Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2023, 19:33

General

  • Target

    ca9e78a67e1ae9ab4308a47aebe9cde3d964c8ea51f7f5a097372c5b71e8e8c0.exe

  • Size

    5.6MB

  • MD5

    42852b88d2fda897210efef117ebbee6

  • SHA1

    5cc9f0ae306e40a2244375b70f6a32e738d3e17a

  • SHA256

    ca9e78a67e1ae9ab4308a47aebe9cde3d964c8ea51f7f5a097372c5b71e8e8c0

  • SHA512

    78484bdbb7718f77466994a124fb3281cb1401b0f01f4dab0b0ea9633350e703c326a294df51a498c4353f42c09e3e65532d5e1016192ba0d809c1c2416dfd8b

  • SSDEEP

    98304:XiRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:yRm1syxacY48eda2TMpQdZ9nc+fyhNjG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • 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\ca9e78a67e1ae9ab4308a47aebe9cde3d964c8ea51f7f5a097372c5b71e8e8c0.exe
    "C:\Users\Admin\AppData\Local\Temp\ca9e78a67e1ae9ab4308a47aebe9cde3d964c8ea51f7f5a097372c5b71e8e8c0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Users\Admin\AppData\Local\Temp\is-LAUHK.tmp\is-AE9DG.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LAUHK.tmp\is-AE9DG.tmp" /SL4 $140030 "C:\Users\Admin\AppData\Local\Temp\ca9e78a67e1ae9ab4308a47aebe9cde3d964c8ea51f7f5a097372c5b71e8e8c0.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3336
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2512
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:3240
        • 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:3164
        • 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:4236

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            4.4MB

            MD5

            81bf17b6bc712eec07e481349afc3dbc

            SHA1

            eedecca191d3a6b1f16483714343fe1019d7fc62

            SHA256

            81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

            SHA512

            3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

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

            Filesize

            4.4MB

            MD5

            81bf17b6bc712eec07e481349afc3dbc

            SHA1

            eedecca191d3a6b1f16483714343fe1019d7fc62

            SHA256

            81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

            SHA512

            3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

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

            Filesize

            4.4MB

            MD5

            81bf17b6bc712eec07e481349afc3dbc

            SHA1

            eedecca191d3a6b1f16483714343fe1019d7fc62

            SHA256

            81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

            SHA512

            3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

          • C:\Users\Admin\AppData\Local\Temp\is-BDFF7.tmp\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • C:\Users\Admin\AppData\Local\Temp\is-LAUHK.tmp\is-AE9DG.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • C:\Users\Admin\AppData\Local\Temp\is-LAUHK.tmp\is-AE9DG.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • memory/3164-87-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3164-93-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3164-92-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3164-90-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3336-78-0x0000000002210000-0x0000000002211000-memory.dmp

            Filesize

            4KB

          • memory/3336-7-0x0000000002210000-0x0000000002211000-memory.dmp

            Filesize

            4KB

          • memory/3336-83-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/3336-17-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/3336-96-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/4236-109-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-112-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-97-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-99-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-103-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-106-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-134-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-131-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-115-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-117-0x0000000000990000-0x0000000000A34000-memory.dmp

            Filesize

            656KB

          • memory/4236-121-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-122-0x0000000000990000-0x0000000000A34000-memory.dmp

            Filesize

            656KB

          • memory/4236-124-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4236-127-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4348-16-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4348-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB