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Analysis

  • max time kernel
    152s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 04:01

General

  • Target

    85a7164cce8ff898de475374c2c34ad06ae130550c615b0f364315879dca4d36.exe

  • Size

    5.7MB

  • MD5

    46dc659df18024c5b34a54464e5ca08b

  • SHA1

    ffea6c575b4a6fa35c6e64a80449dbb2d018ccc9

  • SHA256

    85a7164cce8ff898de475374c2c34ad06ae130550c615b0f364315879dca4d36

  • SHA512

    ad3884ff034c5fcc8230c7f6aeb35c9a004a4e81cf2f232e7209c1f219fe74ad1952b93a4cc1b97857351fab40ba3420fa03e29de77029f22455c6bae40d5374

  • SSDEEP

    98304:IitU3e9bLl9HJ2raNZHyUMupQyqMkFRwqzW7Z3Dwdg7KehlwyamQpuq61L2jDgsd:RtKGzHJ2rGyBsUfwqqV3sgBhyzmQp9Es

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 34 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85a7164cce8ff898de475374c2c34ad06ae130550c615b0f364315879dca4d36.exe
    "C:\Users\Admin\AppData\Local\Temp\85a7164cce8ff898de475374c2c34ad06ae130550c615b0f364315879dca4d36.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Users\Admin\AppData\Local\Temp\is-E5BOF.tmp\is-78AFH.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E5BOF.tmp\is-78AFH.tmp" /SL4 $F0044 "C:\Users\Admin\AppData\Local\Temp\85a7164cce8ff898de475374c2c34ad06ae130550c615b0f364315879dca4d36.exe" 5662231 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:4656
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -i
          3⤵
          • Executes dropped EXE
          PID:972
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

      Filesize

      4.5MB

      MD5

      1fa8402cbb0152b434a7809bdc38179f

      SHA1

      42c229b58ad7213df06a8578c02cc7d5c2cec856

      SHA256

      3297f3421175a5704e4c81e3b3f26ca4fc2cf9c411fe43a45a7140db67b4d785

      SHA512

      864c708c79e2d216e32dd443ebc34c18a7c5d330ecf3c266a68ce7e1cdf983e521debb1175d2d0a2dced7a9acd44d9d8122a1467f332673e54c5784c2d726dcb

    • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

      Filesize

      4.5MB

      MD5

      1fa8402cbb0152b434a7809bdc38179f

      SHA1

      42c229b58ad7213df06a8578c02cc7d5c2cec856

      SHA256

      3297f3421175a5704e4c81e3b3f26ca4fc2cf9c411fe43a45a7140db67b4d785

      SHA512

      864c708c79e2d216e32dd443ebc34c18a7c5d330ecf3c266a68ce7e1cdf983e521debb1175d2d0a2dced7a9acd44d9d8122a1467f332673e54c5784c2d726dcb

    • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

      Filesize

      4.5MB

      MD5

      1fa8402cbb0152b434a7809bdc38179f

      SHA1

      42c229b58ad7213df06a8578c02cc7d5c2cec856

      SHA256

      3297f3421175a5704e4c81e3b3f26ca4fc2cf9c411fe43a45a7140db67b4d785

      SHA512

      864c708c79e2d216e32dd443ebc34c18a7c5d330ecf3c266a68ce7e1cdf983e521debb1175d2d0a2dced7a9acd44d9d8122a1467f332673e54c5784c2d726dcb

    • C:\Users\Admin\AppData\Local\Temp\is-E5BOF.tmp\is-78AFH.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-E5BOF.tmp\is-78AFH.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-JJU22.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/972-87-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/972-82-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/972-84-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/972-86-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-113-0x0000000000B60000-0x0000000000C0D000-memory.dmp

      Filesize

      692KB

    • memory/1528-112-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-90-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-91-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-141-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-138-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-134-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-96-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-97-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-100-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-103-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-106-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-109-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-131-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-128-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-114-0x0000000000B60000-0x0000000000C0D000-memory.dmp

      Filesize

      692KB

    • memory/1528-118-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-119-0x0000000000B60000-0x0000000000C0D000-memory.dmp

      Filesize

      692KB

    • memory/1528-122-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/1528-125-0x0000000000400000-0x0000000000879000-memory.dmp

      Filesize

      4.5MB

    • memory/2420-7-0x0000000002210000-0x0000000002211000-memory.dmp

      Filesize

      4KB

    • memory/2420-95-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/2420-94-0x0000000002210000-0x0000000002211000-memory.dmp

      Filesize

      4KB

    • memory/4576-1-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4576-92-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB