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Analysis

  • max time kernel
    158s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2023, 08:54

General

  • Target

    eb5b6a3f65e1aaaadbcdc55b3b1647e448867f59a7b573ed40d18b0c0ccf5869.exe

  • Size

    5.6MB

  • MD5

    74814149ce35f7b50ad508b4501c3860

  • SHA1

    c24289c6e885d0720d6aef67b5a8351414ad1518

  • SHA256

    eb5b6a3f65e1aaaadbcdc55b3b1647e448867f59a7b573ed40d18b0c0ccf5869

  • SHA512

    d7cbdf3f41af28460fc96efb9b2fbfdd45f41c87eb2d65412c963d518d3af79da56ce7aac5aca2e19e74750e7a1e5640054317f4f0dfa48cffcb9dfd43d5afd6

  • SSDEEP

    98304:liRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:8Rm1syxacY48eda2TMpQdZ9nc+fyhNjG

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\eb5b6a3f65e1aaaadbcdc55b3b1647e448867f59a7b573ed40d18b0c0ccf5869.exe
    "C:\Users\Admin\AppData\Local\Temp\eb5b6a3f65e1aaaadbcdc55b3b1647e448867f59a7b573ed40d18b0c0ccf5869.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Users\Admin\AppData\Local\Temp\is-V70IR.tmp\is-9LSHC.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V70IR.tmp\is-9LSHC.tmp" /SL4 $C011C "C:\Users\Admin\AppData\Local\Temp\eb5b6a3f65e1aaaadbcdc55b3b1647e448867f59a7b573ed40d18b0c0ccf5869.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3408
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:1984
        • 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:3444
        • 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:5116

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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-QIAHS.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-V70IR.tmp\is-9LSHC.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-V70IR.tmp\is-9LSHC.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • memory/412-1-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/412-90-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3444-87-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3444-84-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3444-82-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/4508-94-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/4508-7-0x0000000002350000-0x0000000002351000-memory.dmp

      Filesize

      4KB

    • memory/4508-93-0x0000000002350000-0x0000000002351000-memory.dmp

      Filesize

      4KB

    • memory/5116-96-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-116-0x0000000000A10000-0x0000000000AB4000-memory.dmp

      Filesize

      656KB

    • memory/5116-91-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-97-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-100-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-103-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-106-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-109-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-112-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-95-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-115-0x0000000000A10000-0x0000000000AB4000-memory.dmp

      Filesize

      656KB

    • memory/5116-118-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-121-0x0000000000A10000-0x0000000000AB4000-memory.dmp

      Filesize

      656KB

    • memory/5116-122-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-125-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-128-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-131-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-134-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-137-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5116-141-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB