Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 11:18

General

  • Target

    ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.exe

  • Size

    6.9MB

  • MD5

    d53e4151d8b1ca9bfb6e73427778b43d

  • SHA1

    386b66995eee23f156e097660938330164a9b51a

  • SHA256

    ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40

  • SHA512

    8d18046f1582a1ffcb4f7480cfa61f5c690ffe759474b21a18cefb490b5e13d8076a572978b926fa8974d7b78964907057af53c56973b0c831af9540a0ed3f4f

  • SSDEEP

    98304:ozyQ4kc+v4jvDhsQepuwmrkz216aPE8d9X+X1M2CX27eGqc6hxTGZtsAzFjTidLb:xQ4PTP94zHQ9OX1M2CGjn6hDc6LKEzj

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\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.exe
    "C:\Users\Admin\AppData\Local\Temp\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Users\Admin\AppData\Local\Temp\is-GL4RG.tmp\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GL4RG.tmp\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.tmp" /SL5="$601F6,6985458,68096,C:\Users\Admin\AppData\Local\Temp\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4764
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4184
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2060
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:748
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4992

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.2MB

        MD5

        9a063089e1816f35500cbaa1676523f9

        SHA1

        ed9304ad5321488698bb7355ec9d3a0c8ed38b33

        SHA256

        3fb96d9722a99ec1b40074bb7b85e79b198cf270acbe215171c620893ec2c7e4

        SHA512

        bfd8efd2512da5f130dad3fbda51f2749fffcd4d4edd50d24d6462cd37823af20b5736e7c90333427767f2a0f97ab833acdc05d17a298c673c5d8a0c9f7ea9ca

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1012KB

        MD5

        20b8368f62700bbe26e1a12a3f7d34d0

        SHA1

        d1b3387e3a78cef172e0ebc6a5935856b54af8bb

        SHA256

        864b30e710089a92769b989ee88cec218571df824d1828ff2fdbcfa710e25d64

        SHA512

        d650624c2080111a2d5c600f73651ed64f13479a3c4322802131b62c1e1a0cc850e57f02e931fa59d8c4b9a17bb96621bc97e04064099e0018be21ce539815df

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.2MB

        MD5

        7b5319b100f96df563c5e112c89d9d5f

        SHA1

        41eba5bc4d1a772df77aca004d548010c4acffd5

        SHA256

        0aa49ed4494b48e02989453242d976fab9751d351858c6bfb3e0564efcdfa540

        SHA512

        dc9783ad403bdacf41af03e572f1a32f77c108727aad9051066cba5bcd2372f740e39f225f3494fec15d5236275568d706f069ebbe57ed75ec7dcf07846ec054

      • C:\Users\Admin\AppData\Local\Temp\is-GL4RG.tmp\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-GL4RG.tmp\ed99266a34032313ba71f1dd45613990bd1aa1adcfb5259a65857ba689c30e40.tmp

        Filesize

        313KB

        MD5

        6c7c50a93bd0b7cfc9173110e72a9f8f

        SHA1

        f8b78a4fd1d22d56633a35d03ad0baa135a0e472

        SHA256

        383ede1c727d27392025d8f7961475e0723da7d531bb66c99e25045f8ce725f6

        SHA512

        93a4b03735b5a231cf5be700a124ffe041007b3f336e573ccb9b59d333f4e00f00903632f4b96d518323f84b874a9f4aea243f3e1cb8a3595847388793f9a08f

      • \Users\Admin\AppData\Local\Temp\is-E1GQS.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-E1GQS.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2060-179-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/2060-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-190-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/2060-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2060-183-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/2060-182-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2892-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2892-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2892-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3584-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3584-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3584-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4184-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4184-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4184-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4184-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB