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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 18:54

General

  • Target

    1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.exe

  • Size

    7.5MB

  • MD5

    1881b4abc6ac78bfbb1aac8d5d546e24

  • SHA1

    0aec91c096a2b311265278f4306db8c0e92850e0

  • SHA256

    1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5

  • SHA512

    a886a4ef13957af3f88c37ac2012e7b7fbf9b44c94d0f3742018e521eb94e4bc47625939bd3f9af60a49d7a0023919d3df77bbc2da814f1a0a22aacd7b93a47d

  • SSDEEP

    196608:Nq/iLRC0OLkYNew6tjCtD2RQVsBp4UAzj:NHC9Lkuew6t2oCO9Azj

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\1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.exe
    "C:\Users\Admin\AppData\Local\Temp\1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\is-DTPEP.tmp\1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DTPEP.tmp\1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.tmp" /SL5="$80090,7577497,68096,C:\Users\Admin\AppData\Local\Temp\1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3676
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1248
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2212
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3144
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1880
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2988

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        805KB

        MD5

        ca1347374c96f4dde5de445aca85f945

        SHA1

        8c1a96449a7ec4f7ccef25ce8f9516876446025c

        SHA256

        69375d8ffe527ad5a5ac889cabc0a57941f0f367be60485ad464e30343716d89

        SHA512

        a880a06acd6bbc13e7b7a8be97a2be765505740b0d1d993f63891035393250463d84afd3bbe481fadd7947f3dde81d584c1e1a2831a648087ffb8539b7d729d5

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

        Filesize

        192KB

        MD5

        359542a855b7a06d7e7e58a1477ad656

        SHA1

        3537e0b6b94764b6e55ee41283be563e5a2700c1

        SHA256

        2a32389651446854dd73e5c64d50ebc58a45ef289b0f7da081b5e827c2b467e4

        SHA512

        a1c2135c122549473ac6891bb79f3c902d58d1572119fa10f3c13a44bb7a11b72a6fd2ef11f9a0dffac88b4955236d48c58ef957ec90b18c8890b2c0970aff2a

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

        Filesize

        1.1MB

        MD5

        d43f38b88065ee73462fd1c819ee0fc6

        SHA1

        6e921b5502c3d1e6a78040cad4390107a3ade4a3

        SHA256

        83ff5fceb3144ed1d24118576a4ca95bdc001038098304bd2128229f4e24422f

        SHA512

        dcf490235f088c7683740cf8fc537799529d1c371cf4b5e7c04c33f6334b116f712b117a169fed08fbc57f7b8c23ac8e14eddeb1af15a405747249e4d5b468a9

      • C:\Users\Admin\AppData\Local\Temp\is-6JUD1.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-6JUD1.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-DTPEP.tmp\1a049cf8b5bb0ec4b43e856027089e7cdeca1abfc32f1a4f79a39c528253aea5.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2212-154-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/2212-150-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/2212-151-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-179-0x0000000000980000-0x0000000000A1E000-memory.dmp

        Filesize

        632KB

      • memory/3144-192-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-157-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-158-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-208-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-205-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-161-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-201-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-165-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-166-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-169-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-172-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-175-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-178-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-180-0x0000000000980000-0x0000000000A1E000-memory.dmp

        Filesize

        632KB

      • memory/3144-198-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-185-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-188-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-191-0x0000000000980000-0x0000000000A1E000-memory.dmp

        Filesize

        632KB

      • memory/3144-195-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3676-6-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3676-162-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3676-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4960-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4960-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB