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/1508-186-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-189-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-190-0x0000000000870000-0x000000000090E000-memory.dmp

        Filesize

        632KB

      • memory/1508-193-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-196-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/1508-199-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/4788-151-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/4788-152-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/4788-155-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB