Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 14:40

General

  • Target

    ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.exe

  • Size

    6.9MB

  • MD5

    e8b61958f488c20cbffa48b3631cb277

  • SHA1

    170bfc49dff7d7327857343d3c16209ce453a5f9

  • SHA256

    ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b

  • SHA512

    72ddfb96f5ccd403324ab48d4797dc11deceb4733dcf8e476f3780f1be78fcc35f795037030595eba8c700c8953180235d846c53dfd94d1de39784d7eaad0065

  • SSDEEP

    196608:9eusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:4Vsg95KnxLrGufn765k+zj

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\ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.exe
    "C:\Users\Admin\AppData\Local\Temp\ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3812
    • C:\Users\Admin\AppData\Local\Temp\is-LJ8FS.tmp\ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LJ8FS.tmp\ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.tmp" /SL5="$5006C,6944675,68096,C:\Users\Admin\AppData\Local\Temp\ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4304
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1540
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1684
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4396
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2292
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3708

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.4MB

        MD5

        a871267de8bdb827e746e317bee03359

        SHA1

        078597011e16e464f8f55cb3881682f40ad9d673

        SHA256

        6d34486b0355cb44f45bd20e0508ff159db66db22b70f01cb39a9d64d4e2b360

        SHA512

        d6aea31c530eb6ba92aba1d3a3231be3318c08ec8f90d4972befd38f28f0307f4637522cec7af3fa246fe7a325be1ab7c917a370fc4c841806dff8660b56ca49

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.2MB

        MD5

        9598cb92954d6120306b343434e5b649

        SHA1

        4db7f22afdad3ba6f9592c276b9e6f926d6e6e5d

        SHA256

        0b3723710e3d27c4b2f770f3255ab6c2de141dbcdcca0ae787c30f69b6336386

        SHA512

        4fefabb9d351e300181b92150e04cbd3f611e1bdb328fc5edf3ea544a58075eba5db35a47ca68521c7d513dce72550913348ddb5d1ae2eedbb4871c4c6ee2e66

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        717KB

        MD5

        e9b7e305b14b113bc33782447656e276

        SHA1

        75f3c5ce4561d51d0616f6c5c1b4f3398688d85b

        SHA256

        62ab1336d7e39d0d2046a0ac0767b2bb42ef723b1bcb43250461629914d90099

        SHA512

        21d1820ed9ad20a0b74d1a3072a3310cbc7fb3510386004c4b89302e53ab8b9cadef621d2e882c29d652df7478d989e3a6de954faff40d28afffd8dd49c60c43

      • C:\Users\Admin\AppData\Local\Temp\is-IC8V3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-IC8V3.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-LJ8FS.tmp\ee411cc16fc0e6b286f09e48c02b238ebdd67f6c34b9751ae13fe5ec62eb787b.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1684-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1684-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1684-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3812-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3812-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3812-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4304-10-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/4304-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4304-163-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/4396-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-180-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/4396-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-189-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/4396-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-201-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-204-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4396-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB