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Analysis

  • max time kernel
    141s
  • max time network
    146s
  • 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, 10:07

General

  • Target

    de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.exe

  • Size

    6.9MB

  • MD5

    70fb162468ccdf23ac14da1c78957904

  • SHA1

    84e6497e3c5518583d2175540b0001bd07c7cff2

  • SHA256

    de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32

  • SHA512

    f911516b474a2badcf1899638586f3e79b5341a9428df9f8e713df1f704e0a832c87684f6306a149ea6bb54aa0c6b7a4f093e621f1fa7f87d45fd7f981028c74

  • SSDEEP

    196608:syD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:74Uvfc2RGatZcXF5uzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.exe
    "C:\Users\Admin\AppData\Local\Temp\de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Users\Admin\AppData\Local\Temp\is-LTH7A.tmp\de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LTH7A.tmp\de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.tmp" /SL5="$6022C,6986290,68096,C:\Users\Admin\AppData\Local\Temp\de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4476
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1760
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2864
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2876
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        ee8b22146a6e1f7cbba2c11bbca9b52b

        SHA1

        f67a54573451b7bf873192100a1ef3e1c980f7a2

        SHA256

        5a3ad1b1662ad7858be1fef617d98b04f0eb23b10fc806a89ca3de8ce36ccd77

        SHA512

        16254c4914b639a7bde084fd1970c62e2a637b72a9cb86ab43f13da5c473e44612596b003389314eadc136034f726900b895b3180b1d8bfe4752d2e7fbcbeefa

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

        Filesize

        1.7MB

        MD5

        637a99bcdfdc03514c3e0972f381f81b

        SHA1

        09ed8291e2a7b89dc7b0a480b6ccfaeef9c0172c

        SHA256

        6ba9dc7ef38229bf2284a44b6148630e1be9fa0ccc637d6d2b30470802efab7b

        SHA512

        5625228c3d75148ce71ad2bf8b95fef8eb99d781ee605866f1a95310faed54098c79e41462f18217767c5828ad17ae8deff1bf68c537823a900c22e5c183ea00

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

        Filesize

        1.4MB

        MD5

        f97a56c047013d105e18758c22fce6f5

        SHA1

        839f40279bfd44841d88f34cfe325f9db62b7166

        SHA256

        d9cf78308cd267e9343142f503336dc57d4ab512c8372aa2a2bab5ac8160378d

        SHA512

        ef658754792e5da18a6685aebe4308e5482877ad4cc7d09ecf0b229ed84148dfe5d1be5a61392b0644eb7e04fa82bcff0e5fd6e19149979d246cd4824d56821c

      • C:\Users\Admin\AppData\Local\Temp\is-LTH7A.tmp\de30c97d982924c33208a7b56e9f28fd9a9e7680aba410ed6244bd4a5054ff32.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-KA1EU.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-KA1EU.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1760-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1760-150-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1760-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1760-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-181-0x00000000026D0000-0x000000000276E000-memory.dmp

        Filesize

        632KB

      • memory/2864-187-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-160-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-200-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-164-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-168-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-171-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-176-0x00000000026D0000-0x000000000276E000-memory.dmp

        Filesize

        632KB

      • memory/2864-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-197-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-184-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-194-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2864-188-0x00000000026D0000-0x000000000276E000-memory.dmp

        Filesize

        632KB

      • memory/2864-191-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3392-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3392-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4624-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4624-158-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB