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Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/11/2023, 17:00

General

  • Target

    c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe

  • Size

    5.3MB

  • MD5

    f356eca7cb095092b9a0999c8cb76227

  • SHA1

    9cf4219cce74e0643738e987d40ce0579465eb10

  • SHA256

    c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812

  • SHA512

    9400df9db7a12685a79ac6abb55121d53bf58eb88ae81dcf8126fd2ab1e641af067512a54076575eb785a3f31161c3dc0ca9a4d3598b636c5288b212d60389f8

  • SSDEEP

    98304:yieKTwNImeAxT4EVkXqqsBE7nMTSaWudx0jgFqa698+ph:3zAImeIeqqs0MTZrWgm98Qh

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\c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe
    "C:\Users\Admin\AppData\Local\Temp\c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\is-MCLSF.tmp\is-4LUT2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MCLSF.tmp\is-4LUT2.tmp" /SL4 $901F4 "C:\Users\Admin\AppData\Local\Temp\c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe" 5292953 157696
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4712
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 1
          4⤵
            PID:196
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4856
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe

      Filesize

      4.5MB

      MD5

      f2770be68adb4681a10dd1a7c0030ad7

      SHA1

      27ec5341ab7c6a645f00acab811543ba9b64f3a2

      SHA256

      4440da7ede7a71610f3c9ec79a4e91ee6c0b39a3440aefde3a6dd60b29311857

      SHA512

      adcb4bdca1f6e97e49009736575e8c819884cf9007dae4a838ceb89d2c6eeec03bdb46759fe7045cdb4cb879292cc8210bd4a8e6409e38a98f64a861b055b0e3

    • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe

      Filesize

      4.5MB

      MD5

      f2770be68adb4681a10dd1a7c0030ad7

      SHA1

      27ec5341ab7c6a645f00acab811543ba9b64f3a2

      SHA256

      4440da7ede7a71610f3c9ec79a4e91ee6c0b39a3440aefde3a6dd60b29311857

      SHA512

      adcb4bdca1f6e97e49009736575e8c819884cf9007dae4a838ceb89d2c6eeec03bdb46759fe7045cdb4cb879292cc8210bd4a8e6409e38a98f64a861b055b0e3

    • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe

      Filesize

      4.5MB

      MD5

      f2770be68adb4681a10dd1a7c0030ad7

      SHA1

      27ec5341ab7c6a645f00acab811543ba9b64f3a2

      SHA256

      4440da7ede7a71610f3c9ec79a4e91ee6c0b39a3440aefde3a6dd60b29311857

      SHA512

      adcb4bdca1f6e97e49009736575e8c819884cf9007dae4a838ceb89d2c6eeec03bdb46759fe7045cdb4cb879292cc8210bd4a8e6409e38a98f64a861b055b0e3

    • C:\Users\Admin\AppData\Local\Temp\is-MCLSF.tmp\is-4LUT2.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-MCLSF.tmp\is-4LUT2.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • \Users\Admin\AppData\Local\Temp\is-U4QMG.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/220-1-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/220-91-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/2068-121-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-139-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-134-0x0000000000BD0000-0x0000000000C7D000-memory.dmp

      Filesize

      692KB

    • memory/2068-133-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-90-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-130-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-142-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-127-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-95-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-96-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-99-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-102-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-105-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-108-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-111-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-113-0x0000000000BD0000-0x0000000000C7D000-memory.dmp

      Filesize

      692KB

    • memory/2068-112-0x0000000000BD0000-0x0000000000C7D000-memory.dmp

      Filesize

      692KB

    • memory/2068-117-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/2068-118-0x0000000000BD0000-0x0000000000C7D000-memory.dmp

      Filesize

      692KB

    • memory/2068-135-0x0000000000BD0000-0x0000000000C7D000-memory.dmp

      Filesize

      692KB

    • memory/2068-124-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/4856-86-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/4856-82-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/4856-84-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/4856-87-0x0000000000400000-0x0000000000888000-memory.dmp

      Filesize

      4.5MB

    • memory/4964-94-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/4964-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/4964-92-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB