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Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/11/2023, 13:42

General

  • Target

    22ca82dd5a8193fcea1c2999746f80604495ad633f73d008f2063904de8dbd65.exe

  • Size

    5.5MB

  • MD5

    95fca8d555f5f5c3f29c24ac41d01c3a

  • SHA1

    f6dee81641fef5f0b838d4bdbab83825a2d06486

  • SHA256

    22ca82dd5a8193fcea1c2999746f80604495ad633f73d008f2063904de8dbd65

  • SHA512

    63b02161e5e9b6a7d86a9edb4de9ccfe1e219cc118dd9643d93d7b2e9a0193b6867b9bf37798957ef9fbade973216d999be5f6a64d34e883f948ba7e5b9a416b

  • SSDEEP

    98304:BiChuIKTeLT0nEKEdZ6iCrYT2vmfWoQ//20Ihfq2lHuiyllEfbrpH:AG5lVv6iCfvn//BIhfxuixxH

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\22ca82dd5a8193fcea1c2999746f80604495ad633f73d008f2063904de8dbd65.exe
    "C:\Users\Admin\AppData\Local\Temp\22ca82dd5a8193fcea1c2999746f80604495ad633f73d008f2063904de8dbd65.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\is-7MAM3.tmp\is-O9RIB.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7MAM3.tmp\is-O9RIB.tmp" /SL4 $50226 "C:\Users\Admin\AppData\Local\Temp\22ca82dd5a8193fcea1c2999746f80604495ad633f73d008f2063904de8dbd65.exe" 5417274 154112
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4536
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 1
          4⤵
            PID:2288
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4928
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster.exe" -s
          3⤵
          • Executes dropped EXE
          PID:232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      4.7MB

      MD5

      7b2d3bbcaaf99cf580a5675413cb9b47

      SHA1

      f2e0571e241d86ee5ede67784fad451a2118374a

      SHA256

      aadfab9cff90bd174ed36b96dae32c40084de256c3d5fc476a929b9abbabe904

      SHA512

      f2a139179b4c14974048907474bb32c83367799c3419bcf82719f4f725a49fa0dac08b64834f10557bd8a6efb550a7942fbd1802c2a6129b463683615b87288f

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

      Filesize

      4.7MB

      MD5

      7b2d3bbcaaf99cf580a5675413cb9b47

      SHA1

      f2e0571e241d86ee5ede67784fad451a2118374a

      SHA256

      aadfab9cff90bd174ed36b96dae32c40084de256c3d5fc476a929b9abbabe904

      SHA512

      f2a139179b4c14974048907474bb32c83367799c3419bcf82719f4f725a49fa0dac08b64834f10557bd8a6efb550a7942fbd1802c2a6129b463683615b87288f

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

      Filesize

      4.7MB

      MD5

      7b2d3bbcaaf99cf580a5675413cb9b47

      SHA1

      f2e0571e241d86ee5ede67784fad451a2118374a

      SHA256

      aadfab9cff90bd174ed36b96dae32c40084de256c3d5fc476a929b9abbabe904

      SHA512

      f2a139179b4c14974048907474bb32c83367799c3419bcf82719f4f725a49fa0dac08b64834f10557bd8a6efb550a7942fbd1802c2a6129b463683615b87288f

    • C:\Users\Admin\AppData\Local\Temp\is-7MAM3.tmp\is-O9RIB.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-7MAM3.tmp\is-O9RIB.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • \Users\Admin\AppData\Local\Temp\is-1VVCN.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/232-116-0x0000000000B90000-0x0000000000C39000-memory.dmp

      Filesize

      676KB

    • memory/232-119-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-138-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-135-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-131-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-89-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-128-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-125-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-122-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-94-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-97-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-100-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-103-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-106-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-109-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/232-111-0x0000000000B90000-0x0000000000C39000-memory.dmp

      Filesize

      676KB

    • memory/232-110-0x0000000000B90000-0x0000000000C39000-memory.dmp

      Filesize

      676KB

    • memory/232-115-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/2920-1-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/2920-90-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/4912-93-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/4912-91-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/4912-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/4928-83-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/4928-86-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB

    • memory/4928-84-0x0000000000400000-0x00000000008B4000-memory.dmp

      Filesize

      4.7MB