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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    16/11/2023, 22:59

General

  • Target

    f9009ccc645a2365c240e3efde02b8202807d5d38b1f3bc8d2333e799cae52ec.exe

  • Size

    5.6MB

  • MD5

    a71a1b0f78441f963ca46ff336f0e966

  • SHA1

    d0c29aef0b9757d5246c63fbec53c2fd81ae0834

  • SHA256

    f9009ccc645a2365c240e3efde02b8202807d5d38b1f3bc8d2333e799cae52ec

  • SHA512

    c7fcb3b1ef1cfb14020faffda15c1a92d3f6034b729242b973d934e0fe5cee6b66826bfb3c1a5a8f282918d181c9675eaef1bf481c2cf0720e98863b3e98d760

  • SSDEEP

    98304:TiRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:GRm1syxacY48eda2TMpQdZ9nc+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\f9009ccc645a2365c240e3efde02b8202807d5d38b1f3bc8d2333e799cae52ec.exe
    "C:\Users\Admin\AppData\Local\Temp\f9009ccc645a2365c240e3efde02b8202807d5d38b1f3bc8d2333e799cae52ec.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3132
    • C:\Users\Admin\AppData\Local\Temp\is-DBK8A.tmp\is-LTQTU.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DBK8A.tmp\is-LTQTU.tmp" /SL4 $600D8 "C:\Users\Admin\AppData\Local\Temp\f9009ccc645a2365c240e3efde02b8202807d5d38b1f3bc8d2333e799cae52ec.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:760
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:4792
        • 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:3512
        • 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:5000

    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-DBK8A.tmp\is-LTQTU.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-DBK8A.tmp\is-LTQTU.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • \Users\Admin\AppData\Local\Temp\is-7H0MT.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/3132-89-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3132-0-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3512-85-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3512-82-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3512-83-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/4840-92-0x0000000000620000-0x0000000000621000-memory.dmp

      Filesize

      4KB

    • memory/4840-6-0x0000000000620000-0x0000000000621000-memory.dmp

      Filesize

      4KB

    • memory/4840-90-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/5000-95-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-113-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-88-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-96-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-99-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-102-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-105-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-108-0x0000000000BF0000-0x0000000000C94000-memory.dmp

      Filesize

      656KB

    • memory/5000-109-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-91-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-116-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-117-0x0000000000BF0000-0x0000000000C94000-memory.dmp

      Filesize

      656KB

    • memory/5000-120-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-123-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-126-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-129-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-130-0x0000000000BF0000-0x0000000000C94000-memory.dmp

      Filesize

      656KB

    • memory/5000-131-0x0000000000BF0000-0x0000000000C94000-memory.dmp

      Filesize

      656KB

    • memory/5000-135-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/5000-138-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB